Exported a batch of large diameter rubber joints to Indonesia

January 05, 2024

Rubber expansion joints consist of inner and outer rubber, nylon cord fabric and pressurized ring. which are vulcanized and then combined with metal flanges or loose sleeves of parallel joints. This product can reduce vibration and noise, and compensate thermal expansion and contraction caused by temperature change. It is widely used in various pipeline systems.

1.Up to 55% rubber content
2. Service life up to 4 years
3. many layers of cord fabric, and the steel wire is positioned to prevent it from being pulled off
4.withstand positive pressure of 40kg and negative pressure of 1kg
5. temperature resistance from -30 °C - 150 °
6. water pressure test 1.5 times for 2 hours, no water leakage and good sealing performance
7.strong acid and alkali resis-tance, wear resistance, oil resistance, over food
8.More than 2000 sets of molds with diameters from DN15 to dn4000 can be produced, with many special lengths and can be customized (including connection mode)

The range of size from DN15 to DN4000 are all available.

If you want to know more details of our products, pls contact us !

Gongyi Runda Pipeline Manufacturing Co., Ltd.
















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