2.easy installment and simple maintenance
3.high flexibility and adaption
For Industrial Usage Rubber Expansion Check Valve
Manufactured with an integral reinforced rubber flange complete with metal backing rings, the ZHW series can be bolted directly to a headwall, tank wall or pipe flange.Rubber duckbill check valve is a new water supply and drainage valve with full rubber structure.It pays special attention to the direction of media flow, media should be the normal flow direction And the direction of the arrow indicated on the valve body is consistent, otherwise you will cut off The normal flow of media.
1. Provides 100% shutoff, even where debris is present and in large sizes. (Important for odor control applications). 2. Low cracking pressure. Drainage under low head. 3. Minimal head-loss allows greater flow, saves pumping costs. 4. Head-loss can be customized to meet customer needs. 5. Low installation cost, just slip it on or flange. 6. Maintenance costs reduced.
Main connecting dimension:
Valve port stair(mm)
1 1/2~2 1/2
This valve is also our leading product just like another kind of duckmouth check valve, and it is used for draining sewage. In such foreign countries as Spain or America, it is usually named as duckmouth-shaped valve. We are continuously doing our best to make this valve more practical and more perfect. The valve can be matched with straight pipeline, flange pipe, cement pipe. At the same time, they may be widely used on the coast, seasands, reservoirs, and so on in order to dispose the sewage or to dredge the floods. Indeed, it is environmentally-friendly valve.
1) We can produce the cargos according to customers’ drawings
Established 1998,Zhengzhou Bihe Co.,Ltd is located in Zhengzhou city, China, with registered capital of 1 million yuan, which is invested according to the modern enterprise system by Gongyi Wanda Supplying and Draining Water Co., Ltd. Now it has characteristic of import & export manufacturer & trader.
We have 2 factories, one produce pipeline expansion joints (also known as rubber expansion joints, flexible rubber joints, pipe fittings,etc), and the other branch company is ISO9001:2000 ... View detail