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Wafer Check Valve
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sw gate valve, valve price list, |
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What is a Wafer Check Valve?
Wafer check valves are in-line piping valves used to control fluid flow direction and reduce or fully prevent possible back flow within plumbing systems. Wafer check valves are also known as clack valves, reflux valves, non return valves and one way valves. This valve type has been engineered to automatically eliminate the fluid flow reflux that can occur whenever a process system is shutdown. These valves feature a hinged, flap-like disk (the wafer) that is used to allow and restrict liquid flow. This disk only opens in one direction and closes shut under back pressure to seal the valve against opposing fluid flow. Wafer check valves require a minimum amount of system fluid pressure to operate. The check opens whenever upstream pressure is greater than downstream pressure and closes whenever downstream pressure exceeds upstream. Thermoplastic wafer check valves are acceptable for non compressible liquid applications only and should never be used for pneumatic, gas or compressible liquid type scenarios.
Advantages of Wafer Check Valve
ZECO wafer check valve is simple in design because the wafer connection is named and consists of body, disc, spring and shaft pin components. Due to the short closing stroke of the wafer check valve and the quick closing by the spring, the i***ct on the water hammer can be significantly reduced. The wafer check valve can also be divided into wafer type lifting check valve, wafer type dual plate check valve and wafer type single plate check valve.
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| Company: |
ZECO VALVE GROUP CO., LTD.
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| Contact: |
Mr. ZECO com |
| Address: |
No.3999, Cao'an Road, JiaDing District, Shanghai, China |
| Postcode: |
200080 |
| Tel: |
86-21-59599008 |
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