压力调节阀 [机] pressure regulating valve
- 美国瓦茨进水压力调节阀必须安装在通往锅炉的冷水供应管道上。
The Watts Feed Water Pressure Regulator must be installed on the cold water supply line to the boiler. - 这种阀门包含美国瓦茨调节阀型号9D防倒流阀和型号1156进水压力调节阀。
The valve shall contain a Watts Regulator Model 9D backflow preventer and Model 1156 feed water pressure regulator. - 还应检查点火连线及其接头,调整空载速度,更换压力调节阀。注意上述维修工作将提高发动机性能并节省燃料。
He should also check ignition wires and connections, adjust idle speed and replace PCV valve. Attention to these service functions will improve engine performance and fuel economy.