Disc– machined seating surface is mated to seat ring for positive shutoff.

阀瓣-机加工阀座表面，配置阀座环，实现积极有效的关闭。

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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。

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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。

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