1) non-negative pressure frequency conversion constant pressure water supply
无负压变频恒压供水
2) the surge less equipment with scuttles and various frequencies
变频恒压供水
1.
Application of the surge less equipment with scuttles and various frequencies in secondary pressed water supply;
在二次加压供水中采用无吸程变频恒压供水设备 ,既能利用自来水管道的原有压力 ,又能利用足够的储存水量缓解高峰用水 ,不会对自来水管道产生吸力 ,达到节能效果。
3) Inverter constant pressure water supply
变频器恒压供水
5) frequency conversion constant pressure water supply and control equipment
变频恒压供水控制设备
6) Variable frequency speed regulation constant pressure water supply equipment
变频调速恒压供水设备
补充资料:冲击波超压与动压