delivery y valve 输送阀
butterfly y valve 蝶阀 ; 蝶形阀 ; 蝴蝶阀
rotary y valve 回转阀 ; 球阀
key y valve 楔阀
standby y valve 应急阀门
chimney y valve 烟道阀
The procreative blanking plug of the "Y type" pipe string has check valve function and it can conveniently for reverse circulation well cleanup.
型管柱中的生产堵塞器具有单流阀作用，可方便进行反循环洗井；
The Y-pattern style has a minimal pressure-drop, even when compared with a conventional upright style globe valve.
形压降最小，即使与通用的直立式截止阀比较也是如此。
Both styles of Chemtrol Globe Valves, the Angle and the Y-pattern, utilize interchangeable components within any given valve size.
Chemtrol截止阀具有两种类型，角形和Y形，可以在任何所给通径的阀门范围内使用可互换部件。
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