jingqiu.net.cn-国精产品一区一区三区有限在线,亚洲字幕AV一区二区三区四区,久久无码专区国产精品s,国产女人喷潮视频在线观看

Pneumatic cut-off valve bellows

Dateline:2014-11-30    Hits:

Pneumatic cut-off valves are played fast cutting function, has the advantages of simple structure, sensitive response, reliable action and so on. Can be widely used in petroleum, chemical, metallurgical and other industrial sectors. Pneumatic shut-off valve of the gas supply requirements of the filtered compressed air flowing through the valve body of the media should be free of impurities and liquid and gas particle free.Pneumatic cut-off valve classification: ordinary type pneumatic cut-off valve, quickemergency pneumatic cut-off valve.

手機網(wǎng)站