久久在精品线影院精品国产_国产精品一区二区久久不卡_国产内射999视频一区_国产99久久九九精品无码_人妻熟妇乱又伦精品视频无广告_久久在精品线影院精品国产_国产精品一区二区久久不卡_人妻熟妇乱又伦精品视频无广告_7878成人国产在线观看_久热国产VS视频在线观看

簡體中文版 English

Product List

300X slow closing check valve is installed in the high-rise building water supply system and other water supply system of the pump outlet, to prevent the media back, water hammer and water hammer phenomenon of intelligent valve. The valve has the electric valve, check valve and water hammer eliminator three functions, which can effectively improve the safety and reliability of water supply system "sui. And the slow opening, fast closing and slow closing to eliminate the technical principle of integrated water hammer, prevent water hammer and open the pump water hammer. Only need to operate the pump motor on-off button, the valve can automatically according to the pump operating procedures open and close, large flow, low pressure loss, applicable to 600 below the valve diameter
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
Mandatory
Mandatory
Mandatory
Mandatory

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