China best Good Sale Factory Direct Sale Universal Flexible Flange Coupling

Product Description

Product Description

 

      The flange adaptor is mainly composed of body, gland,sealing ring and bolts. The body and gland are usually made of carbon steel or ductile iron, and the sealing ring is made of CHINAMFG sealing, which has good water tightness and air tightness.Supporting the use of expansion joints and butterfly valve, the flange surface between the axial extension and radial angular displacement, position and angle to compensate the error of pipe flange, eliminate the internal stress caused by pipeline pipeline temperature, bring great convenience to the installation and maintenance of pipelines.

 

Product Parameters

 

 

time description material quantity
1 end  ring stainless  steel 1
2 gasket EPDM 1
3 bolt stainless  steel N
4 body stainless  steel 1
5 plastic cap plastic N

 

Connection for pipes in material ductile iron,steel,PVC,AC etc.
Working pressure  PN10/16/25
Maximum temperature -10ºCto +70ºC
Application   Suitable for portable water, neutral liquidsand sewage

 

feature

wide tolerance  range
corrosion  resistant  construction
angular deflection ±4°
 

DN(mm) RANGE(mm) LENGTH(mm) D(mm)              BOLT
SIZE  QTY
50 59-72 75 165 M12×130 2
65 72-85 75 185 2
80 88-103 76 185 4
1/8822 0571 110 510
400 400-429 110 580
400 410-436 110 580
400 418-435 110 580
400 425-442 110 580
450 455-472 115 640 10
450 476-493 115 640
500 500-432 120 690
500 527-544 120 690
600 600-630 130 820
600 630-647 130 820

 

Special size and length can also be customized.

If you want to know more details of our products,please click here to contact us 

advantages

1. Installation and dismantling are very convenient.
2. Low price
3. Has a high integrity.

 

 

products application

Packaging & Shipping

 

Packaging

Inner:plastic film packaging.

Outer:standard export wooden case or pallet packaging. 

Shipping

1.Fed Ex/DHL/UPS/TNT for sample.Door-to-Door.

2.By Air or By Sea for batch goods for LCL/FCL;Airport /Port receiving.

3.Customers specified freight forwarders or negotiable shipping methods!

4.Delivery Time: a.in stock:immediately b.sample:2 days c.OEM/ODM:3-15 DAYS.

 

Company Profile

 

     HangZhou Ruixuan pipeline equipment factory was founded in 1996.It  is an excellent  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s located  in Xicun village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The company factory  is located  in Xicun town pipeline equipment industrial park.It covered an area of20000  square  meters.

        At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.

      The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.

      The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.

     Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!
 

Certifications

 

 

exhibition

 

FAQ

 

 

Q: Can you make the product as per client’s requirement?
A: Yes, we can make it with your exact requirement

 

Q: What are your payment terms?
A: T/T (30% as desposit, the rest 70% will be paid before delivery), L/C at sight

 

Q: Where is your nearest loading port?
A: ZheJiang , HangZhou or ZheJiang , China.

 

Q: How can you guarantee the quality or any warranty?
A: If any quality problems during use, all the products can be returned or according to consumer’s requests

 

Q: Do you accept small quantity order?
A: Of course we do.

 

Q: And what is your shipment and delivery time?
A: By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity.

 

Pls send your detailed needs in the below and get a quick reply!

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flexible flange coupling

Materials Used in Manufacturing Flexible Flange Couplings and Their Impact on Performance

Flexible flange couplings are commonly manufactured using various materials, each offering specific properties that can impact their performance in mechanical power transmission systems. The choice of material depends on factors such as application requirements, operating conditions, torque and speed demands, and environmental considerations. Some of the commonly used materials and their impact on performance are as follows:

  1. Elastomeric Materials (Rubber, Polyurethane, etc.): Elastomeric materials like rubber and polyurethane are widely used in flexible flange couplings. These materials provide excellent flexibility, which allows them to handle misalignment and dampen vibrations effectively. They can also absorb shocks and reduce transmission of torsional vibrations between shafts, contributing to smoother operation and reduced wear on connected machinery. However, elastomeric couplings may have limitations in high-temperature or aggressive chemical environments.
  2. Metal Alloys (Steel, Stainless Steel, etc.): Metal alloys, such as steel and stainless steel, are preferred when higher torque and load-carrying capacities are required. They offer superior strength and durability, making them suitable for heavy-duty applications. Stainless steel is particularly resistant to corrosion and is often used in harsh or corrosive environments. Metal couplings may not provide as much flexibility as elastomeric ones, but they compensate with higher torque transmission capabilities and increased reliability.
  3. Composite Materials (Fiberglass, Carbon Fiber, etc.): Composite materials are gaining popularity in various industries due to their unique combination of properties. They can offer a balance of flexibility and strength, making them suitable for applications where both misalignment accommodation and high torque transmission are necessary. Composite couplings are often lightweight, which can be advantageous for reducing the overall weight of rotating systems.
  4. Plastics (Nylon, Delrin, etc.): Plastics are sometimes used in less demanding applications where cost-effectiveness and low friction are essential. While they may not provide the same level of performance as elastomeric or metal couplings, they can still serve adequately in specific settings with lower torque and speed requirements.

The choice of material for flexible flange couplings must consider factors such as application-specific needs, environmental conditions, temperature range, chemical exposure, and maintenance requirements. It is essential to select a coupling material that matches the demands of the application to ensure optimal performance, longevity, and reliability.

flexible flange coupling

Comparison of Flexible Flange Couplings with Other Coupling Types

Flexible flange couplings, elastomeric couplings, and beam couplings are all popular choices for transmitting torque and accommodating misalignment in mechanical systems. Each type has its unique features and advantages, making them suitable for various applications. Here’s a comparison of flexible flange couplings with elastomeric and beam couplings:

  1. Flexible Flange Couplings:
    • Design: Flexible flange couplings consist of two flanges with flexible elements (often rubber or polyurethane) connecting them. The flexibility of the coupling allows it to accommodate angular, axial, and parallel misalignments.
    • Misalignment Compensation: Flexible flange couplings can handle moderate to high levels of misalignment, making them suitable for applications where misalignment is expected.
    • Torque Capacity: They generally have a high torque capacity, making them suitable for high-power applications.
    • Backlash: Flexible flange couplings can have minimal backlash, ensuring accurate and precise motion transfer.
    • Performance: They provide damping of vibrations, reducing resonance in the system and minimizing wear on connected components.
    • Installation: Flexible flange couplings are relatively easy to install and require minimal maintenance.
    • Applications: They are commonly used in industrial machinery, power transmission systems, and applications with moderate to high misalignment requirements.
  2. Elastomeric Couplings:
    • Design: Elastomeric couplings use an elastomer (rubber) element to connect two hubs. The elastomer provides flexibility for misalignment compensation.
    • Misalignment Compensation: Elastomeric couplings can handle angular and parallel misalignments but have limited axial misalignment capabilities.
    • Torque Capacity: They have a moderate torque capacity and are suitable for applications with lower torque requirements.
    • Backlash: Elastomeric couplings can have some level of backlash, which may impact precision in certain applications.
    • Performance: They provide damping of vibrations and shock absorption, protecting connected components from damage.
    • Installation: Elastomeric couplings are easy to install and require minimal maintenance.
    • Applications: They are commonly used in pumps, compressors, and applications where dampening of vibrations is crucial.
  3. Beam Couplings:
    • Design: Beam couplings consist of a single piece of material with spiral cuts that provide flexibility for misalignment compensation.
    • Misalignment Compensation: Beam couplings can handle angular misalignment but have limited capabilities for parallel misalignment.
    • Torque Capacity: They have a moderate torque capacity and are suitable for applications with moderate torque requirements.
    • Backlash: Beam couplings typically have low or zero backlash, making them ideal for applications requiring precise motion transfer.
    • Performance: They offer good torsional stiffness and high torsional strength.
    • Installation: Beam couplings are simple to install and require little maintenance.
    • Applications: They are commonly used in small motors, robotics, and applications with tight space constraints.

Ultimately, the choice between flexible flange couplings, elastomeric couplings, or beam couplings depends on the specific requirements of the application. Factors such as the amount of misalignment, torque capacity, backlash tolerance, and the level of vibration dampening needed will influence the selection process. It’s essential to carefully consider the operating conditions and performance characteristics to ensure the coupling chosen optimally meets the demands of the mechanical system.

flexible flange coupling

Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems

When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:

  • Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
  • Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
  • Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
  • Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
  • Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
  • Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
  • Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
  • Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
  • Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
  • Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.

Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.

China best Good Sale Factory Direct Sale Universal Flexible Flange Coupling  China best Good Sale Factory Direct Sale Universal Flexible Flange Coupling
editor by CX 2024-04-04

flexible flange coupling

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