Product Description

Product Description

Schedule 40 3/4 In 2″  4” PVC Rigid Conduit Couplings with Center Stop

Sch40 Conduit PVC Elbow are for use in a non-metallic PVC conduit run when directional change is necessary.

. Comply with UL651.
. PVC schedule 40 construction. 
 . Center stop coupling used to join lengths of conduit pipe together with 2 solvent weld socket ends.
. Designed for above-ground and below-ground applications.
. Durable and eco-friendy PVC, will not rust or corrode which is especially important in outdoor applications.
. Sunlight resistant, ideal for both indoor and outdoor applications.

 

If you are interesting, please contact us for more further details.

 

Related Products

Our services are as below, but not limited to:
– Design customized: we can open new molds and make your designs. We have our own R&D team and we can develop and make moulds. 
– Brand and logo: we can print or curve your brand and logo on the products.
– Package: we can do your package design as requested as well.
– Professional team: we have a professional team to provide professional products and trading service, and after-sale service as well as. We pursue CHINAMFG and long-term cooperation.
– Protection: we will follow the protection agreements for your customized products and your trading information.   
– Certificates: We do high quality products, our products are accordance with the standard of IEC, Rohs, ISO, AS/NZS, UL651 and etc…..

FAQ

1.What is your MOQ ?
   Depend on your order (different kinds of items have different MOQ )

2. What is your delivery time ?
   Normally, the time of delivery duration is around 15-30 days

3. What is the shipping port ?

    We ship the goods via HangZhou port or HangZhou port.
 

4. What is your payment term ?

    T/T or 100% L/C.
 

5. How should I contact you ?

    You can contact us with Trade Manager or send us an email.
 

6. How about the samples ?

    We can provide the samples of schedule 40 electrical conduit

Company Profile

 

Schedule 40 3/4 In 2″  4” PVC Rigid Conduit Couplings with Center Stop

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rigid coupling

Can Rigid Couplings Handle Misalignment Between Shafts?

Rigid couplings are not designed to handle misalignment between shafts. Unlike flexible couplings that can accommodate slight misalignment through their bending or elastic properties, rigid couplings are intended to provide a fixed and immovable connection between two shafts. As a result, any misalignment between the shafts can lead to increased stress and uneven loading on connected components.

It is essential to ensure precise alignment when using rigid couplings to avoid premature wear and failure of the system. The shafts must be perfectly aligned in both the axial and angular directions before installing the rigid coupling. Proper alignment helps distribute the load evenly and reduces stress concentration on specific areas, such as bearings and keyways.

If a system requires some level of misalignment compensation due to factors like thermal expansion or slight shaft deflection, a flexible coupling should be considered instead. Flexible couplings can tolerate small degrees of angular and axial misalignment while still transmitting torque efficiently and protecting the connected equipment from excessive stress and wear.

In summary, rigid couplings are best suited for applications where precise shaft alignment can be achieved and maintained, while flexible couplings are more appropriate for systems with potential misalignment or other dynamic factors that require some degree of flexibility.

rigid coupling

Use of Rigid Couplings for Motor-to-Shaft and Shaft-to-Shaft Connections

Yes, rigid couplings can be used for both motor-to-shaft and shaft-to-shaft connections in mechanical systems. Rigid couplings are designed to provide a solid and non-flexible connection between two shafts. This characteristic makes them versatile for various applications, including motor-to-shaft and shaft-to-shaft connections.

1. Motor-to-Shaft Connections: In motor-to-shaft connections, a rigid coupling is used to connect the output shaft of an electric motor to the driven shaft of a machine or equipment. This ensures direct power transmission without any flexibility. Motor-to-shaft connections are common in applications where the motor’s rotational motion needs to be transferred to the driven equipment with high precision and efficiency.

2. Shaft-to-Shaft Connections: In shaft-to-shaft connections, a rigid coupling joins two shafts directly, providing a solid and immovable link between them. This is beneficial in applications where precise alignment and torque transmission are essential, such as in precision motion control systems or heavy-duty industrial machinery.

Rigid couplings are available in various designs, such as one-piece, two-piece, and split types, to accommodate different shaft arrangements. The type of rigid coupling used depends on the specific application and the shaft sizes to be connected.

Advantages of Using Rigid Couplings:

– Zero backlash ensures accurate motion transfer and positioning.

– Efficient power transmission without loss due to flexibility.

– Minimal maintenance requirements due to their simple design.

– High torque capacity suitable for heavy-duty applications.

– Tolerance to misalignment (within design limits) enhances versatility.

– Provides system stiffness, reducing the risk of resonance and vibration-related issues.

– Suitable for high-speed applications.

– Versatility for various industrial applications.

Whether it’s connecting a motor to a driven shaft or joining two shafts together, rigid couplings offer reliability, precision, and efficiency, making them a popular choice in numerous mechanical systems.

rigid coupling

Types of Rigid Coupling Designs:

There are several types of rigid coupling designs available, each designed to meet specific application requirements. Here are some common types of rigid couplings:

  • 1. Sleeve Couplings: Sleeve couplings are the simplest type of rigid couplings. They consist of a cylindrical sleeve with a bore in the center that fits over the shaft ends. The coupling is secured in place using setscrews or keyways. Sleeve couplings provide a solid and rigid connection between shafts and are easy to install and remove.
  • 2. Clamp or Split Couplings: Clamp couplings, also known as split couplings, are designed with two halves that fit around the shafts and are fastened together with bolts or screws. The split design allows for easy installation and removal without the need to disassemble other components in the system. These couplings are ideal for applications where the shafts cannot be easily moved.
  • 3. Flanged Couplings: Flanged couplings have flanges on each end that are bolted together to form a rigid connection. The flanges add stability and strength to the coupling, making them suitable for heavy-duty applications. They are commonly used in industrial machinery and equipment.
  • 4. Tapered Couplings: Tapered couplings have a tapered inner diameter that matches the taper of the shaft ends. When the coupling is tightened, it creates a frictional fit between the coupling and the shafts, providing a rigid connection. These couplings are often used in applications where high torque transmission is required.
  • 5. Marine or Clampshell Couplings: Marine couplings, also known as clampshell couplings, consist of two halves that encase the shaft ends and are bolted together. These couplings are commonly used in marine applications, such as propeller shafts in boats and ships.
  • 6. Diaphragm Couplings: Diaphragm couplings are a type of rigid coupling that provides some flexibility to accommodate misalignment while maintaining a nearly torsionally rigid connection. They consist of thin metal diaphragms that transmit torque while compensating for minor shaft misalignments.

The choice of rigid coupling design depends on factors such as shaft size, torque requirements, ease of installation, and the level of misalignment that needs to be accommodated. It is essential to select the appropriate coupling design based on the specific needs of the application to ensure optimal performance and reliability.

China OEM Schedule 40 3/4 in 2China OEM Schedule 40 3/4 in 2
editor by CX 2024-03-08