reverse flow divider valve 逆流分流管阀
reverse flow check valve 逆流单向阀
orificed reverse flow check valve 阻隔倒流单向阀
Reverse Flow Control Valve 反流检查控制活门
Export pump with check valve, it will immediately turn off to prevent reverse flow back high-pressure water pump.
水泵出口装有逆止阀时，它会立即关闭，防止高压水反向流回水泵。
Purpose: To test valve No. 1 for tightness against reverse flow.
目的：检测1号止回阀对于回流的密封性。
Requirements: Valve must be tight against reverse flow under all pressure differentials.
要求：在所有压差下，阀门对于回流必须是密封的。
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