shutoff valve

基本解釋

Hazard is if the main shutoff valve is "stuck" , these valves may add another level of isolation.
如果主關(guān)閉閥卡住就有危險(xiǎn)，這些閥有可能會增加另一程度的隔離。
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NOTE : For Australia and New Zealand, Pipeline strainers should be installed between the upstream shutoff valve and the inlet of the backflow preventer.
注意：適用于澳大利亞和新西蘭：管路過濾器應(yīng)該安裝在上游關(guān)閉閥和防回流閥進(jìn)口之間。
Install a shutoff valve in the cold water inlet.
在冷水進(jìn)水管上安裝一個(gè)關(guān)斷閥。