The multi-function valve is used when the point of chemical injection is lower than the position of the dosing pump. The main purpose of the multi.function valve is to prevent siphoning or free flow of treatment chemical due to gravity.

The multi-function valve is used when the point of chemical injection is lower than the position of the dosing pump. The main purpose of the multi.function valve is to prevent siphoning or free flow of treatment chemical due to gravity.