balance valves

基本解釋

The purge and balancing valves shall be a Watts Regulator Company model PB-56.
這種排氣平衡閥應該是美國瓦茨調節(jié)閥公司型號PB-56產品。
Isolate all circuits by closing the zone valves and purge and balancing valves.
通過關閉區(qū)域閥門和排氣平衡閥來隔離所有循環(huán)回路。
The design principle of hydraulic balance in air conditioning water system was illustrated and several kinds of balancing valves and their proper application in the system have been introduced.
闡述空調水系統(tǒng)水力平衡的基本設計原則，介紹幾種平衡閥的工作原理及其在系統(tǒng)中的合理應用。