Take you to understand rubber joints

March 23, 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.Nominal Diameters:


2.Rubber material:
3.Flange material:
SS,CS,ductile iron,PPH(PN10,PN16)
4.Flange standard:


Gongyi Runda Pipeline Manufacturing Co.,Ltd. is located in Xicun village pipeline equipment industrial park, Xicun town, Gongyi city, Henan province, China mainland,our company registered trademark "runtaida".

The main products are: rubber expansion joint, repair clamp, bellow expansion joint, flexible metal hose, double flange dismantling joint, flange adaptor, dresser coupling, fabric expansion joint, etc.

Our mission is to make the pipeline operation safer.

Our values:Quality first, service first, integrity and responsibility;Loyal to the goal, efficient execution, trust and cooperation.

Choosing us is choosing to rest assured and trust.

Welcome to contact us for advice and order.

Gongyi Runda Pipeline Manufacturing Co., Ltd.













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