截止止回阀(stop-check valve)兼有截止阀和止回阀功能的多用阀门。它的结构形式与截止阀相似,但阀杆与阀瓣不是固定联接。当阀杆下降将阀瓣紧压在阀座上时,起截止阀作用;阀杆上升后,则起止回阀作用。在同时需要安装截止阀(或闸阀)和止回阀的管道上(如水泵的出口端),或在安装位置受到限制的场所(如船舶),使用截止止回阀可节约安装费用和空间位置。 截止止回阀
... screw-down stop valve 螺杆向下止动阀 screw-down non-return valve 截止止回阀 Screw-down crown, pushers and caseback 螺旋式表冠 ...
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... 多用阀 Multipurpose valve 截止止回阀 Serew-down stop check valve 截止止回节流阀 Serew-down stop check and throttle valve ...
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... 07 敞口向下浮子式蒸汽疏水阀 Inverted bucket steam 02 截止止回阀 Serew-down stop check 03 截止止回节流阀 Serew-down stop check and throttle ...
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介绍了差压式截止止回阀的结构、性能和设计要点。
To introduce the structure, performance and design of the differential stop check valve.
泵吸入管路底部应安装截止止回阀,确保其操作灵活。
Check valve should be installed in the bottom of suction pipe of pump to make sure operation is prompt.
图中所显示的是Y型截止止回阀和隔断闸阀排泄的正确方法的典型安装位置。
The proper method for draining both Y-pattern stop-check valves and isolation gate valves is shown for typical mounting positions.
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