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| Product Name: |
clamp type rubber duckbill check valve
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| Supply Ability: |
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| Related proudcts |
check valve, |
| Specifications |
NONE |
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1. Introduction:
Duckbill check valve is a new water supply and drainage valve with full rubber structure, duck-mouthed appearance and functions of positive flow-in and reserve cut-off. According to thrust analysis and calculation as well as different operation conditions, it is manufactured with different design mechanism and different rubber products by special processing, At positive operation the water flow inform entrance and the valve will be open at weak hydraulic pressure. the hydraulic pressure is higher .the valve gate will open more greatly and the water flow is greater ,At reserve operation, the valve gate closes naturally and seals tightly cut-off valve, the back pressure is higher, the valve gate closes more tightly and the seal effect is better. It is used widely in various drainage exits to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc, it is the ideal product to replace flap valve.
Clamp type rubber duckbill check valve introduction:
Clamp type rubber duckbill check valve should be installed in the valve body part adopts the design of sleeve, sleeve into the matching connection pipe, pipe and sleeve lining can besmear water glue sealing, and use the stainless steel clamp. Clamp should add gasket between the bayonet, spelling a tight link bolt, if using auxiliary liner, connection, secondary liner and reserved pipe seal welding, pay attention to when the nominal diameter is larger than the DN800, because of its high body weight, combined with the work, the body a lot of water in the abdominal cavity and flow i***ct, must increase the supporting rod, lift the body to keep stable for a long time. (Above DN800, the body has the rings).
2.Characteristics:
The advantages is specially marked in co***rison with traditional duckbill check valve :
a) Open and close automatically in security and reliability according to hydraulic difference without noise and in no need of operator and maintenance.
b) Positi |
| Company: |
HENAN LIWEI INDUSTRY CO.,LTD.
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| Contact: |
Ms. macey liu |
| Address: |
mengjin road 68,shangjie district |
| Postcode: |
450041 |
| Tel: |
86-371-67447999 |
| Fax: |
86-371-67447888 |
| E-mail: |
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