Slide the diaphragm assembly into the relief valve seat 将隔膜总成滑进到安全阀阀座内。
2.
The plug is seated in the body seats when the valve is in both open and closed positions 当阀门处于开启和关闭状态时，阀塞都位于阀体阀座内。
3.
Robust body with raised seating surfaces ground to mirror - like finish . hard plug and body seat facings available . body and plug seats protected from line media in open - close positions 坚固耐用的阀体，配置具有研磨镜面光洁度的凸面阀座表面。可提供坚硬的阀塞和阀体阀座面。在开启-关闭位置，可防止管路流体介质进入阀体和阀塞阀座内。
