月韩无码三级婷婷的午夜论坛|久久无码中字婷婷色网站|激情五月天成人网一二三区|久久国产精品视频|亚洲第一二三区免费在线观看|亚洲看看在线无码一区|一极特黄AAA毛片免费视频|少妇人妻偷人精品AV久久丫|日本一级片在线播放|青青青青青青青青操

DETAILS:
Have the diaphragm no glass adjust valve.
Double protect.
2.5 inch vacuum pressure gage
The quick vacuum switch.
Big size double scale vacuum gauge.
Big size metal handwheel,adjust conveniently.
Quick bottle change design.
Integrated combination of high capacity bottles, suitable for all occasions.
Straight-type relief valve,clean it conveniently.
Available in a variety of inlet adapter. Including OHMEDA, DISS, CHEMETRON, FRENCH, BRITISH, DIN, JISS Standard.
Vacuum trap prevents overflow of waste fluid from entering the suction regulator.

1.Gas:air
2.Max pressure:-0.05Mpa
3.Max sound:90bd
4.Air presuure:0.4-0.5Mpa
5.Mas gas consumption:≥25L/Min