国产又粗又黄又爽_中国女人a毛片免费全部播放_国产女人被躁高潮视频在线视频最新_一级毛片免费完版_成人精品欧美日韩_五月丁香色综合久久4438_国产成年人免费观看91视频_宅宅236伦理2019最新_blue在线观看视频全集资源_国产欧美日韩麻豆三级

簡體中文版 English

Product List

Lift check valve to the clamp is refers to the flow depend on the medium itself, and automatic opening and closing valve, used to prevent the backflow medium valve, also known as the non-return valve, check valve, valve, and the back pressure valve upstream. Check valve belongs to a kind of automatic valve, its main role is to prevent the backflow medium, to prevent the pump and drive motor reversal, and the discharge of the container medium. Check valve can also be used to give the pressure could rise to more than the system pressure of the secondary system supply piping. Main can be divided into swing check valve check valve (in accordance with the center of gravity rotating) and lift check valve (mobile) along the axis. This valve shall generally be installed in the pipeline.

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.