Mainly by the pilot valveseat, valve, diaphragm, spring, adjusting springs and other parts.
导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。
2
This means that the operating mechanism must be able to move sufficiently far enough away from the valve to allow the valves to be fully closed against its seat by the valvespring.
这意味着操作机构必须离阀门足够远以允许阀门通过气门弹簧使其完全关闭。
3
The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.