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H77X Wafer type butterfly check valve (wafer soft seal check valve)

H77X Wafer type butterfly check valve (wafer soft seal check valve)

H77X Wafer Type Butterfly Check Valve Performance Parameters: Model Nominal Pressure PN (MPa) Test Pressure PN (MPa) Operating Temperature (℃) Applicable Medium Housing Seal H77XH77HH77YH77W1.01.51.1 Soft Seal: <80 Hard Seal: < 450 water, gas, oil, nitric acid, etc. 1.62.41.762.53.752.754.06.04.46.49.67.0

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