off through valve的意思|示意

The rotating valve is connected with pressure cylinder which is connected with four shut off valves through one hydraulic lock.

转阀通过一个液压锁与增压缸相连。增压缸与四个闭锁阀相连。

Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.

进口蝶阀是指通过阀轴旋转来带动一个圆盘形的蝶板的转动，达到开启与关闭的一种阀门，在管道上主要起切断和节流用。

It's suitable for the small caliber valve nominal diameter: airproof test and strength test of DN15/100 flange type, through-type gate valve, cut-off valve and ball valve etc.

适用于小口径阀门通径：DN15/100法兰式、直通式闸阀，截止阀，球阀等阀门的密封测试和强度测试。

GD high vacuum flapper valve is used to put through or cut off the airflow in vacuum pipeline.

GD型高真空挡板阀用于接通或切断真空管路中的气流。

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。

The manual withdrawal device realizes the withdrawal and discharging on the withdrawal objects by driving the bottom frame and the blow off valve to move up and down through the pull rod.

本实用新型通过拉杆 带动底阀、排空阀的上、下运动，实现对抽取对象的抽取排出。