国产成人精品福利网站在线_日韩一级 片内射在线视频播放_最近2024在线中文字幕更新版_三级日韩特色特黄理伦网站_玩爽少妇人妻系列无码_无码人妻专区一二三区不卡_国产日产欧产精品精品蜜芽_亚洲老妇色熟女老太_欧美特黄a级高清免费大片_亚洲女子校生在线

Home / Product

Product

700X

700X water pump control valve

Nominal pressure:PN1.0~2.5MPa
Nominal diameter:DN50~300mm

700X pump control valve is a type of backcheck valve installed at the pump outlet of high-rise buildings and other water supply systems to prevent the backflow of media. When the pump is about to stop the water supply, the valve is slowly closed about 90% first to prevent the water hammer and water hammer caused by sudden stop of the pump; When the pump is completely stopped, the valve is completely closed again to prevent the backflow of the pumped water, and effectively protect the pump from the impact of the backflow. The product is an essential protection device for the pump outlet. The valve is streamlined design, through the guide control of the solenoid valve to achieve accurate opening and closing, safe and reliable use, effectively prevent water hammer and water percussion sound, long service life, easy installation and maintenance.

700X水泵控制閥03.png

Typical installation diagram

700X水泵控制閥04.png