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Flanged diaphragm valve

2015-08-21View Original

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There is a saying in the industry that the flange of a diaphragm valve should be one grade higher; for example, a diaphragm valve rated at 0.6 MPa should be equipped with a flange rated at 1.0 MPa. Why is this? I hope experts from all over can help answer this. Thank you! :handshake
Reply #22015-08-21
All valves are like this, with a margin built in for safety reasons

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