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Back pressure drain rubber check valve

[source: unknown] [date: 2020-10-07 14:59] [heat: ]
Back pressure type blowdown rubber check valve is also called rubber duckbill valve. It is a maintenance free flexible check valve. The product has a "reverse flow" and "reverse flow" structure. According to the force analysis and force calculation, it adopts different design mechanism, selects different rubber formula and is made according to special process according to different working conditions. When working in positive direction, water flows in from the water inlet, and the valve can be opened with a small water pressure. The greater the water pressure, the greater the valve opening and the greater the water flow. When working in reverse direction, the valve port will be closed naturally, and the sealing check will be conducted. The greater the back pressure is, the tighter the valve port is, the better the sealing effect will be. It is widely used in municipal, water conservancy, sewage treatment and other water outlets, to prevent backflow, backflow, is an ideal product to replace the flap door.
Rubber check valve Species:
Flange type blowdown rubber check valve, built-in blowdown rubber check valve, sleeve type blowdown rubber check valve, floor drain type blowdown rubber check valve, aeration type blowdown rubber check valve, curved mouth type blowdown rubber check valve, pipeline type blowdown rubber check valve and back pressure type blowdown rubber check valve.
Gongyi Yuanda water supply material Co., Ltd. is a professional manufacturer engaged in the research and development of water supply and drainage equipment. The main products are: rubber joint, waterproof sleeve, expansion joint, force transfer joint, duckbill valve, expansion joint, compensator and other series of products. Tel: 0371-64030029, welcome to contact us!
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