Remove the relief valve hose from fitting below inlet ball valve.
从进口球阀下面连接件拆卸安全阀软管。
2
Detach the sensing line from the inlet ball valve and the elbow on the relief valve.
从进口球阀和安全阀上的弯头处拆卸感应管道。
3
The relief valve consists of a sealer and an adjusting spring. When the inlet pressure is greater than a set value, the spring pressure is overcome to discharge over-pressure air.