Duck-billed rubber check valve installed pipe end, used for sewage discharge system, and human activities, and the storm discharge, coastal city, start-stop back. Pressure when the valve is in the pipeline pressure is greater than outside the Industrial Valves, the pipeline internal pressure forced the duck mouth open to discharge. When the valve is outside the back pressure is greater than valve in the pipeline pressure, the duck mouth shut down automatically, put an end to any backup. Duck-billed rubber check product figure

1 duck-billed rubber check valve technology parameters, the opening pressure: opening pressure is small, usually forward and reverse water head for more than 10 mm can open the Industrial Valves, and head loss is minimal. 2, close the pressure: when the external pressure is greater than valve in the pipeline pressure valve, the duck mouth will automatically shut down, prevent backflow. Usually in 3 m deep water basic without leakage, in 8 m deep water Industrial Valves can still work normally. 3, working temperature: - 20 ~ 80 degrees, suitable medium: raw water, sea water, sewage. Duck-billed rubber check valve manufacturer recommendations
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