isolating valve

基本解釋

All pressure instruments shall have a primary block valve isolating it from the vessel or pipe.
所有壓力儀表應(yīng)安裝一個(gè)主截止閥，以便與容器或管道隔離。
The utility model is provided with separate isolating valve, aeration valve, vacuum valve and thief rod mating the sampling cavity to keep the air in the furnace cavity and realize on-line sampling.
本實(shí)用新型設(shè)置了獨(dú)立的隔離、充氣、真空閥門以及與取樣腔配套的取樣桿，使取樣過程中的爐腔內(nèi)氣氛不變，達(dá)到在線取樣的目的。
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