Ecvv Trade
Henan Liwei Industry Co., Ltd.

China Manufacturer with main products: Rubber Joint, Expansion Joint, Rubber Expansion Joint, Compensator, Pipe Fitting, Rubber Lined Pipe, Valve, Bellows

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Used in Power Plant Rubber Expansion Joint

FOB Price: 10.00 - 600.00 USD/Set
Supply Ability: 3,000 Set/Sets per Month
Shipping: 7-40 days according to your requst
Payment Terms: L/C, D/P, T/T, Western Union, MoneyGram
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: used in power plant rubber expansion joint out package:wooden case inside package:plastic film and t

Quick Details

  • Structure: Single
  • Material: Rubber and carbon steel
  • Model Number: Rubber Expansion Joint
  • Brand Name: Liwei
  • Technics: Forged
  • Type: Flange
  • Connection: Flange
  • Shape: Equal
  • Head Code: Round
  • medium: Gas,oil,water,seawater,acid,alkali
  • raw mateial: IIR,NBR,CR,EPDM
  • PN: >0.1Mpa
  • Application: Chemistry,thermal power,nuclear power


 1.expansion joint  introduction: 

Product Performance 

Relying on rubber's special performances as long range elasticity, air impermeability, medium, climate and radiation resistance, expansion joint is manufactures through combination of inclined polyester cord fabric with high strength and cold and hot stability and molding cross linking under high pressure and temperature,it has high density inside and can bear high pressure and has excellent elastic deformation. The product's structural design in cross section arc height, curve length owns multi-functional displacement. Especially, it is suitable to be used where there are complex geologic conditions and large sedimentation range and frequent cold and hot changes that will damage pipes inside pipes. It can remove physical damage of displacement of pump, valve and pipes through rubber's flexible gliding shift and distorting mechanical heat transfer and

radiation. Rubber is a kind of low conduction material, so it can be an ideal product for medium in tests and never rusts either. Therefore, maintenance is not necessary in valid operation period.

Application Range       

     Equipped with the excellent comprehensive performances of expansion joint, the product can be used for lift and transportation of raw water and sewage, transportation of water supply, cooling cycle water of thermal power plant, condensate water of metallurgy industry and chemical materials of chemical industries, cooling and dilution of oil and chemical industries and flexible connection of other industries. It is also suitable to transport all grain and powder material and gas for its high abrasive resistance.

     In addition, special notifications are hereby conducted for design units and clients so as to ensure the project quality, please note to install anti-break stop device, if our products are designed to install close to pump exit nozzle and pipes' corner. If your pipes need to be buried, please use our patent-buried protective devices. In a word, remark requirement for use, and we will provide satisfactory service to you.

2.expansion joint parameter form :





Test value

Inner rubber

Outer rubber


≥Tensile strength(MPa)





≥Break strength (%)





≤Break permanent deformation (%)





≤Brittleness temperature(°C)










Aging hot air   (100°C×48h)

Tensile strength change (%)




Tensile rate change (%)





≥Acid resistant10%H2SO4×168h





≥Alkali proof10%NaOH1×68h





Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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