Product Description

Strong Mechanical Strength Easy to Load and Unload Female Threaded Coupling


Product Description

Technical data

Part Material
Body(A) (PPB)Ploypropylene(PP-B)of exceptional mechanical properties even at high temperature
Blocking bush(D) (PPB)Ploypropylene
Nut(B) (PPB)Ploypropylene with dye master of high stability to UV rays and solidity to heat
Clinching ring(C) (POM)Polyacetal resin(POM) of high mechanical resistance and hardness
O ring gasket(E) (NBR)Special elastomeric acrylonitrile rebber(NBR)for alimentary use

TYPE C SIZE Weight pcs/ carton
Product name Code (g/pc)
FEMALE THREADED TEE E1003 20*1/2 30 600
20*3/4 31 560
20*1 36 440
25*1/2 45 360
25*3/4 47 360
25*1 51 320
32*1/2 77 240
32*3/4 77 210
32*1 80 180
32*11/4″ 87 210
40*1 108 140
40*11/4 110 130
40*11/2″ 123 120
50*1″ 175 80
50*11/4 183 80
50*11/2″ 190 80
50*2″ 196 80
63*11/4 289 48
63*11/2 298 48
63*2 299 42
75*2″ 574 27
75*21/2″ 588 24
75*3″ 653 24
90*21/2″ 803 13
90*3″ 858 13
90*4″ 931 13
110*3″ 1372 8
110*4″ 1382 8

1) Light weight, easy to load and unload
2) Good chemicals and drugs resistance
3) Small resistance to fluidity
4) Strong mechanical strength
5) Good electrical insulation
6) Water quality unaffected
7) Simple installation

1) Structure Engineering
2) Water supply system
3) for Agriculture Irrigation

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Company Profile

1.Any inquiries will be replied within 24 hours.
2.Professional manufacturer.
3.OEM is available.
4.High quality, standard designs,reasonable&competitive price,fast lead time.
5.Faster delivery: Sample will be prepared in 2-3 days.
6.Shipping: We have strong cooperation with DHL,TNT,UPS,MSK,China Shipping,etc.


1.What is your MOQ?
Our MOQ is usually 5 CTNS for size from 20-50mm.

2.What is your delievery time?
The time of delievery is around 30-45days.

3.What is your payment terms?
We accept 30% T/T in advance,70% before shipment .or 100% L/C.

4.What is the shipping port?
We ship the goods to HangZhou or ZheJiang port.

5.What is the address of your company?
Our company is located in the HangZhou, HangZhou ZHangZhoug Province,China.You are welcomed to visit our factory.

6.How about the samples?
we could send you the samples for free, and you need to pay the courier fee.
If there are too much samples, then you also need to undertake the sample fee.

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mechanical coupling

Exploring the various materials used in manufacturing mechanical couplings.

Mechanical couplings are manufactured using a wide range of materials, each chosen based on specific application requirements. The choice of material impacts the coupling’s performance, durability, and suitability for different operating conditions. Here are some common materials used in manufacturing mechanical couplings:

1. Steel:

Steel is one of the most widely used materials for mechanical couplings due to its strength, durability, and cost-effectiveness. It is suitable for various applications, including high-torque and high-speed requirements. Stainless steel is often preferred for couplings in corrosive environments.

2. Aluminum:

Aluminum is known for its lightweight properties, making it suitable for applications where reducing weight is essential, such as in aerospace and automotive industries. However, aluminum couplings may have lower torque capacities compared to steel couplings.

3. Cast Iron:

Cast iron is used in couplings requiring high strength and wear resistance. It is commonly used in industrial machinery and heavy-duty applications.

4. Bronze:

Bronze is chosen for its excellent resistance to corrosion and its ability to handle high shock loads. Bronze couplings are often used in marine and hydraulics applications.

5. Brass:

Brass is used in couplings where electrical conductivity is required, such as in some electrical motor couplings.

6. Rubber and Elastomers:

Rubber and elastomers are used in flexible couplings to provide flexibility and vibration damping. They can absorb shocks and compensate for misalignments in various applications.

7. Polyurethane:

Polyurethane is commonly used in elastomeric couplings due to its excellent resilience, toughness, and resistance to wear.

8. Thermoplastics:

Thermoplastics like nylon and polyethylene are used in lightweight couplings with low torque requirements. They are known for their low friction and self-lubricating properties.

9. Composite Materials:

Composite materials, such as carbon fiber-reinforced polymers, are used in high-performance couplings where a balance of strength and weight is crucial.

10. Ceramic:

Ceramic couplings are used in extreme temperature and high-speed applications due to their excellent thermal and wear resistance properties.

The choice of material for a mechanical coupling depends on factors like the application’s operating conditions, load requirements, environmental factors, and cost considerations. Selecting the right material ensures that the coupling can perform reliably and efficiently in its intended application.

“`mechanical coupling

Exploring the use of mechanical couplings in high-power and heavy-duty machinery.

Mechanical couplings play a critical role in high-power and heavy-duty machinery, where reliable power transmission and robust performance are essential. These couplings are designed to withstand substantial torque, accommodate misalignment, and provide durability under demanding operating conditions. Here are some key aspects of using mechanical couplings in such machinery:

1. Power Transmission:

In high-power machinery, such as large industrial pumps, compressors, and turbines, mechanical couplings efficiently transfer significant amounts of torque from the driving source (e.g., motor or engine) to the driven equipment. The coupling’s design and material selection are crucial to ensure efficient power transmission and prevent energy losses.

2. Torque Capacity:

Heavy-duty machinery often generates high torque levels during operation. Mechanical couplings used in these applications are designed to handle these high torque requirements without compromising their structural integrity.

3. Misalignment Compensation:

Heavy-duty machinery may experience misalignment due to thermal expansion, foundation settling, or other factors. Mechanical couplings with flexible elements, like elastomeric or grid couplings, can effectively compensate for misalignment, reducing stress on connected equipment and prolonging the machinery’s life.

4. Shock Load Absorption:

High-power machinery may encounter sudden shock loads during starts, stops, or operational changes. Mechanical couplings with damping or shock-absorbing capabilities, such as elastomeric or disc couplings, help protect the equipment from damage and improve overall system reliability.

5. Heavy-Duty Applications:

Heavy-duty machinery, such as mining equipment, construction machinery, and steel rolling mills, require couplings capable of withstanding harsh conditions and heavy loads. Couplings made from robust materials like steel, cast iron, or alloy steel are commonly used in these applications.

6. High-Temperature Environments:

In certain heavy-duty machinery, like industrial furnaces and kilns, mechanical couplings are exposed to high temperatures. Couplings made from high-temperature alloys or materials with excellent heat resistance are selected for such applications.

7. Precision Machinery:

In precision machinery, such as CNC machines and robotics, couplings with low backlash and high torsional stiffness are preferred to ensure accurate and repeatable motion control.

8. Overload Protection:

Some high-power machinery may experience occasional overloads. Couplings with torque-limiting capabilities, like shear pin or magnetic couplings, can act as overload protection, preventing damage to the machinery during such instances.

Mechanical couplings in high-power and heavy-duty machinery are engineered to meet the specific requirements of each application, delivering reliable performance, safety, and efficiency. The proper selection and installation of couplings play a vital role in ensuring the optimal operation of these critical machines.

“`mechanical coupling

Can a faulty mechanical coupling lead to equipment failure and downtime?

Yes, a faulty mechanical coupling can indeed lead to equipment failure and downtime in a mechanical system. The importance of well-maintained and properly functioning couplings cannot be overstated, and their failure can have significant consequences:

1. Loss of Torque Transmission:

A faulty coupling may not be able to effectively transmit torque from the motor to the driven load. This loss of torque transmission can result in reduced or erratic performance of the equipment.

2. Increased Wear and Damage:

When a coupling is not functioning correctly, it may introduce excessive play or misalignment between the connected components. This can lead to increased wear on bearings, shafts, gears, and other parts, accelerating their deterioration.

3. Vibrations and Resonance:

Faulty couplings can cause vibrations and resonance in the system, leading to stress and fatigue in the equipment. These vibrations can further propagate throughout the machinery, affecting nearby components and leading to potential failures.

4. Overloading and Overheating:

In some cases, a faulty coupling may not slip or disengage as intended when subjected to overload conditions. This can cause excessive stress on the equipment, leading to overheating and potential damage to the motor, gearbox, or other components.

5. System Downtime:

When a mechanical coupling fails, it often necessitates equipment shutdown for repairs or replacement. This unplanned downtime can lead to production halts, reduced efficiency, and financial losses for businesses.

6. Safety Risks:

A faulty coupling that fails to disconnect or slip during overloads can pose safety risks to personnel and equipment. It may lead to unexpected and potentially dangerous equipment behavior.

7. Costly Repairs and Replacements:

Fixing or replacing damaged components due to coupling failure can be costly. Additionally, if a faulty coupling causes damage to other parts of the system, the repair expenses can escalate.

Regular maintenance and inspections of mechanical couplings are crucial to detect early signs of wear or damage. Identifying and addressing issues promptly can help prevent equipment failure, reduce downtime, and ensure the smooth and efficient operation of mechanical systems.

China Standard Strong Mechanical Strength Easy to Load and Unload Female Threaded Coupling  China Standard Strong Mechanical Strength Easy to Load and Unload Female Threaded Coupling
editor by CX 2024-03-12