venting device

基本解释

For a specific design type, at least one production venting device of every size shall be flow tested.
對於特殊的設計類型，至少一個産品的的每一個型號的防空設備都需要流量測試。
The device is readily removed and installed at ambient pressure without venting the mass spectrometer.
該設備易於在環境壓力下安裝和拆除，而不用對質譜儀抽氣。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
對與容器連通的進口琯，要使用其通過阻斷閥時的壓力降。在確定這些壓損時，必須要考慮進口琯線和放空裝置的上遊線路。