Imports of cut-off valve stem and valve seat sealing surface perpendicular to the axis.
进口截止阀的阀杆轴线与阀座密封面垂直。
Open or close the valve stem travel relatively short, and very reliable cutting action, making this valve is suitable for medium and cutting off or regulating use.
阀杆开启或关闭行程相对较短，并具有非常可靠的切断动作，使得这种阀门非常适合作为介质的切断或调节及节流使用。
As the shut-off valve is seated, a passage 41 in its stem connects with ports 42 in the guide bushing 37 so as to allow inlet air to pass though the valve stem to a housing port 44.
在关闭阀是坐在座位上，一个通过41个在其干连接与港口42轴套在指南37，使空气入口，虽然通过的阀干，一个住房端口44。
VTLEBF01 electric high vacuum (pressure) ball valve USES electric device to drive the stem ball fopen close, thus to put through cut off the medium flow in vacuum (pressure) pipeline.
VTLEBF01型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
VTLEBF01 electric high vacuum (pressure) ball valve USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
VTLEBF01型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
GUD electric high vacuum (pressure) ball valve USES electric device to drive the stem ball fopen close, thus to put through cut off the medium flow in vacuum (pressure) pipeline.
GUD型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
GUD electric high vacuum (pressure) ball valve USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
GUD型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
GUD electric high vacuum (pressure) ball valve USES electric device to drive the stem and ball for open and close, thus to put through or cut off the medium flow in vacuum (pressure) pipeline.
GUD型电动高真空(压力)球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空(压力)系统管路中的介质流。
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