relief vent 中文意思是什麼
relief vent
解釋
安全通風管-
In such cases, provision should be made to always vent above flood level or for a pit drain to insure an adequate air gap below the relief port
如果放置在坑內,則應該採取措施使得排放總是在地面上,或對于坑內排放,要確保在安全閥下方配置一個適當的氣隙。 -
When a series 994 backflow preventer is installed for dead - end service applications, discharge from the relief vent may occur due to water supply pressure fluctuation during static no - flow conditions
當系列994防迴流閥安裝在終端應用場合時,由於在靜止無流動情況下水供應壓力波動可能會從安全閥排放口產生排放。 -
Relief vent will discharge water when, during no - flow periods, ( 1 ) the first check valve is fouled or ( 2 ) the inlet pressure to the device drops sufficiently due to upstream pressure fluctuations
如果在無流動期間,安全閥排氣口有水排出,則原因可能是, ( 1 )第一止回閥受到污染,或( 2 )由於上游壓力波動造成裝置的進口壓力下降太大。
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