pressure operated valves 中文意思是什麼
pressure operated valves
解釋
壓力控制閥-
Pilot - operated pressure - control valves for fire - protection service
消防用液壓控制閥 -
Safety devices for protection against excessive pressure - part 4 : pilot operated safety valves
過壓保護安全設備.第4部分:液壓控制安全閥 -
Series 2300 direct operated water pressure reducing valves are designed for dead - end water service where the flow is intermittent and changes rapidly, as on domestic water system
系列2300直接操作水減壓閥適用於室內水系統流量有間歇性變化和變化迅速的終端水應用場合。 -
Automatic pressure - operated valves for natural gas dispensing systems
天然氣分裝系統用自動壓力控制閥 -
Most are manually operated valves ( by hand ) or mechanically controlled ( pressure / vacuum or float level )
大部分為手動閥門或機械控制閥（壓力/真空或浮子度） 。 -
The watts series 530c are spring operated bronze relief valves designed to be used only as protection from the build up of excessive pressure in systems containing water, oil or air
美國瓦茨530c系列閥門是彈簧驅動青銅安全閥，僅僅適用於包含水、油或氣的系統中，用來防止系統內壓力過大。
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