DAWNING SERIES MANUAL PRESSURE SUSTAINING VALVES

This type sustaining valve is hydraulically operated, diaphragm-actuated control valve that sustains minimum preset upstream (back) pressure and opens fully when line pressure is in excess of setting.

APPLICATIONS

Line Fill-Up Control Solutions; 

Line Emptying Prevention; 

Systems Subject to Varying Supply Pressure; 

Infifield Filters Backwash Pressure Sustaining; 

Energy Saving Irrigation Systems;