止回阀 Check valve ; [机] non-return valve ; check valve
旋启式止回阀 Swing Check Valves
立式止回阀 Vertical Lift Check Valves
对夹式止回阀 Wafer Check Valves ; wafer check ; Wafer type check valve
升降式止回阀 Lift Check Valves ; Aetv Lift Check Valve
切断式止回阀 stop check valve ; non-return valve
蝶式止回阀 butterfly check valve ; Butterfly swing check valve ; butterfly check, dual-plate wafer-type check
球形止回阀 [机] ball check valve ; ball non-return valve
蝶式缓冲止回阀 Butterfly Type Non-slam Check
锅炉止回阀 [动力] boiler check valve
可安装止回阀或订制自带止回功能的阀。
Can be installed or custom built non-return valve function of the valve.
可安装止回阀或订制自带止回功能的阀门。
Can be installed check valve or custom comes with a return function of the valve.
此外，第一和第二止回模块是相同的，可以互换。
Also, the first and second check module are identical and can be interchanged.
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