Remove the relief valvecover, stem/diaphragm assembly, and relief valvespring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
2
The relief valvecover shall be secured with stainless steel bolts and shall utilize a quarter-turn locking joint to capture the spring load of the relief valve.
安全阀阀盖应该采用不锈钢螺栓紧固，应该采用四分之一转锁定连接来所定安全阀的弹簧负载。
3
The invention discloses a different-pressure automatic shuttle valve, comprising valve body, through end cover, valve core ball, spring seat, spring, inlet end, outlet port .