China OEM FCL Flexible Shaft Couplings for Reducer and Motor

Product Description

Product Description

COUPLINGS

HRC FCL Chain coupling GE L NM MH Torque limiter
HRC 70B FCL90 KC4012 GE14 L050 NM50 MH45 TL250-2
HRC 70F FCL100 KC4014 GE19 L070 NM67 MH55 TL250-1
HRC 70H FCL112 KC4016 GE24 L075 NM82 MH65 TL350-2
HRC 90B FCL125 KC5014 GE28 L090 NM97 MH80 TL350-1
HRC 90F FCL140 KC5016 GE38 L095 NM112 MH90 TL500-2
HRC 90H FCL160 KC6018 GE42 L099 NM128 MH115 TL500-1
HRC 110B FCL180 KC6571 GE48 L100 NM148 MH130 TL700-2
HRC 110F FCL200 KC6571 GE55 L110 NM168 MH145 TL700-1
HRC 110H FCL224 KC8018 GE65 L150 NM194 MH175  
HRC 130B FCL250 KC8571 GE75 L190 NM214 MH200  
HRC 130F FCL280 KC8571 GE90 L225      
HRC 130H FCL315 KC1571          
HRC 150B FCL355 KC12018          
HRC 150F FCL400 KC12571          
HRC 150H FCL450            
HRC 180B FCL560            
HRC 180F FCL630            
HRC 180H              
HRC 230B              
HRC 230F              
HRC 230H              
HRC 280B              
HRC 280F              
HRC 280H              

 

Catalogue

Workshop

   Lots of coupling in stock
 

 

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.
 

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

 

 

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reducer coupling

How to Properly Install and Secure a Reducer Coupling to Prevent Leaks

Proper installation and secure fastening of a reducer coupling are crucial to prevent leaks and ensure the integrity of the plumbing or piping system. Here are the steps to follow when installing a reducer coupling:

  1. Prepare the Pipes: Before installing the reducer coupling, ensure that the ends of both pipes are clean, smooth, and free from any debris or burrs. Use a pipe cutter or a hacksaw to achieve clean cuts.
  2. Apply Primer (For Plastic Pipes): If you are working with plastic pipes like PVC or CPVC, use a pipe primer to clean and prepare the pipe ends. The primer helps in removing dirt and contaminants while promoting proper adhesion of the solvent cement.
  3. Apply Solvent Cement (For Plastic Pipes): After priming (if required), apply a layer of solvent cement to the outside of one pipe end and the inside of the reducer coupling socket. Make sure to use the appropriate cement compatible with the pipe material.
  4. Align the Pipes: Insert one pipe end into the socket of the reducer coupling, ensuring that it is fully seated. Make sure the pipes are aligned properly, and there is no gap between the pipe end and the coupling socket.
  5. Mark the Joint: Use a marker to mark the joint between the pipe and the coupling. This will serve as a reference point for proper insertion during the final assembly.
  6. Secure the Coupling: If the reducer coupling has a slip-on design, push the coupling towards the marked joint until it is fully seated. For threaded reducer couplings, thread the coupling onto one of the pipes, ensuring a tight fit.
  7. Tighten the Fasteners: If the reducer coupling has fasteners, such as nuts and bolts, tighten them securely to create a leak-resistant seal between the coupling and the pipes. Use the appropriate tools to achieve the recommended torque.
  8. Inspect for Leaks: After installation, inspect the joint and the surrounding area for any signs of leaks. Turn on the water supply or the fluid being conveyed and check for any drips or seepage.
  9. Allow Cure Time (For Plastic Pipes): If you used solvent cement for plastic pipes, allow sufficient time for the cement to cure before subjecting the joint to pressure or stress. Follow the manufacturer’s instructions for cure time.

It is essential to follow the manufacturer’s guidelines and best practices for the specific type of reducer coupling and pipe material being used. Proper installation and secure fastening will help ensure a leak-free connection and maintain the overall integrity of the plumbing or piping system.

reducer coupling

Potential Limitations or Drawbacks of Using a Reducer Coupling

While reducer couplings are commonly used and offer advantages in certain applications, they also have some limitations and drawbacks that should be considered:

  • Flow Restrictions: Reducer couplings may create flow restrictions due to the change in pipe diameter, which can lead to increased pressure drop and reduced flow rates in the system.
  • Pressure Loss: When fluid flows through a reducer coupling, there is a pressure loss associated with the change in diameter. This pressure loss can impact the overall system performance, especially in high-pressure applications.
  • Mechanical Stress: The transition from a larger to a smaller pipe diameter in a reducer coupling can cause mechanical stress and turbulence in the fluid flow, potentially leading to fatigue and premature wear in the system.
  • Corrosion and Material Compatibility: If the reducer coupling material is not compatible with the materials of the connected pipes, it can lead to galvanic corrosion and deterioration of the coupling, reducing its lifespan.
  • Space Considerations: Reducer couplings add length to the pipeline due to their tapered design, which may require more space for installation and can be a constraint in compact or crowded installations.
  • Thermal Expansion: Differences in thermal expansion coefficients between the pipe materials and the reducer coupling material can cause stress and potential leaks at the joints during temperature variations.
  • Flow Turbulence: The abrupt change in pipe diameter at the reducer coupling can induce flow turbulence, affecting the efficiency of the fluid transport system.
  • Cost: In some cases, using a reducer coupling may require additional material and labor costs for installation, especially when transitioning between pipes of significantly different diameters.
  • Disassembly Difficulty: In situations where maintenance or repairs are required, disassembling a reducer coupling can be more challenging compared to other types of pipe fittings, particularly if it is permanently welded or glued.
  • Limitation in Transitioning Pipe Materials: Reducer couplings may not be suitable for transitioning between pipes with vastly different materials due to potential corrosion or compatibility issues.

Despite these limitations, reducer couplings remain valuable components for connecting pipes of different diameters in plumbing and piping systems. It is essential to carefully consider the specific requirements and challenges of the application to determine whether a reducer coupling is the best choice or if other types of pipe fittings would be more suitable.

reducer coupling

What are the Standard Sizes and Dimensions of Reducer Couplings?

Reducer couplings come in a variety of standard sizes and dimensions to accommodate different pipe diameters. The sizes and dimensions of reducer couplings are typically specified in terms of the nominal pipe size (NPS) and the outside diameter (OD) of the pipe.

For example, a common type of reducer coupling is a “concentric reducer,” where the center axis of the two pipe ends remains in line. The standard sizes of concentric reducer couplings include:

  • 1/2″ x 1/4″ NPS
  • 3/4″ x 1/2″ NPS
  • 1″ x 3/4″ NPS
  • 1-1/4″ x 1″ NPS
  • 1-1/2″ x 1-1/4″ NPS
  • 2″ x 1-1/2″ NPS
  • 2-1/2″ x 2″ NPS
  • 3″ x 2-1/2″ NPS
  • 4″ x 3″ NPS
  • 6″ x 4″ NPS
  • 8″ x 6″ NPS
  • 10″ x 8″ NPS
  • 12″ x 10″ NPS

It’s important to note that the dimensions of the reducer coupling, including the overall length and the transition length, may vary depending on the specific manufacturer and industry standards. The dimensions of reducer couplings are designed to ensure a proper fit between pipes of different sizes, allowing for a smooth flow transition without abrupt changes that could lead to turbulence or pressure loss.

Additionally, reducer couplings are available in various materials, such as PVC, CPVC, stainless steel, brass, and copper, to suit the compatibility requirements of different pipe materials and applications.

Before selecting a reducer coupling for a specific application, it is crucial to consider the pipe sizes, material compatibility, pressure and temperature ratings, and the joining method to ensure a proper and secure fit for the plumbing or piping system.

China OEM FCL Flexible Shaft Couplings for Reducer and Motor  China OEM FCL Flexible Shaft Couplings for Reducer and Motor
editor by CX 2024-02-24

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