1.
Remove the cover plate of the relief valve by removing the four connecting screws.
通过拆卸四个连接螺丝来拆卸安全阀盖板。
2.
Remove the relief valve cover bolts while holding the cover down.
边压住阀盖，边拆卸安全阀阀盖螺栓。
3.
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
4.
Install relief valve cover nut and tighten.
安装安全阀阀盖螺母，并加以紧固。
5.
Disconnect the hose from the bottom cover plate to the relief valve.
断开底部盖板到安全阀上的软管。
6.
Research on Cap Screwing Tooling of A41X Breathing Type Safety Valve
A41X型呼吸式安全阀旋盖工装研制
7.
a safety, exhaust valve
安全阀、 排气阀.
8.
safety valve dome
安全阀汽包，安全阀座
9.
Install valve cover (refer to valve cover installation in this section).
安装阀盖（请参阅本节中的阀盖安装）。
10.
The relief valve cover 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。
11.
Reattach the relief valve hose to the elbow in the bottom flange cover.
重新将安全阀软管接到底部法兰盖内的弯头上。
12.
Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line.
在安全阀和排泄管之间不要加盖、闭塞、堵塞或包含任何阀门。
13.
Remove the cover and diaphragm. The relief valve piston assembly can be lifted straight up and out.
拆卸阀盖和隔膜。安全阀活塞总成可以笔直提出到外面来。
14.
Due to the release of pressure when removing the cover, the relief valve spring may eject quickly.
因为在拆卸阀盖时松开压力，安全阀弹簧可能会快速弹出来。
15.
discharge from safety and relief valves
由安全阀和泄压阀泄放
16.
This is a gate valve (check valve, butterfly valve, cut-off valve, magnetic valve, remote valve, relief valve, throttle valve, cock).
这是一个闸阀（止回阀、蝶阀、切断阀、电磁阀、遥控阀、安全阀、节流阀、旋塞）。
17.
Position the bottom flange cover on the bottom of the relief valve body and secure by hand tightening the four bottom bolts.
将底部法兰盖放在安全阀阀体底部上，用手旋紧四个底部螺栓加以紧固。
18.
subsurface controlled subsurface safety valve
井下控制井下安全阀