Principle and process flow
1、-1 valve rotating animation
2、-2 valve rotating animation
3、GL20\40\50 filter valve animation
4、GR20\40\50 soften valve animation
5、GR Control valve series softening process
6、DR Control valve series softening process
7、ZR\RF valve rotating animation
8、ZR\RF valve softening process
9、Backwash solenoid valve animation