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Quick Details

  • Material: Rubber, Carbon Steel
  • Technics: Forged
  • Type: Flange
  • Place of Origin: Henan, China (Mainland)
  • Model Number: GJQ
  • Brand Name: LIWEI
  • Connection: Flange
  • Shape: Equal
  • Head Code: Round
  • Brand name: Liwei
  • Name: Rubber Damper Pipe Expansion Joint
  • Certificate: ISO9001&ISO14001
  • Lenghth: 3.6''-22''
  • DN: 1.28''-144''
  • Applicable Media: air,water,gas,weak acid and weak alkali, etc.
  • Temperature: - 30 °C to 250 °C
  • raw mateial: IIR,NBR,CR,EPDM
  • application: chemistry,thermal power,nuclear power
  • Color: Black, Red, Blue, Green

Packaging & Delivery

Packaging Details Rubber Damper Pipe Expansion Joint is packed by Fumigation-Free Wooden Case (out package), Plastic Film and Textile Membrane(inside package). We can make change as your request.
Delivery Time Shipped in 10 days after payment


Product Description





Henan Liwei Industry Co., Ltd:

1. Since 1988, Top 3 manufacturer of rubber expansion joint in China;

2. The Main Drafting Committee of National Standard for Expansion Joint; 

3. Qualified Supplier for Nuclear Power Plant;

4. ISO9001:2008 and ISO14001:2004 Certified.

Product Performance:

a) Structure: Rubber expansion joint is the soft joint of metal pipes, and consists of inner rubber, nylon cord fabric, outer rubber and metal lap joint flanges.

b) Technology: We introduce advanced technology from abroad, and combine it with Chinese manufacture experience. In the manufacturing process, the inner side endures high pressure; nylon cord fabrics and the inner rubber are better combined and can work under higher pressure than normal flexible rubber expansion joint.

c) Features: The inner adhesive layer united perfectly, bright, clean and seamless; the tag adopts the vulcanization process, perfectly matches the product. The products endure high pressure, maintain good elasticity, make large displacement to balance pipe deviation, absorb vibration, make less noise and have easy installation, etc.

Application Range:

a) Application: Rubber expansion joint is widely used in the pipe systems for water supply, drainage, circulating water, HVAC, fire protection, paper making, pharmacy, petroleum chemical industry, ship piping system, water pump, compressor and fan etc.

b) Applicable Media: The normal type is used to transport air ranges from - 15 °C to 115 °C, compressed air, water, sea water, oil, acid and alkali etc. The special type is used to  transport the media above ranges from - 30 °C to 250 °C, oil or strong alkali, strong acid and solid material.

This is the picture of Rubber Expansion Joint produced by Liwei. We can manufacture to specific customer specifications and dimensions on request. 

Material List of  Rubber Damper Pipe Expansion Joint :

We are able to produce Rubber Expansion Joints range from DN 32(1.25'')-to DN 3600(144'').                                    

                             Material List






























Packaging & Shipping


Our Services

 Quality Test:

We have strict quality control system, and our first priority is high quality.

Application Cases of Liwei Pipe Fittings:

Our products have been used in nuclear power plant, and the quality of our products is guaranteed.

Why us:

Henan Liwei Industry Co.,Ltd. is a leading manufacturer of rubber expansion joint in China. We have:

(1) Strong R&D strength;

(2) Strict Quality Control System;

(3) Perfect Test System;

(4) Professional After-sale Service Team;

(5) OEM Service.

We are your qualified supplier and reliable friends!

Thanks for your attention. For more information, please feel free to contact us.


Company Information

 Henan Liwei Industry Co., ltd. (the former Zhengzhou Liwei Rubber Products Co., Ltd.)  located at Shangjie District. Zhengzhou city is a manufacturer specializing in processing various steam, water, windpipe expansion and compensation joints, and a main base for producing rubber, metal and non-metallic pipe joints, It is also the appointed enterprise by the former chemical industry ministry, national construction ministry and general petrol chemical company member unit China Water Supply Association and power Equipment Network Union, and joints production unit recommended by China Water Association and National Metallurgy Ministry.

        Our Liwei brand flexible rubber joints have various heavy calibers, type and high quality in the county, The products series have won four patents and our company is named “Quality and Credit Unit” by Henan Province, Our product have become the first choices for national power design ,municipality and metallurgy units.

         At present, our product include four serial flexible rubber jointsthree types, tens of standard and common specification, eight series of metal pipe loosing compensation joints and fourteen standard specifications and types, eleven types of standard and common specification products for serial wind pipe non-metal compensatorsOur annual comprehensive production capacity can reach over forty thousand sets and we also process various pipe joint matching flat welding flanges (steel international/non-international standard). Our products have been sold in over thirty cities and autonomous regions, With China’s entry to the WTO; our products have been exported to foreign countries as Italy. Spain, Pakistan. Singapore and East European countries, etc, and the products have been become public famous brand products for design units and clients.

          Insisting on the rennet “Development Through Technology, Making More Friends, Creating Green Environment and Responsible for Future”, the company has been devoting itself to creating top products and well serving all clients around the world, Liwei brand products will be a red line between we and the clients for ever.



Our Advantages:

(1)More than 24 years experience of manufacture

(2)The Main Drafting Units of Chinese Standard flexible rubber joint

(3)Compensator engineering research center of Zhengzhou city.

(4)Member of CNEA(China Nuclear Energy Association )

(5)ISO9001:2008 and ISO14001:2004 certificated by CNAS(China National Accreditation Service for Conformity Assessment)

(6)The largest vulcanizing equipment in China.

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