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Low price for Flange Joint - BSP Expansion Joint – Hongbang

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Good quality comes to start with; service is foremost; organization is cooperation" is our enterprise philosophy which is regularly observed and pursued by our firm for 5k Check Valve, Rubber Expansion Joint, Made In China Gate Valve, Wanting on the long run, a protracted way to go, continually striving to become the all team with full enthusiasm, one hundred times the confidence and put our company created a beautiful environment, advanced merchandise, good quality first-class modern business and get the job done hard!
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Rubber Expansion Joint

Surface of the waveform compensating element is rubber, and the inner layer is a sandwich reinforced with several layers of strong fiber or steel tape (wire). A reinforcing sandwich, such as a reinforcing fiber or steel strip (wire), extending to a gelatinlike flange at both ends with a hard steel wire frame inside the flange. The rubber expansion joint has a large displacement compensation ability, can be axial, transverse and angular displacement compensation, noise reduction, vibration reduction and a certain anti-corrosion ability. Its high pressure resistance, good elasticity, large displacement, vibration absorption and noise reduction effect, convenient installation and other characteristics, can be widely used in water supply and drainage, HVAC, fire fighting, compressor, papermaking, pharmaceutical, shipping, water pump, fan and other pipeline systems.

Selection of flexible rubber joint:

Structure diagram

Structure diagram

1. Conventional application temperature of rubber joint is -200~70℃. The instantaneous temperature can reach 115℃, and the service temperature is 70~115℃.

2. Flange rubber joint, in the working pressure and high working temperature (diameter of more than 200, temperature of more than 70℃, working pressure of more than 1.5Mpa), can choose the flange rubber joint equipped with limit device.

3. For the rubber joints connected with flanges, the bolts connecting the flanges should be connected from the inner side of the flange to the two ends of the flange respectively, and the washers or spring washers should be handed in. The bolts should be tightened diagonally gradually.

Rubber joint connected by the live joint should not be replaced at the left and right ends during installation, so as not to cause leakage or damage of the product.

ok valve rubber expansion joint

ok valve Rubber Expansion Joint production process-2


Product detail pictures:

Low price for Flange Joint - BSP Expansion Joint – Hongbang detail pictures

Low price for Flange Joint - BSP Expansion Joint – Hongbang detail pictures

Low price for Flange Joint - BSP Expansion Joint – Hongbang detail pictures

Low price for Flange Joint - BSP Expansion Joint – Hongbang detail pictures


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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for Low price for Flange Joint - BSP Expansion Joint – Hongbang , The product will supply to all over the world, such as: Finland, Portugal, Bandung, Our Company has professional engineers and technical staff to answer your questions about maintenance problems, some common failure. Our product quality assurance, price concessions, any questions about the products, Please feel free to contact us.
  • This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Melissa from Porto - 2017.03.07 13:42
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Yannick Vergoz from Madras - 2018.12.11 14:13
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