single sleeve valve 中文意思是什麼
single sleeve valve
解釋
單套閥-
The reduced pressure detector assembly shall consist of two independent torsion spring check modules, a differential pressure relief valve located between and below the two modules, two drip tight shutoff valves, and required torsion spring check modules and relief valve shall be contained within a sleeve accessible single housing constructed from 304 ( sch 40 ) stainless steel pipe with groove end connections
這種減壓檢測器總成應該包括兩個獨立扭力彈簧止回閥模塊,一個位於兩個模塊之間的下方的差壓安全閥,兩個防滴漏關閉閥,並且要求扭力彈簧止回模塊和安全閥應該放置在一個套筒內,要易於接近帶溝槽連接的304 (目錄40 )不銹鋼管的單個外殼。
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