return check valve 中文意思是什麼
return check valve
解釋
回油單向閥-
Once the pressure of the main network returns to normal, the valve flap of drainage outlet closes under pressure, first, second level check valves open, the main network return to supply water to branch pipeline
一旦主管網壓力恢復正常,排污口閥瓣受壓關閉,一二級止回閥打開,主管路恢復向支管供水。 -
Non - return ( stop - check ) valves provide the same function as a globe valve with the addition of providing piston - lift - check valve protection in the event of backflow
逆止閥(截止止回閥)具有與截止閥相同的功能,還有活塞提升式止回閥的功能,防止出現意外的迴流。
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