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1·Discussing several ordinary processing technologies of valve seat ring and valve stem guide hole of cylinder head now.

对目前气缸盖气门座圈和导管孔的几种一般加工工艺进行讨论。

2·Analyzing the many factors of affecting the processing precision of valve seat ring and valve stem guide hole of cylinder head.

对影响气缸盖气门座圈和气门导管孔的加工精度的诸多因素进行分析。

3·Remove the pressed in relief valve seat and seat O-ring.

拆卸压进去的安全阀阀座和阀座o形环。

4·Height completely closed valve can be used in hot water taps, installing or removing the seat ring lug, the use of soft iron in the pipeline.

高度完全关闭闸阀可以用在热水龙头，或拆卸阀座环安装吊耳后，用在采用软铁块的管路中。

5·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.

阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。

6·There is adjusting disc in the valve. Change the distance between disc and seat ring can change the blowing pressure.

吹灰器的阀门内装有调整盘，改变调整盘与阀阀座环的间隙，可以改变吹灰介质的工作压力。请在吹灰之前现场调节。

7·Remove the pressed in relief valve seat and seat O-ring.

阀座环通过密封焊接，消除泄漏通道。

8·Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.

金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。

9·Valve seat (ring) generally use the Teflon and other flexible materials, easy-to ensure the seal, and valve sealing force with medium pressure increases.

球阀阀座(密封圈)一般采用聚四氟乙烯等弹性材料制造，易于保证密封，而且球阀的密封力随着介质压力的增加而增大。