CLA-VAL 81M : Diaphragm Actuated Check Valve
The Cla-val Model 81M Diaphragm Check Valve is designed fo use in the Hydraulic Activation portion of a shipbord Dry Type Magazine Sprinkler System. The 3/8" 81M Check Valve is internally ported diaphragm actuated hydraulic check valve used in the interconnected Open-valve loop and Closed-valve loop activating piping to prevent reverse flow. Two 81M Check Valves are used on each loop to ensure that the highest pressure signal for activation is applied to the Magazine Sprinkler Valve.