Henan Liwei Industry  Co., Ltd. is a professional manufacturer of water supply and drainage materials. Our main products include Single/Double Sphere Rubber Joint, expansion joint, Ball Joint, Flange, steel dismantling joint, Carbon Steel/Stainless Steel Metal Expansion Joints, Fabric Expansion Joints, valve parts, pipe parts, various kinds of stainless steel compensators, duct fabric compensators, advanced soft sealing gate valves and flange butterfly valve.

Rubber sewage check valves can prevent floods and sewage flow backward to the sewers in the street and basement, avoid big losses, when the water level rises, the flood flow backward to the sewage treatment plant, drainage pumping station; Stop the spread of the smell of the sewage or the fluid with peculiar smell , and can be readily drainage; During the rainy season, can prevent the urban river flood from sewage irrigation to street; Quality is better than that of flap valve and overcomes some defects such as closed lax of flap valve.

Main features of rubber sewage check valves: rubber flange and the valve body is an organic whole, convenient in installation. Body adopts full rubber design, does not cause sedimentation and things stuck phenomenon occurrence, reduces the maintenance costs, and allows the solid particles to pass through. Body manufacturing material: neoprene, drugs, NBR rubber and EPDM rubber, etc.; The flange material: Q235, 304,316, etc.

Rubber sewage check valves can be devided into socket type, Mosaic pattern, embedded style, flange style, sub-plate mount, mortar or concrete pipes style. Rubber sewage check valves is widely used in waterproof system, discharge system, the exit of water pump, pumping station and submerged aeration system.

Liwei  enjoys a good reputation for good quality and low price. We sincerely welcome all friends from different industries to cooperate with us. We also believe we can establish long term cooperative relationship and create a bright future with you.