Thus the valve control valve flow capacity than the average large and no leakage in the range of allowable pressure shut-off valve can be used.
因而阀流通能力比一般调节阀大且无泄漏，在许用压差范围内可作切断阀用。
Intercept the fluid medium upstream of the valve to be inspected with a shut-off valve and ensure that the subject valve is not under pressure (vent downstream, if necessary).
截取阀门上游的流体介质，用一个关闭阀门来进行检测，确保相关的阀门不处在压力下(如果必要的话，排除下游的流体介质)。
Oxygen flows through the pressure reducing regulator and shut off valve to the masks.
氧气通过减压调节器和关断活门流向氧气面罩。
If the loading platform is feeding material stop feeding immediately. shut off nitrogen valve and release pressure of tank car.
若装车平台正在压料，应马上停止压料，关闭氮气阀门，对槽车进行泄压。
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。
Featured by tight shut-off, this kind of control valve is suitable for applications with relatively low differential pressure. It is suitable for controlling medium flow or pressure.
该类型调节阀适用于工况压差较小的场合，关闭严密，适用于对介质流量或者压力的调节。
The low pressure header and each branch shall have a 6 mm minimum, non ferrous shut off valve for each instrument requiring an air supply and a compression coupling for each air purge connection.
低压头和每个分支应为6毫米，非铁关断阀在每个送风和空气净化压缩为每个连接耦合仪器最低要求。
The low pressure header and each branch shall have a 6 mm minimum, non ferrous shut off valve for each instrument requiring an air supply and a compression coupling for each air purge connection.
低压头和每个分支应为6毫米，非铁关断阀在每个送风和空气净化压缩为每个连接耦合仪器最低要求。
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