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FLUIDCOUPLING

MAIL:SALES@FLUIDCOUPLING.CC

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CHINA WHOLESALER HIGH TOLERANCE AND HIGH PRECISION CNC MACHINING HYDRODYNAMIC
FLUID COUPLING

PRODUCT DESCRIPTION

HIGH TOLERANCE AND HIGH PRECISION CNC MACHINING HYDRODYNAMIC FLUID COUPLING

———————————————————-
19 years industry experience
11 years in Euro-market, been serving Top 10 companies in the Railway and gym
equipments industry.
———————————————————————————————————————————————————————————–

MUYANG MACHINERY IS A MANUFACTURER WITH THE CAPABILITY
OF COMPREHENSIVE SERVICES OF CASTING, FORGING AND MACHINING, COMMITTED TO THE
PRODUCTION OF CUSTOMIZED PARTS. SINCE ESTABLISHED IN 2002 (FORMER MIAOSEN
MACHINERY CO., LTD), WE’VE BEEN SUPPLYING TO THE GLOBAL MARKET FOR OVER 15
YEARS, SERVED INDUSTRIES INCLUDE AUTOMOTIVE, RAILWAY, GAS AND OIL, MEDICAL
MACHINERY, CONSTRUCTION MACHINERY, GYM EQUIPMENT, ETC.

Capability

CNC machining center –

MAX size: 600*1200*500mm

General tolerance: ±0.005mm

Machine qty: 6 sets

CNC Milling –

MAX size: 1200*500mm

General tolerance: ±0.02mm

Machine qty: 12 sets

CNC turning –

MAX size: φ0.5-φ800*1000mm

General tolerance: ±0.005mm

Machine qty: 35 sets

Service:

CNC turning, CNC milling, CNC grinding, CNC lathe machining, CNC boring, CNC
drilling, CNC tapping, surface treatment etc.

Material available

Stainless steel: SS201, SSS301, SS303, SS304, SS316, SS416, SS440C etc.

Steel: Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#

Brass/Bronze: HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90, C360, C260, C932

Copper: C11000, C12000, C36000

Aluminum: AL2017, AL2571, AL5052, AL5083, AL6061, AL6063, AL6082, AL7075

Iron: A36, 45#, 1213, 1214, 1215

Others per customers’ requirements

Surface finish

Aluminum alloy: Clear anodized, color anodized, sand blast anodized, hard
anodized, brushing, polishing, powder coated and painting

Brass/copper/steel: Nickel plating, chrome plating

Steel/Stainless steel: Zinc plating, oxide black, carburized, heat treatment,
nitriding

Measuring tools

Micrometer, calipers, thread tools, high guage, trapezoidal thread plug gauge,
sclerometer, dial indicator, projector

Related Services

Packaging & Shipping

We promise our clients careful, safe and tight package for exporting!

Standard packing: pearl cotton/bubble bag + carton box + pallet/wooden box

Special packing: custom packaging + wooden box

FAQ

1. Are you a manufacturer or trading company?
We’re a manufacturer with self-export rights.

2. What’s your main business?
Our main business is custom metal parts processed by CNC machining, casting,
forging etc., serving industries include railway, automobile, construction
machinery, gym equipment, water gas and oil.

3. Directly get to CONTACT or send your product drawing/inquiries to email, we
will reply within 0.5 hour.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var
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KEY PARAMETERS IN DESIGNING A FLUID COUPLING SYSTEM

Designing a fluid coupling system requires careful consideration of various
parameters to ensure optimal performance and efficiency. Here are the key
parameters to take into account:

* Power Rating: Determine the power requirements of the connected equipment to
select a fluid coupling with an appropriate power rating. Undersized
couplings may lead to overheating and premature wear, while oversized
couplings can result in energy losses.
* Input and Output Speeds: Consider the rotational speeds of the input and
output shafts to ensure the fluid coupling can accommodate the desired speed
range without slipping or exceeding its limitations.
* Torque Capacity: Calculate the maximum torque expected in the system and
choose a fluid coupling with a torque capacity that exceeds this value to
handle occasional overloads and prevent damage.
* Fluid Viscosity: The viscosity of the fluid inside the coupling affects its
torque transmission capabilities. Select a fluid viscosity suitable for the
application and operating conditions.
* Start-Up and Load Conditions: Analyze the start-up torque and load variations
during operation. The fluid coupling should be capable of handling these
conditions without excessive slip or stress on the drivetrain.
* Environmental Factors: Consider the ambient temperature, humidity, and
potential exposure to contaminants. Ensure the fluid coupling’s materials and
sealing mechanisms can withstand the environmental conditions.
* Size and Weight: Optimize the size and weight of the fluid coupling to
minimize space requirements and facilitate installation and maintenance.
* Torsional Resonance: Evaluate torsional resonances in the system and select a
fluid coupling with appropriate damping characteristics to mitigate
vibrations.
* Overload Protection: Determine if overload protection features, such as slip
or torque limiting, are necessary to safeguard the connected equipment from
damage.
* Compatibility: Ensure the fluid coupling is compatible with the specific
application, including the type of driven equipment, its mechanical
characteristics, and any other interrelated components in the drivetrain.
* Operational Costs: Consider the long-term operational costs, maintenance
requirements, and efficiency of the fluid coupling to optimize the overall
lifecycle cost of the system.
* Safety Standards: Adhere to relevant safety standards and regulations in the
design and installation of the fluid coupling system to ensure safe and
reliable operation.

By carefully evaluating these parameters and selecting a fluid coupling that
aligns with the specific requirements of the application, engineers can design a
reliable and efficient fluid coupling system for various industrial and power
transmission applications.

TEMPERATURE LIMITATIONS OF FLUID COUPLINGS

Fluid couplings, like any mechanical component, have temperature limitations
that must be considered to ensure their proper and safe operation. The
temperature limitations of fluid couplings are influenced by the type of fluid
used inside the coupling, the ambient operating conditions, and the specific
design and construction of the coupling.

The primary concern regarding temperature is the heat generated during the
operation of the fluid coupling. The heat is a result of friction and fluid
shear within the coupling as it transmits power between the input and output
shafts. Excessive heat generation can lead to the degradation of the fluid,
affecting the performance and longevity of the coupling.

As a general guideline, most fluid couplings are designed to operate within a
temperature range of -30°C to 80°C (-22°F to 176°F). However, the actual
temperature limitations may vary depending on the manufacturer and the
application requirements. For specific industrial applications where
high-temperature environments are common, fluid couplings with higher
temperature tolerances may be available.

It is crucial to consider the operating environment and the power demands of the
machinery when selecting a fluid coupling. In applications with extreme
temperatures, additional cooling mechanisms such as external cooling fins or
cooling water circulation may be employed to maintain the fluid coupling within
its safe operating temperature range.

Exceeding the recommended temperature limits can lead to premature wear, reduced
efficiency, and even mechanical failure of the fluid coupling. Regular
monitoring of the operating temperature and following the manufacturer’s
guidelines for maintenance and fluid replacement can help ensure the longevity
and reliability of the fluid coupling.

Always consult with the manufacturer or a qualified engineer to determine the
specific temperature limitations and suitability of the fluid coupling for your
particular application.

TYPES OF FLUID USED IN FLUID COUPLINGS

Various types of fluids can be used in fluid couplings depending on the specific
application and requirements. Some common types of fluids used in fluid
couplings include:

* Oil: Mineral oil is one of the most commonly used fluids in fluid couplings.
It offers good lubrication properties and thermal stability, making it
suitable for a wide range of operating conditions. Oil-based fluids are
generally cost-effective and readily available.
* Water-Glycol: Water-glycol mixtures are often used in fluid couplings that
require fire-resistant properties. These mixtures provide improved cooling
and are less flammable compared to pure oil fluids. They are commonly used in
applications where fire safety is a concern, such as in mining and
underground operations.
* Synthetic Fluids: Synthetic fluids, such as synthetic oils and silicone-based
fluids, offer enhanced performance characteristics over mineral oils. They
can withstand higher temperatures and provide better thermal stability,
making them suitable for more demanding industrial applications.
* Biodegradable Fluids: In environmentally sensitive applications,
biodegradable fluids are used to reduce the environmental impact in case of
accidental leaks or spills. These fluids are designed to break down naturally
and are commonly used in applications like forestry and marine operations.

The choice of fluid depends on factors such as the required power transmission
efficiency, operating temperature, fire safety requirements, and environmental
considerations. It is essential to select the appropriate fluid that matches the
specific needs of the fluid coupling and the machinery or equipment it is used
in.

editor by CX 2024-04-11

This entry was posted in Uncategorized and tagged china coupling, Coupling,
fluid coupling, hydrodynamic coupling, machining cnc on April 11, 2024 by ep.

CHINA HOT SELLING HIGH PRESSURE TEMPERATURE OIL GAS STEAM FLUID TRANSFER DRY
QUICK BREAK COUPLINGS

PRODUCT DESCRIPTION

Product Description

Dry couplings are the smart choice for the transportation of hazardous
fluids.Compared with traditional couplings, it greatly improves the connection
speed: during the unloading process, the built-in valve of the coupling is
closed in advance, avoiding the liquid leakage or volatilization to the
surrounding environment, reducing the chance of the operator coming into contact
with the toxic medium, and safeguarding the safety of the personnel. The female
end of the connection with the pipeline has an integrated swivel function, which
reduces the fatigue damage of the pipeline.

Advantages:
√ Easy handling through high transmission ratio
√ Self-locking when fully connected
√ Integrated swivel joint
√ Lightweight
√ Minimal maintenance
√ Field-oriented function principles
√ Approval in accordance to WHG (DIBT-Approval is incl.)
√ Approval in accordance to ATEX Zone 1

Application:
– For fast and secure fluid transfer like lye and acids, fuels and oils,
seawater, tap water, waste water, gas, superheated steam, compresses air, LPG,
sludge, foodstuffs, pharmaceutical products between pipes, hoses, tanks and
equipment.
– Widely used in power station construction, chemical and pharmaceutical
industry, oil industry, offshore drilling, shipbuidling,
loading/unloading(aircraft, tank trucks, filling stations, ships), tank
cleaning, and food beverage industry.

Product Parameters

Dry Coupling Parameters:

Product name Dry Quick Break Coupling Customized support OEM, ODM Place of
Origin ZheJiang , China Technics Casting Materials Stainless steel / Brass / AL,
More Customized Connection Male and Female Size 3/4″-2″

→ Click to View More Hoses and Other Fittings.

Cooperation

RUNXI’s products are exported to more than 30 countries, such as Iran, Russia,
USA, The UK, DAE, Korea, Vietnam, Iraq, Singapore, Indonesia, Azerbaijan and
Japan,and some African countries, etc. We have obtained high praise from clients
domestic and abroad due to the excellent quality and competitive price.

At RUNXI & JIAYAO Company, emphasis is placed on human resource development as
we believe in the Group’s philosophy “Organization Development through Self
Development”. We have competent professionally qualified and experienced staff
in each of our functions. The Company assists & encourages its employees for
their professional qualifications and also invests in developing staff through
in-house, out-sourced and international training.

Company Profile

JIAYAO CO., LTD.(For manufacturing) & HangZhou RUNXI INTERNATIONAL TRADE CO.,
LTD. (For export) are located in Yuying Street, Guangchuan Town, Jing County,
HangZhou City, ZheJiang Province, China. we are a technology-based enterprise
which is specialized in the area of R&D, marketing of multiply rubber
products, rubber hose production line and telecommunication towers.

Our company specializes in Telecom towers, High pressure hoses, Hydraulic hoses,
SAE & DIN series hoses, Drilling Rotary hose, Choke & Kill Line, Bop hoses,
Suction and Discharge hose, Fabric hoses, Metal Flexible hose, Fireproof hose,
Silicone hose, Hose Assembly, and Hose Production Line, etc.

Packaging & Shipping

Certifications

FAQ

Q1. What is your terms of packing?

A: Generally, we pack our goods in neutral white wearable woven bags. If you
have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization
letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the
products and packages
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 20 to 60 days after receiving your advance payment.
The specific delivery time depends
on the items and the quantity of your order.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var
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ADVANCEMENTS AND INNOVATIONS IN FLUID COUPLING TECHNOLOGY

Fluid coupling technology has undergone significant advancements and innovations
over the years, leading to improved performance, efficiency, and versatility.
Some notable advancements include:

* Variable Fill Fluid Couplings: These modern fluid couplings feature a
variable fill design that allows for better control of the power
transmission. By adjusting the fill level of the coupling, it becomes
possible to optimize torque transmission and efficiency across a wider range
of operating conditions.
* Electronic Control: The integration of electronic control systems has brought
a new level of intelligence to fluid couplings. Electronic control allows for
precise monitoring and adjustment of the coupling’s operation, enabling
smoother start-ups, better load sharing, and protection against excessive
loads.
* Smart Coupling Technologies: Some fluid coupling manufacturers offer smart
coupling technologies that incorporate sensors and data analytics. These
smart couplings can monitor performance parameters in real-time, detect
anomalies, and provide valuable insights into the overall system health.
* High-Temperature Applications: Advancements in material science have led to
the development of fluid couplings capable of operating at higher
temperatures. This makes them suitable for use in demanding applications,
such as heavy industries and high-temperature environments.
* Efficiency Improvements: Manufacturers have focused on enhancing the overall
efficiency of fluid couplings. By reducing internal losses and improving
fluid circulation, modern fluid couplings offer higher efficiency, which
translates into energy savings and reduced operating costs.
* Integration with Variable Frequency Drives (VFDs): Fluid couplings can now be
integrated with VFDs, combining the benefits of both technologies. The VFD
allows for variable speed control, while the fluid coupling provides soft
start and overload protection, creating a versatile and efficient power
transmission system.

These advancements in fluid coupling technology have made them even more
reliable, adaptable, and suitable for various industrial applications. As
technology continues to evolve, fluid couplings are likely to see further
improvements, making them an integral part of modern power transmission systems.

SAFETY FEATURES IN MODERN FLUID COUPLING DESIGNS

Modern fluid coupling designs incorporate various safety features to ensure the
reliable and secure operation of the equipment. Here are some of the key safety
features commonly found in modern fluid couplings:

1. Overload Protection: One of the primary safety features in modern fluid
couplings is overload protection. In the event of an abrupt increase in load or
torque, the fluid coupling slips, absorbing the excess torque and preventing
damage to the connected equipment. This feature safeguards against mechanical
failures and protects the machinery.

2. Torque Limiting: Fluid couplings are designed with torque limiting
capabilities, which allow them to control the maximum torque transmitted to the
driven equipment. By setting the torque limit within a safe operating range, the
fluid coupling prevents excessive stresses on the system, ensuring longevity and
reliability.

3. Automatic Overheat Protection: Some fluid couplings are equipped with
automatic overheat protection mechanisms. If the fluid coupling’s operating
temperature exceeds a predefined threshold, the protection system disengages the
coupling temporarily until the temperature returns to a safe level. This
prevents damage due to overheating and enhances safety.

4. Backstop or Holdback Device: In certain applications where reverse rotation
is a concern, fluid couplings may include a backstop or holdback device. This
feature prevents the driven equipment from rotating in the opposite direction,
enhancing safety during sudden stops or reversals.

5. Fail-Safe Operation: Many modern fluid couplings are designed to operate in a
fail-safe manner. In the event of any malfunction or failure, the coupling
defaults to a safe mode, allowing the equipment to continue operating at reduced
capacity or gradually shut down, avoiding catastrophic failures.

6. Seal Protection: Proper sealing is crucial for fluid couplings, especially in
harsh environments. Modern designs often include advanced seal protection
features to prevent oil leakage and contamination, ensuring environmental safety
and reducing maintenance requirements.

7. Low Noise and Vibration: Reduced noise and vibration levels in fluid
couplings contribute to operator safety and comfort. The damping properties of
the fluid coupling help minimize vibrations, creating a quieter and more stable
working environment.

8. Emergency Stop Capability: Some fluid couplings may have emergency stop
provisions to quickly disengage the coupling in critical situations. This
feature allows for rapid shutdowns in emergencies, preventing accidents and
protecting personnel.

9. Condition Monitoring: Advanced fluid coupling designs may include condition
monitoring capabilities. This allows operators to monitor the coupling’s
performance, temperature, and other parameters in real-time, facilitating
predictive maintenance and avoiding unexpected failures.

Overall, the incorporation of these safety features in modern fluid coupling
designs ensures the protection of machinery, operators, and the surrounding
environment. These safety measures enhance the reliability, efficiency, and
longevity of equipment, making fluid couplings a safe and valuable choice for
power transmission in various industrial applications.

SAFETY CONSIDERATIONS WHEN WORKING WITH FLUID COUPLINGS

Fluid couplings are essential components in various industrial applications, and
it’s essential to follow safety guidelines when working with them. Here are some
safety considerations:

1. Lockout-Tagout (LOTO): Before performing any maintenance or repair work on
a fluid coupling, ensure that the equipment is properly shut down and that
the energy sources are locked out and tagged out. This prevents accidental
startup and protects personnel from potential hazards.
2. Fluid Containment: When draining or replacing the fluid in a fluid
coupling, use appropriate containers to collect and contain the fluid.
Avoid spills, as some coupling fluids may be hazardous.
3. High Temperatures: Fluid couplings can reach high temperatures during
operation. Allow sufficient cooling time before handling or inspecting the
coupling to avoid burns or injuries.
4. Personal Protective Equipment (PPE): Wear appropriate PPE, such as gloves
and eye protection, when working with fluid couplings to protect against
potential splashes or contact with hot surfaces.
5. Manufacturer Recommendations: Follow the safety guidelines and instructions
provided by the fluid coupling manufacturer for installation, maintenance,
and troubleshooting.
6. Proper Tools: Use the correct tools and equipment for maintenance and
assembly tasks to prevent damage to the fluid coupling and ensure safe
working conditions.
7. Training: Ensure that personnel working with fluid couplings are adequately
trained in their proper use, maintenance, and safety procedures.
8. Inspections: Regularly inspect the fluid coupling for any signs of wear,
leaks, or abnormalities that could pose safety risks. Address any issues
promptly.
9. Hot Work: Avoid performing hot work (e.g., welding, cutting) in the
vicinity of fluid couplings, as the high-temperature fluids and components
may present a fire hazard.
10. Consult Experts: If in doubt or facing complex issues with fluid couplings,
consult qualified experts or the manufacturer for guidance.

Adhering to these safety considerations will help minimize risks and ensure a
safe working environment when dealing with fluid couplings.

editor by CX 2024-04-10

This entry was posted in Uncategorized and tagged china couplings, couplings,
fluid couplings on April 10, 2024 by ep.

CHINA GOOD QUALITY MC042 CONE RING FLEXIBLE SHAFT COUPLING FOR FLUID POWER

PRODUCT DESCRIPTION

Cone Ring flexible coupling,

1. The coupling consists of 2 hubs: One pin hub with the corresponding pins and
a bush hub.

2. The torque is transmitted via the steel pins with their taper elastomer rings
and the corresponding bores

in the bush hub.

3. The couping is maintenance-free an is used in general engineering and the
pump industry.

4. Customized requirement is available.

size Torque/Nm Kw/100 RPM Max Speed RPM 571 50 0.56 6500 030 110 1.2 5470 038
190 2 5260 042 290 3 4750 048 480 5 4050 058 760 8 3600 070 1000 11 3220 075
2600 27 2730 085 3500 37 2480 105 5300 56 2100 120 9000 94 1880 135 12223 128
1660 150 16000 167 1520

ZheJiang Shine Transmission Machinery Co., Ltd is specialized in manufacturing
and selling transmission products.

Our products are exported to the world famous machinery company in Europe,
America, South Africa, Australia, Southeast Asia etc.

Our main products include: European pulley, American pulley, Couplings, taper
bushing, QD bush, lock element, adjustable motor base, motor rail, sprockets,
chain, bolt on hubs, weld on hubs, jaw crusher equipment & spare parts and all
kinds of non-standardcasting products etc.
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CAN YOU EXPLAIN THE CONCEPT OF SLIP IN A FLUID COUPLING?

In a fluid coupling, slip refers to the relative speed difference between the
impeller and the runner. When the impeller, which is connected to the driving
shaft, rotates, it induces the flow of hydraulic fluid inside the coupling. This
fluid flow in turn drives the rotation of the runner, which is connected to the
driven shaft.

However, due to the operating principle of fluid couplings, there is always a
certain amount of slip between the impeller and the runner. This slip occurs
because the fluid coupling needs to allow for a small speed difference in order
to transmit torque smoothly.

During startup or under heavy load conditions, the impeller’s rotational speed
may be slightly higher than the runner’s rotational speed. This speed difference
causes the hydraulic fluid to circulate between the impeller and the runner,
generating hydrodynamic forces that transmit torque from the driving shaft to
the driven shaft.

Slip is an inherent and controlled characteristic of fluid couplings, and it is
essential for their smooth operation. However, excessive slip can lead to energy
losses and reduced efficiency. Therefore, fluid couplings are designed to have
an optimal slip value for specific applications, balancing the need for torque
transmission and energy efficiency.

FLUID COUPLING: DEALING WITH OIL LEAKAGE AND SEALING ISSUES

Fluid couplings are designed to be sealed units to prevent the leakage of the
internal fluid (usually oil or a similar hydraulic fluid). Proper sealing is
crucial for the efficient and reliable operation of the fluid coupling, as any
oil leakage can lead to reduced performance, contamination, and potential damage
to the surrounding components.

Here are some key factors related to oil leakage and sealing issues in fluid
couplings:

* Seal Design: The sealing system in a fluid coupling typically involves shaft
seals and gaskets. High-quality seals are essential to prevent oil from
escaping and contaminants from entering the coupling. The design and material
selection of these seals play a significant role in maintaining effective
sealing.
* Installation: Proper installation of the fluid coupling is critical to ensure
that the seals are correctly positioned and securely fitted. Any misalignment
or damage during installation can lead to oil leakage issues.
* Maintenance: Regular maintenance is essential to detect and address any
potential sealing problems early on. Inspections should be conducted
periodically to check for signs of oil leakage, wear on the seals, and any
damage to the coupling housing.
* Fluid Selection: The choice of fluid used inside the coupling can also
influence its sealing performance. Using the recommended fluid type and
quality specified by the manufacturer is essential for maintaining proper
sealing.
* Operating Conditions: The operating environment can impact the sealing
effectiveness. Extreme temperature variations or harsh working conditions may
affect the integrity of the seals over time.

If oil leakage or sealing issues are observed in a fluid coupling, immediate
action should be taken to address the problem. This may involve replacing
worn-out seals, resealing the coupling, or investigating potential causes such
as misalignment or excessive heat generation.

Additionally, regular inspection and maintenance of the fluid coupling can help
prevent sealing problems before they escalate. Early detection and appropriate
maintenance can extend the lifespan of the fluid coupling and ensure reliable
power transmission in various industrial applications.

Consulting with the manufacturer or a qualified engineer for guidance on proper
maintenance and troubleshooting of fluid coupling sealing issues is recommended.

SELECTING THE RIGHT SIZE OF FLUID COUPLING FOR YOUR APPLICATION

To ensure optimal performance and efficiency, it’s essential to choose the right
size of fluid coupling for a specific application. Here are the key steps in the
selection process:

1. Identify the Application Requirements: Understand the torque and power
requirements of your application. Determine the maximum torque and power
that the fluid coupling needs to transmit to meet the operational demands of
the machinery or equipment.
2. Check the Speed Range: Consider the speed range of your application. Ensure
that the fluid coupling can operate effectively within the desired speed
range, providing adequate torque transfer across the entire speed spectrum.
3. Consider the Fluid Coupling Type: Choose the appropriate type of fluid
coupling based on the specific needs of your application. Hydrodynamic fluid
couplings are suitable for applications requiring smooth and gradual torque
transmission, while constant-fill fluid couplings are more suitable for
applications where some slip is acceptable.
4. Calculate the Service Factor: Determine the service factor, which accounts
for any additional loads or impacts the fluid coupling may experience during
operation. Multiply the maximum torque requirement by the service factor to
obtain the design torque.
5. Refer to Manufacturer Data: Consult the manufacturer’s data sheets and
specifications for various fluid coupling models. Compare the design torque
with the torque capacity of different fluid coupling sizes to find the most
suitable match for your application.
6. Consider Safety Margins: It’s advisable to apply safety margins to ensure
reliable operation. Select a fluid coupling with a torque capacity higher
than the calculated design torque to account for potential variations in
load or operating conditions.
7. Verify Space Constraints: Ensure that the selected fluid coupling fits
within the available space in your machinery or equipment, considering any
installation restrictions or dimensional limitations.

By following these steps and carefully evaluating the requirements of your
specific application, you can select the right size of fluid coupling that will
deliver optimal performance, efficiency, and reliability.

editor by CX 2024-04-10

This entry was posted in Uncategorized and tagged china coupling, Coupling,
coupling shaft, flexible coupling, flexible shaft, flexible shaft coupling,
fluid coupling, shaft, shaft coupling on April 10, 2024 by ep.

CHINA STANDARD PIPE COUPLING FOR FLUID EQUIPMENT

PRODUCT DESCRIPTION

Pipe Coupling for Fluid Equipment

Model number: DK101
Material: Stainless steel 304
Surface treatment: Polished
Management Certification: ISO9001:2015
Origin: ZheJiang China
OEM orders: accept
Samples: for free

Item Material Surface Locking load Weight DK101 Steel zinc-plated DK101
Stainless steel 304 Polished

Product application
Widely used in many fields. Like ships, high-speed rail, automobiles, civil
products, and so on.

Certificate

Packaging & Delivery
Packing: packing can be made according to your request.
Single package size: 32mm*22mm*15mm

Our factory

FAQ:

Q: Are you a factory or trading company?

A: We are a professional manufacturer.
We are warmly welcome clients from worldwide to

visit our factory and cooperate with us.

Q: What’s your advantage? Why we choose you?

A:
Great production capacity Sustainable Supply.According to customer requirements

we support the customized include package. We have the most professional

technology and team.

Q: What are your production standards?

A: European standard stamping

Q: How long does the whole procedure being worked out?

A: The lead time is about 30days and it depends if the material is especial.

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IMPACT OF FLUID COUPLING ON THE OVERALL RELIABILITY OF A POWER TRANSMISSION
SYSTEM

A fluid coupling can significantly contribute to the overall reliability of a
power transmission system in various ways:

* Smooth Power Transmission: Fluid couplings facilitate smooth power
transmission between the driving and driven components, minimizing shocks and
vibrations during startup and operation. This reduces the risk of sudden
failures or damages to connected equipment.
* Overload Protection: Fluid couplings offer inherent overload protection by
allowing controlled slip during sudden load changes or overloads. This
protects the system from excessive stresses and prevents damage to the motor
and driven machinery.
* Reduced Mechanical Wear: The smooth operation of fluid couplings reduces
mechanical wear on connected components, such as gearboxes, belts, and
chains. This results in longer service life and decreased maintenance
requirements.
* Increased Equipment Life: By reducing stress and wear on the entire power
transmission system, fluid couplings can extend the service life of motors,
gearboxes, and other components. This enhances the overall reliability of the
system over an extended period.
* Enhanced System Safety: The ability of fluid couplings to protect against
shock loads and overloads enhances the safety of personnel working with or
near the machinery. It prevents sudden and unpredictable movements, reducing
the risk of accidents and injuries.
* Stable Performance: Fluid couplings maintain a constant speed ratio between
the driving and driven shafts, ensuring stable and predictable performance of
the power transmission system. This predictability aids in maintaining
process stability and efficiency.

Incorporating a properly sized and selected fluid coupling into a power
transmission system can improve its reliability, reduce downtime, and prevent
costly breakdowns. Regular maintenance and monitoring of the fluid coupling also
play a crucial role in ensuring long-term reliability and trouble-free
operation.

FLUID COUPLINGS FOR SOFT-START APPLICATIONS IN CONVEYOR SYSTEMS

Yes, fluid couplings are well-suited for soft-start applications in conveyor
systems. Soft-starting is the gradual acceleration of the conveyor belt to
reduce sudden mechanical stress and current spikes during startup. Fluid
couplings provide a smooth and controlled method of power transmission, making
them ideal for achieving soft-start capabilities in conveyor systems.

When a conveyor system equipped with a fluid coupling starts, the fluid inside
the coupling initially acts as a viscous medium, allowing the input and output
shafts to rotate at different speeds. As the fluid coupling fills with fluid, it
gradually transmits torque and smoothly accelerates the conveyor belt.

One of the significant advantages of using fluid couplings for soft-start
applications is that they provide adjustable startup times. By controlling the
amount of fluid inside the coupling, the startup acceleration rate can be
precisely tuned to match the specific requirements of the conveyor system.

The soft-start feature offered by fluid couplings helps in several ways:

* Mechanical Stress Reduction: The gradual acceleration minimizes mechanical
stress on the conveyor belt, pulleys, and other components, leading to
extended equipment life and reduced maintenance costs.
* Energy Savings: Soft-starting prevents sudden current spikes and reduces the
power demand during startup, resulting in energy savings and improved
efficiency.
* Improved Conveyor Belt Life: By avoiding abrupt starts, the wear and tear on
the conveyor belt are reduced, leading to longer belt life and decreased
downtime.
* Enhanced Conveyor Control: Soft-start capabilities enable better control over
the conveyor system, allowing operators to optimize the material flow and
prevent product spillage or jamming.

Fluid couplings offer reliable and cost-effective soft-start solutions for
conveyor systems across various industries, including mining, manufacturing, and
material handling. They are particularly beneficial when dealing with heavy
loads or long conveyor belts, where the avoidance of sudden shock loads is
critical.

In summary, fluid couplings are a popular choice for soft-start applications in
conveyor systems due to their smooth and controlled power transmission,
adjustable startup times, and the ability to reduce mechanical stress and energy
consumption during startup.

FLUID COUPLINGS AND ENERGY EFFICIENCY IN POWER TRANSMISSION

Fluid couplings play a significant role in improving energy efficiency in power
transmission systems. They achieve this by enabling smooth and efficient torque
transmission while reducing energy losses during various operating conditions.

One of the key factors contributing to the energy efficiency of fluid couplings
is their hydrodynamic principle of operation. When power is transmitted through
a fluid coupling, it operates on the principle of hydrodynamic power
transmission. The primary component, known as the impeller, rotates and imparts
motion to the fluid inside the coupling. This motion creates a hydrodynamic
force that transmits the torque to the output side.

During the initial startup or when there is a significant speed difference
between the input and output shafts, the fluid coupling allows the input shaft
to accelerate gradually. This feature, known as the soft start, reduces the
mechanical stress on the connected components and the power source. By avoiding
sudden acceleration, fluid couplings minimize the energy spikes that occur
during direct starts in systems without couplings.

Moreover, fluid couplings act as a torque limiter when the load exceeds a
certain threshold. This characteristic, known as the slip, allows the fluid
coupling to disengage slightly when the torque reaches a predetermined level. As
a result, it protects the system from overloads and reduces energy wastage
during high-stress conditions.

Additionally, fluid couplings help mitigate the impact of shock loads and
torsional vibrations, which can reduce wear and tear on mechanical components.
By minimizing vibrations and shock loads, fluid couplings contribute to longer
equipment life and, consequently, lower maintenance and replacement costs.

However, it’s important to note that like any mechanical component, fluid
couplings have some energy losses due to viscous drag and heat dissipation.
While modern fluid couplings are designed with improved efficiency, these losses
need to be considered when assessing the overall energy efficiency of a power
transmission system.

In summary, fluid couplings enhance energy efficiency in power transmission by
providing soft starts, torque limiting, and damping of vibrations, thus reducing
energy wastage and extending the life of the connected equipment.

editor by CX 2024-04-09

This entry was posted in Uncategorized and tagged china coupling, Coupling,
fluid coupling on April 9, 2024 by ep.

CHINA MANUFACTURER FORGING CNC MACHINING CUSTOM OEM PARTS HYDRODYNAMIC FLUID
COUPLINGS

PRODUCT DESCRIPTION

Forging CNC machining custom OEM parts hydrodynamic fluid couplings

MUYANG MACHINERY IS A MANUFACTURER WITH THE CAPABILITY OF COMPREHENSIVE
SERVICES OF CASTING, FORGING AND MACHINING, COMMITTED TO THE PRODUCTION OF
CUSTOMIZED PARTS. SINCE ESTABLISHED IN 2002 (FORMER MIAOSEN MACHINERY CO., LTD),
WE’VE BEEN SUPPLYING TO THE GLOBAL MARKET FOR OVER 15 YEARS, SERVED INDUSTRIES
INCLUDE AUTOMOTIVE, RAILWAY, GAS AND OIL, MEDICAL MACHINERY, CONSTRUCTION
MACHINERY, GYM EQUIPMENT, ETC.

Process

Hot forging, cold forging, die forging with secondary service

Material

Carbon steel: A36,1045,1035 etc., Alloy steel: 40Cr, 20CrMnTi, 20CrNiMo,42CrMo4
etc., Stainless steel, SS304,SS316 etc.

Standard

ISO, DIN, ASTM, BS etc.

Weight

0.1kg – 20kg (in accordance with product structure)

Applicable Machining Process

CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/
Broaching/Reaming etc.

Machining Tolerance

±0.005mm

Machined Surface Quality

Ra0.8-Ra3.2 according to customer requirement

Applicable Heat Treatment

Normalization, Quenching and tempering, Case

Hardening, Nitriding, Carbon Nitriding, Induction Quenching

Applicable Finish Surface Treatment

Shot/sand blast, polishing, Surface passivation, Primer Painting , Powder
coating, ED- Coating, Chromate Plating, zinc-plate, Dacromat coating, Finish
Painting

Testing equipment

Supersonic inspection machine, Supersonic flaw detecting machine , Physics and
chemical analysis etc.

Packing

Wooden cases or according to customers’ requirement

MOQ of mass production

1000-5000pcs ( in accordance with actual condition)

We promise our clients a careful, safe, and tight package for exporting!

Standard packing: pearl cotton/bubble bag + carton box + pallet/wooden box

Special packing: custom packaging + wooden box

FAQ:

1. Are you a manufacturer or trading company?
We’re a manufacturer with self-export rights.

2. What’s your main business?
Our main business is custom metal parts processed by CNC machining, casting,
forging, etc., serving industries including railway, automobile, construction
machinery, gym equipment, water gas, and oil.

3. Directly get to CONTACT or send your product drawing/inquiries to email, we
will reply within 1 hour.

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FACTORS TO CONSIDER WHEN CHOOSING BETWEEN A FLUID COUPLING AND A VFD (VARIABLE
FREQUENCY DRIVE)

When selecting between a fluid coupling and a VFD for a power transmission
application, several factors should be taken into account:

* Speed Control Requirements: Consider whether variable speed control is
essential for your application. VFDs are excellent for applications that
require precise and flexible speed control, while fluid couplings typically
offer limited speed control capabilities.
* Energy Efficiency: Evaluate the energy efficiency requirements of your
system. VFDs can offer higher energy efficiency by allowing the motor to run
at optimal speeds, whereas fluid couplings introduce some energy losses due
to slip.
* Starting Torque: Examine the starting torque requirements of the driven load.
Fluid couplings can provide high starting torque and smooth acceleration,
which may be advantageous for applications with high inertia loads.
* Overload Protection: Consider the need for overload protection. Fluid
couplings inherently provide some protection against shock loads by allowing
slip, while VFDs may require additional protective mechanisms.
* Maintenance and Service: Evaluate the maintenance and service requirements of
both systems. Fluid couplings are generally simpler and require less
maintenance compared to VFDs, which involve electronic components.
* Cost: Compare the initial and long-term costs of both options. VFDs often
have higher upfront costs but can provide significant energy savings in the
long run, while fluid couplings may have lower initial costs but could lead
to higher energy consumption.

Ultimately, the choice between a fluid coupling and a VFD depends on the
specific needs of your application. Each option has its advantages and
limitations, and a thorough analysis of the operating conditions and performance
requirements will help determine the most suitable solution for your system.

FLUID COUPLING: DEALING WITH OIL LEAKAGE AND SEALING ISSUES

Here are some key factors related to oil leakage and sealing issues in fluid
couplings:

Consulting with the manufacturer or a qualified engineer for guidance on proper
maintenance and troubleshooting of fluid coupling sealing issues is recommended.

MAINTENANCE PRACTICES FOR FLUID COUPLINGS

Regular maintenance is crucial to keep a fluid coupling in good condition and
ensure its longevity. Here are the key maintenance practices:

1. Fluid Level Checks: Regularly inspect the fluid level in the fluid
coupling. Maintain the fluid level within the recommended range specified
by the manufacturer.
2. Fluid Quality: Monitor the quality of the fluid in the fluid coupling.
Check for any signs of contamination, degradation, or discoloration. If the
fluid shows signs of wear, replace it following the manufacturer’s
guidelines.
3. Fluid Replacement: As part of routine maintenance, consider replacing the
fluid periodically, even if there are no visible signs of wear. Fluid
replacement intervals may vary based on the application and operating
conditions.
4. Lubrication: Ensure proper lubrication of the fluid coupling components,
including bearings and seals, as specified by the manufacturer.
5. Inspections: Regularly inspect the fluid coupling for any signs of leaks,
damage, or unusual noises during operation. Address any issues promptly to
prevent further damage.
6. Alignment: Verify that the fluid coupling is correctly aligned with the
connected equipment. Misalignment can lead to premature wear and reduced
performance.
7. Coupling Bolts: Check and tighten the coupling bolts as needed to maintain
proper coupling integrity.
8. Temperature Monitoring: Monitor the operating temperature of the fluid
coupling. Elevated temperatures may indicate an issue that needs attention.
9. Vibration Analysis: Periodically perform vibration analysis to detect any
abnormal vibrations that could indicate potential problems.
10. Manufacturer Guidelines: Follow the maintenance guidelines and
recommendations provided by the fluid coupling manufacturer.

By adhering to these maintenance practices, you can extend the life of your
fluid coupling, improve its reliability, and minimize the risk of unexpected
failures.

editor by CX 2024-04-09

This entry was posted in Uncategorized and tagged china couplings, cnc machining
parts, couplings, fluid couplings, hydrodynamic couplings, machining cnc on
April 9, 2024 by ep.

CHINA OEM TYPE D DIN2828 STAINLESS STEEL FLUID SAFETY HOSE FITTING CAMLOCK HOSE
COUPLING

PRODUCT DESCRIPTION

Type D DIN2828 stainless steel fluid safety hose fitting camlock hose coupling

DIN2828 camlock coupling coupler Type D
According to European EN 14420-7 and the German DIN 2828 standards, camlock
fittings can be coupled with the standard of MIL-C-27487 / A-A-59326A, but
differ in terms of hose tail design. A flat thread seal has been added to the
female threaded parts, and a smooth hose shank complying with DIN 2817 has been
added for assembly with RK safety clamps complying with DIN 2817.
DIN2828 (EN14420-7) Camlock fitting, smooth tail with collar using with safety
Clamp (EN14420-3/DIN2817)is assembled with hoses.
Body Material: Stainless Steel or Aluminum
Arm: stainless steel
Gaskets:NBR,PTFE,viton,EPDM,PU etc
Thread :BSP, G (ISO228.1),R (DIN2999).
SIZE: 3/4″ to 6″
Working pressure: 50-250Psi(It depends on the size and temperature)
Manufacture method: precision casting & gravity casting.

Camlock fittings Feature:
Light, flexible and interchangeable
To connect and disconnect without tool
Economical

The application of camlock fitting in variety industries.
Industry: Oil, mine, municipal, construction, chemical and agriculture.
Application: hydraulic oil, coolant, gasoline and petroleum products, fuel
delivery, water treatment, brine, wastewater, chemical transportation and
storage etc.

Our Advantage

We are experienced as we have been in this industry as a manufacturer for more
than 10 years. Both of quality and service are highly guaranteed. Absolutely
prompt delivery. We can produce according to specific drawings from customers.
Welcome OEM/ODM project. Strict control on quality. High efficient and well
trained sale service team. ISO9001, CE and SGS certified.

FAQ

1.Q: Are you a producer or trading company?
A: We are an experienced manufacturer. We own production line and kinds of
machines.
2. Can you make our specific logo on the part?
Yes please provide me your logo and we will make your logo on the part.

3. Can you manufacture products according to my drawings?
Yes we can manufacturer according to client’s drawings if drawings or samples
are available. We are experienced enough to make new tools.

4. Q: Can I get some samples?
A: We are honored to offer you our samples. Normally it is for free like 3-5
pcs. It is charged if the samples are more than 5 pcs. Clients bear the freight
cost.

5. Q: How many days do you need to finish an order?
A: Normally it takes about 30 days to finish the order. It takes more time
around CHINAMFG season, or if the order involves many kinds of different
products.

6. what kind of rubber washer do you apply to camlock couplings?
Normally we use NBR gasket.

product-list-1.html /* January 22, 2571 19:08:37 */!function(){function
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HANDLING OVERLOADS AND STALL CONDITIONS IN FLUID COUPLINGS

A fluid coupling is designed to handle overloads and stall conditions in power
transmission systems. When an overload or stall occurs, the fluid coupling
utilizes its unique operating principle to protect the drivetrain and the
connected machinery:

* Slip Feature: One of the key characteristics of a fluid coupling is its
ability to slip at high torque loads. When an overload situation arises, the
fluid coupling allows some relative motion between the input and output
sides, known as slip. This slip absorbs the excess torque and prevents it
from being transferred to the driven equipment, effectively protecting it
from damage.
* Fluid Circulation: During normal operation, the fluid inside the coupling
circulates smoothly between the impeller and turbine, transmitting torque
with minimal losses. However, when an overload or stall condition occurs, the
fluid circulation may become turbulent, generating heat in the process. This
heat dissipation helps in absorbing and dissipating the excess energy,
preventing the transmission system from experiencing sudden stress.
* Automatic Reconnection: After an overload or stall condition, once the excess
torque is dissipated through slip and heat, the fluid coupling automatically
reconnects the input and output sides, resuming the power transmission. This
automatic reconnection ensures that the system returns to normal operation
once the overload situation is resolved.
* Sturdy Construction: Fluid couplings are designed with robust and durable
materials to withstand high torque and thermal stresses during overload
conditions. The strong construction ensures that the fluid coupling remains
reliable and operational even after multiple overload events.

Overall, a fluid coupling’s ability to handle overloads and stall conditions
makes it a reliable and essential component in various industrial applications.
By providing overload protection and slip characteristics, fluid couplings help
prevent costly damage to equipment, increase operational safety, and contribute
to the longevity of the entire power transmission system.

COST IMPLICATIONS OF USING FLUID COUPLINGS IN COMPARISON TO OTHER POWER
TRANSMISSION METHODS

The cost implications of using fluid couplings in power transmission depend on
various factors, including the application requirements, the size of the system,
and the operational conditions. While fluid couplings offer several advantages,
they may have different cost considerations compared to other power transmission
methods like mechanical clutches, VFDs (Variable Frequency Drives), and direct
mechanical drives.

1. Initial Investment:

The initial cost of a fluid coupling can be higher than that of a mechanical
clutch or a direct mechanical drive. Fluid couplings contain precision
components, including the impeller and turbine, which can impact their initial
purchase price.

2. Maintenance Costs:

Fluid couplings are generally considered to have lower maintenance costs
compared to mechanical clutches. Mechanical clutches have wear and tear
components that may require more frequent replacements, leading to higher
maintenance expenses over time.

3. Energy Efficiency:

Fluid couplings are highly efficient in power transmission, especially during
soft-start applications. Their ability to reduce shock loads and provide a
smooth acceleration can result in energy savings and operational cost
reductions.

4. Space and Weight:

Fluid couplings are usually more compact and lighter than some mechanical
clutches, which can be advantageous in applications with space constraints or
weight limitations.

5. Specific Application Considerations:

The suitability and cost-effectiveness of fluid couplings versus other power
transmission methods can vary based on specific application requirements. For
example, in soft-start applications, fluid couplings may be the preferred choice
due to their ability to reduce mechanical stress and protect connected
equipment.

6. Lifespan and Reliability:

While the initial cost of a fluid coupling might be higher, their longevity and
reliability can lead to lower overall life cycle costs compared to other power
transmission methods.

In conclusion, the cost implications of using fluid couplings in power
transmission depend on the particular application and the total cost of
ownership over the equipment’s lifespan. Although fluid couplings may have a
higher initial investment, their long-term reliability, energy efficiency, and
lower maintenance costs can make them a cost-effective choice in many industrial
applications.

IMPROVEMENT OF STARTING PERFORMANCE IN LARGE MACHINES WITH FLUID COUPLINGS

Fluid couplings play a crucial role in enhancing the starting performance of
large machines, especially those with high inertia loads. Here’s how a fluid
coupling achieves this improvement:

* Smooth Startup: When a machine equipped with a fluid coupling starts, the
input shaft begins to rotate, and the impeller starts to churn the fluid
inside the coupling. This action creates a hydrodynamic torque transfer
between the impeller and the turbine. As the fluid circulates and builds up
torque, the output shaft begins to accelerate smoothly without any sudden
jolts or shocks.
* Inertia Compensation: In large machines, the rotating mass and initial
resistance to motion can be significant. The fluid coupling’s ability to
transmit torque gradually allows it to compensate for the inertia of the
driven load. This means that even with heavy loads, the fluid coupling can
slowly bring the machine up to its operating speed without subjecting the
mechanical components to excessive stress.
* Overload Protection: During startup, if the machine encounters an unexpected
overload or jam, the fluid coupling provides a level of protection. The fluid
coupling will slip, limiting the torque transmitted to the output shaft, thus
preventing damage to the machine and associated components.
* Reduction of Electrical Stress: In machines powered by electric motors, the
use of a fluid coupling reduces the electrical stress during startup. As the
fluid coupling gradually accelerates the load, it prevents abrupt spikes in
electrical current, resulting in a smoother and controlled power draw from
the electrical supply.

By offering smooth startup, inertia compensation, overload protection, and
reduced electrical stress, a fluid coupling significantly improves the starting
performance of large machines, ensuring their longevity, reliability, and
overall operational efficiency.

editor by CX 2024-04-08

This entry was posted in Uncategorized and tagged china coupling, Coupling,
fluid coupling, stainless steel coupling on April 8, 2024 by ep.

CHINA BEST CHINESE MANUFACTURER CAR PARTS 16307-64022 FLUID COUPLING BRACKET FOR
CHINAMFG

PRODUCT DESCRIPTION

Chinese Manufacturer Car Parts 16307-64571 Fluid Coupling Bracket For CHINAMFG

Product Specification:

OEM No: 16307-64571 Apply To:

For car

Brand: FENGMING Condition: Brand New Stock Availability: Yes Minimum Order QTY
1PC OEM Order Acceptability: Yes Small order Lead Time: 3-7 days Large Order
Lead Time: 15-30 days Quality Warranty 12 months PACKAGING As neutral or as
customer’s request, FENG MING PACKING Payment Methods: Paypal, Western Union,
Bank T/T, L/C Shipment Methods: DHL, UPS, TNT, FedEx, Aramex, EMS, Air Cargo,
Sea Cargo

Company Profile

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CONTRIBUTION OF FLUID COUPLING TO THE LONGEVITY OF CONNECTED EQUIPMENT

A fluid coupling plays a crucial role in enhancing the longevity and protecting
the connected equipment by providing the following benefits:

* Shock Load Damping: When the equipment starts or stops, there can be sudden
changes in torque, resulting in shock loads. The fluid coupling absorbs and
dampens these shock loads, reducing stress and wear on the connected
equipment.
* Torsional Vibration Damping: Torsional vibrations can occur during the
operation of the connected equipment, which can be damaging over time. The
fluid coupling acts as a torsional damper, reducing these vibrations and
preventing potential fatigue failure in the equipment.
* Overload Protection: In case of sudden overloads or jamming of the connected
equipment, the fluid coupling can slip and decouple the load, protecting both
the equipment and the driving motor from excessive stress and damage.
* Smooth Startup: During startup, the fluid coupling allows a gradual increase
in torque, enabling a smooth and controlled acceleration of the connected
equipment. This eliminates sudden jerks and reduces mechanical stress during
the startup phase.
* Load Distribution: The fluid coupling distributes the load evenly across the
connected equipment, minimizing wear and tear on specific components and
extending the overall lifespan of the machinery.
* Reduced Maintenance: By reducing shock loads and vibrations, the fluid
coupling helps decrease the frequency of maintenance and repairs required for
the connected equipment, resulting in cost savings and improved uptime.
* Energy Efficiency: The fluid coupling allows for efficient power transmission
by reducing losses during startup and load changes. This, in turn, helps in
lowering the overall energy consumption of the system and contributes to
equipment longevity.
* Contamination Prevention: The fluid coupling encapsulates the driving and
driven components, providing a barrier that helps prevent contaminants such
as dust, dirt, and moisture from entering the equipment’s internal
components. This protection can extend the life of bearings and other
sensitive parts.

Overall, a fluid coupling acts as a protective intermediary between the driving
motor and the connected equipment, enhancing the system’s reliability,
efficiency, and longevity by mitigating the effects of shocks, vibrations, and
overloads.

SPECIAL CONSIDERATIONS FOR USING FLUID COUPLINGS IN EXPLOSIVE ENVIRONMENTS

Fluid couplings are widely used in various industrial applications, including
those in potentially explosive environments. When considering the use of fluid
couplings in such settings, several special considerations must be taken into
account to ensure safety and compliance with regulations:

* Explosion-Proof Design: Fluid couplings used in explosive environments must
be designed to prevent the ignition of flammable gases or vapors. They should
adhere to explosion-proof standards and be equipped with robust seals and
protective enclosures to contain any potential sparks or flames.
* Ingress Protection: An appropriate ingress protection (IP) rating is
essential to prevent dust, moisture, or other hazardous substances from
entering the fluid coupling. A higher IP rating ensures greater protection
against potential sources of ignition.
* Material Selection: The choice of materials for the fluid coupling is crucial
in explosive environments. Non-sparking or anti-static materials should be
used to reduce the risk of ignition caused by friction or electrical
discharge.
* Temperature Limitations: Fluid couplings operating in explosive environments
must have temperature ratings that prevent overheating and potential ignition
of flammable substances. The fluid coupling should be adequately cooled to
maintain safe operating temperatures.
* Monitoring and Maintenance: Regular monitoring and maintenance of fluid
couplings in explosive environments are essential. Periodic inspections can
detect potential issues or wear that could compromise the safety of the
coupling. Any maintenance or repair work should be carried out by qualified
personnel following safety protocols.
* Compliance with Regulations: Depending on the industry and location, there
may be specific regulations and safety standards that govern the use of
equipment in explosive atmospheres. It is crucial to adhere to these
regulations and ensure that the fluid coupling complies with all relevant
safety requirements.

Fluid couplings used in explosive environments play a vital role in ensuring the
safe and reliable operation of industrial machinery. By providing smooth and
controlled power transmission, fluid couplings can help minimize risks and
improve the overall safety of the equipment and personnel in these hazardous
settings.

Before implementing fluid couplings in explosive environments, it is essential
to conduct a thorough risk assessment and consult with experts familiar with the
specific safety requirements of the industry. By taking appropriate safety
measures and selecting suitable explosion-proof fluid couplings, the risks
associated with using power transmission equipment in hazardous areas can be
effectively mitigated.

IMPROVEMENT OF STARTING PERFORMANCE IN LARGE MACHINES WITH FLUID COUPLINGS

Fluid couplings play a crucial role in enhancing the starting performance of
large machines, especially those with high inertia loads. Here’s how a fluid
coupling achieves this improvement:

editor by CX 2024-04-08

This entry was posted in Uncategorized and tagged china coupling, Coupling,
fluid coupling on April 8, 2024 by ep.

CHINA HIGH QUALITY PIPE COUPLING FOR FLUID EQUIPMENT

PRODUCT DESCRIPTION

Pipe Coupling for Fluid Equipment

Model number: DK101
Material: Stainless steel 304
Surface treatment: Polished
Management Certification: ISO9001:2015
Origin: ZheJiang China
OEM orders: accept
Samples: for free

Item Material Surface Locking load Weight DK101 Steel zinc-plated DK101
Stainless steel 304 Polished

Product application
Widely used in many fields. Like ships, high-speed rail, automobiles, civil
products, and so on.

Certificate

Packaging & Delivery
Packing: packing can be made according to your request.
Single package size: 32mm*22mm*15mm

Our factory

FAQ:

Q: Are you a factory or trading company?

A: We are a professional manufacturer.
We are warmly welcome clients from worldwide to

visit our factory and cooperate with us.

Q: What’s your advantage? Why we choose you?

A:
Great production capacity Sustainable Supply.According to customer requirements

we support the customized include package. We have the most professional

technology and team.

Q: What are your production standards?

A: European standard stamping

Q: How long does the whole procedure being worked out?

A: The lead time is about 30days and it depends if the material is especial.

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ADVANCEMENTS AND INNOVATIONS IN FLUID COUPLING TECHNOLOGY

Fluid coupling technology has undergone significant advancements and innovations
over the years, leading to improved performance, efficiency, and versatility.
Some notable advancements include:

ROLE OF FLUID COUPLING IN REDUCING MECHANICAL STRESS ON CONNECTED EQUIPMENT

A fluid coupling is a mechanical device used to transmit power between two
shafts without direct physical contact. It plays a crucial role in reducing
mechanical stress on connected equipment, offering several benefits in various
industrial applications. Here’s how a fluid coupling achieves this:

* Smooth Power Transmission: Fluid couplings use hydraulic principles to
transmit torque. When the input shaft (driving shaft) rotates, it imparts
motion to the fluid inside the coupling. The fluid transmits torque to the
output shaft (driven shaft) through the hydraulic coupling, resulting in
smooth and gradual power transmission. This eliminates sudden jerks and
mechanical shocks that could otherwise lead to increased stress on connected
equipment.
* Damping Effect: Fluid couplings act as a damping element, absorbing
vibrations and torsional oscillations from the driving shaft. This damping
effect helps reduce mechanical stress on connected equipment by mitigating
the impact of sudden load changes and torsional vibrations that may occur
during start-ups, shut-downs, or varying operating conditions.
* Torque Limiting: In high-load situations, a fluid coupling can provide torque
limiting capabilities. When the load exceeds a certain threshold, the fluid
coupling slips, preventing excessive torque from reaching the driven shaft.
This feature acts as a protective mechanism, preventing overloading and
mechanical stress on both the coupling and connected equipment.
* Shock Absorption: In applications where shock loads or overloads are common,
a fluid coupling can absorb and dampen the impact of such events. This
ability to cushion shocks prevents abrupt changes in torque and rotational
speed, reducing mechanical stress and potential damage to the equipment.
* Speed Control: In certain applications, fluid couplings can facilitate speed
control of the driven shaft by adjusting the amount of fluid in the coupling.
The ability to control the speed of connected equipment without abrupt
changes contributes to smoother operation and lower mechanical stress.

By incorporating a fluid coupling into a power transmission system, mechanical
stress on connected equipment can be significantly reduced, leading to improved
equipment reliability, extended component life, and reduced maintenance costs.
Fluid couplings are commonly used in heavy machinery, conveyors, crushers,
mining equipment, marine propulsion systems, and various other industrial
applications where smooth and controlled power transmission is critical.

It is important to select the appropriate fluid coupling size, type, and
features based on the specific application requirements to ensure optimal
performance and stress reduction. Regular maintenance and adherence to the
manufacturer’s guidelines are essential to preserve the benefits of using fluid
couplings and maintain their effectiveness in reducing mechanical stress on
connected equipment.

MAINTENANCE PRACTICES FOR FLUID COUPLINGS

Regular maintenance is crucial to keep a fluid coupling in good condition and
ensure its longevity. Here are the key maintenance practices:

By adhering to these maintenance practices, you can extend the life of your
fluid coupling, improve its reliability, and minimize the risk of unexpected
failures.

editor by CX 2024-04-04

This entry was posted in Uncategorized and tagged china coupling, Coupling,
fluid coupling on April 4, 2024 by ep.

CHINA MANUFACTURER FLANGE CAST IRON COUPLING STEEL UNIVERSAL JOINT CARDAN PUMP
RUBBER MOTOR DISC CURVED TOOTH FLEX RIGID DRIVE SHAFT NM YOX FLUID JAW FLEXIBLE
CHAIN GEAR COUPLINGS

PRODUCT DESCRIPTION

Excellent powder metallurgy parts metallic sintered parts
We could offer various powder metallurgy parts including iron based and copper
based with top quality and cheapest price, please only send the drawing or
sample to us, we will according to customer’s requirement to make it. if you are
interested in our product, please do not hesitate to contact us, we would like
to offer the top quality and best service for you. thank you!

How do We Work with Our Clients
1. For a design expert or a big company with your own engineering team: we
prefer to receive a fully RFQ pack from you including drawing, 3D model,
quantity, pictures;

2. For a start-up company owner or green hand for engineering: just send an idea
that you want to try, you don’t even need to know what casting is;

3. Our sales will reply you within 24 hours to confirm further details and give
the estimated quote time;

4. Our engineering team will evaluate your inquiry and provide our offer within
next 1~3 working days.

5. We can arrange a technical communication meeting with you and our engineers
together anytime if required.

Place of origin: Jangsu,China Type: Powder metallurgy sintering Spare parts
type: Powder metallurgy parts Machinery Test report: Provided Material:
Iron,stainless,steel,copper Key selling points: Quality assurance Mould type:
Tungsten steel Material standard: MPIF 35,DIN 3571,JIS Z 2550 Application: Small
home appliances,Lockset,Electric tool, automobile, Brand Name: OEM SERVICE
Plating: Customized After-sales Service: Online support Processing: Powder
Metallurgr,CNC Machining Powder Metallurgr: High frequency quenching, oil
immersion Quality Control: 100% inspection

The Advantage of Powder Metallurgy Process

1. Cost effective
The final products can be compacted with powder metallurgy method ,and no need
or can shorten the processing of machine .It can save material greatly and
reduce the production cost .

2. Complex shapes
Powder metallurgy allows to obtain complex shapes directly from the compacting
tooling ,without any machining operation ,like teeth ,splines ,profiles ,frontal
geometries etc.

3. High precision
Achievable tolerances in the perpendicular direction of compacting are typically
IT 8-9 as sintered,improvable up to IT 5-7 after sizing .Additional machining
operations can improve the precision .

4. Self-lubrication
The interconnected porosity of the material can be filled with oils ,obtaining
then a self-lubricating bearing :the oil provides constant lubrication between
bearing and shaft ,and the system does not need any additional external
lubricant .

5. Green technology
The manufacturing process of sintered components is certified as ecological
,because the material waste is very low ,the product is recyclable ,and the
energy efficiency is good because the material is not molten.

FAQ
Q1: What is the type of payment?
A: Usually you should prepay 50% of the total amount. The balance should be pay
off before shipment.

Q2: How to guarantee the high quality?
A: 100% inspection. We have Carl Zeiss high-precision testing equipment and
testing department to make sure every product of size,appearance and pressure
test are good.

Q3: How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.

Q4. How about your delivery time?
A: Generally, it will take 25 to 35 days after receiving your advance payment.
The specific delivery time depends on the items and the quantity of your order.
and if the item was non standard, we have to consider extra 10-15days for
tooling/mould made.

Q5. Can you produce according to the samples or drawings?
A: Yes, we can produce by your samples or technical drawings. We can build the
molds and fixtures.

Q6: How about tooling Charge?
A: Tooling charge only charge once when first order, all future orders would not
charge again even tooling repair or under maintance.

Q7: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers
have to pay the sample cost and the courier cost.

Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit
;
2. We respect every customer as our friend and we sincerely do business and
make friends with them, no matter where they come from.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

KEY PARAMETERS IN DESIGNING A FLUID COUPLING SYSTEM

Designing a fluid coupling system requires careful consideration of various
parameters to ensure optimal performance and efficiency. Here are the key
parameters to take into account:

SPECIAL CONSIDERATIONS FOR USING FLUID COUPLINGS IN EXPLOSIVE ENVIRONMENTS

FLUID COUPLINGS AND VARIABLE SPEED CONTROL

Fluid couplings are well-suited for certain applications that require variable
speed control. While fluid couplings are primarily designed for smooth power
transmission and torque multiplication, they can be used in combination with
other devices to achieve variable speed control.

The primary method of achieving variable speed control with a fluid coupling is
by using a hydraulic coupling or a hydraulic torque converter. A hydraulic
coupling is essentially a fluid coupling with an additional chamber that allows
for controlled fluid flow. By adjusting the fluid flow rate, the output speed
can be varied, thus providing variable speed control.

Hydraulic torque converters are similar to fluid couplings but have an
additional component called a stator. The stator redirects the fluid flow in a
way that enhances torque multiplication at low speeds and improves efficiency at
high speeds. By altering the stator’s position, the output speed can be varied,
enabling variable speed control.

Variable speed control with fluid couplings is often used in applications such
as industrial machinery, mining equipment, and certain types of vehicles. It
allows for smooth and efficient speed adjustments without the need for
mechanical gear changes, providing flexibility in various operating conditions.

However, it’s important to note that while fluid couplings can offer some degree
of variable speed control, they are not as versatile as other speed control
mechanisms like variable frequency drives (VFDs) or electronic controllers.
Therefore, the selection of the appropriate speed control method depends on the
specific requirements and characteristics of the application.

editor by CX 2024-04-04

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2024 by ep.

CHINA MANUFACTURER 1/4″ (6.4MM) HOSE BARBED PLASTIC CONNECTOR TO NON-VALVED
FEMALE BODY FITTING POM QUICK CONNECT COUPLINGS FOR FLUID CONTROL SYSTEM

PRODUCT DESCRIPTION

Product Description

Product Name 1/4″(6.4mm) Hose Barbed Plastic Connector to Non-Valved Female Body
Fitting POM Quick Connect Couplings for Fluid Control System Technology
Injection Molding Usage Standard flow quick-disconnect couplings require a body
and an insert in the same flow size. Plug insert into body to connect fitting
and easily disconnect the fitting by simply press the thumb latch. Application
medical devices, laboratory, life science, biopharmaceutical, biochemical
analysis, bioengineering, circulating water cooling pipe system, water treatment
and disinfection, food&beverage, packaging machinery, industrial and hundreds of
other applications; Adapted Medium Gas/Liquid Material POM Plastic Seal Ring
Material Buna-N/FKM/EPDM/Silicone rubber, depend on your usage Valve Spring 316
Stainless Steel Temperature Range 32°F – 180°F (0°C – 82°C) Pressure Range
Vacuum to 100 psi, 6.9bar Valve Option Valved(shut off) or Non-valved (straight
through) Shape Option Panel Mount/In-line/Elbow/NPT Threaded; Hose Barb Size
1/16″ =1.6mm (01); 1/8″= 3.2mm (02); 3/16″= 4.8mm (03);

1/4″=6.4mm (04); 5/16″=8mm (05); 3/8″=9.6mm (06);

Threaded End 1/8″-27NPT, 1/4″-18NPT Male Thread

1/4″ Flow rate, 1/4″(6.4mm), 5/16″(8mm),3/8″(9.5mm) Hose Barb Coupling

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