风动撒砂器阀门 pneumatic sander valve

风动汽缸排水阀阀门 pneumatic cylinder cock valve

自动阻风阀 automatic choke valve

启动风阀 starting damper

手动阻风阀 handchoke

电动调节风阀 motor damper

电动锁风翻板阀 DKF

制动缸放风阀 brake cylinder release valve ; balance pressure reducing valve

风动节流阀马达 air operated throttle motor

滑动风阀 [矿业] jig piston valve