欧美日韩成人在线影院_亚洲免费在线观看中文字幕_麻豆福利夜间视频_成人免费看片又大_中文字幕欧美手机精品_青青在线看片_久久天天躁日日躁狠狠躁_国产一级黄片一区二区三区_撕开奶罩疯狂揉吮奶头_啊快舒服亚洲视频

簡(jiǎn)體中文版 English

Product List

End of the valve body, valve cover, valve, seals and gaskets and other parts, single?or?double valve and valve type valve flap valve etc.. At the end of the valve in the access pipe, the liquid medium from the direction of the valve cover into the valve, the fluid pressure acting on the valve, the valve was opened to allow the medium flow through the valve body, when the medium pressure change?or?disappear when the valve shut down to prevent the media back

Order?note:
If?there?is?no?selected?model,?please?provide?detailed?parameters,?such?as?medium,?temperature,?pressure,?caliber,?material?and?so?on.?Our?technicians?will?select?for?you
Two.?Provided?that?the?selected?model?is?available?according?to?the?selected?model
Three,?non?standard?products?need?to?provide?samples?or?confirmed?by?drawings
Note:?the?information?is?for?reference?only,?or?incomplete,?so?please?feel?sorry?for?the?inconvenience.?The?company?can?choose?according?to?different?requirements?and?parameters.?The?company?has?a?variety?of?sizes,?pressure,?different?materials,?connections,?drive?mode,?to?meet?the?different?needs?of?various?types?of?gate?valve.?Please?contact?021-6651?8677?or?consult?online.
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.