Pre-Action Valve, Double Interlock, Electro-Pneumatic Controlled, Manual (Local) Reset
Armaş “77PA-EL-PN-MR” electrically and pneumatically controlled, double interlock pre-action valve, designed for fire protection systems. Double interlock, electro-pneumatic pre-action valve actuated by the pressure of pipeline. Armaş double interlock, electro-pneumatic pre-action valve admits water into the sprinkler piping when both electric detecting device and a sprinkler have both been activated. The valve must be manually reset after automatic actuation. An emergency release valve is standard.