HAK Pneumatic (4 Way / 5 Port / 2 Position) Double Air Piloted Exhaust Center Control Namur Valve, NPT 3/8” (4A330E-10B) NPT 3/8” (4H310-10S) Operation: Normally Closed (NC) –

Operation: Normally Closed (NC) – remains closed when not actuated

Edit Item Number  HVHS3000-02 Port Size 1/4″ NPT Working-pressure 21

and Particles in the air

89) Port Size Inlet / Outlet NPT 3/8″

F USES  Suitable for use with swimming pool heater

HAK Pneumatic (4 Way / 5 Port / 2 Position) Double Air Piloted Exhaust Center Control Namur Valve, NPT 3/8” (4A330E-10B) NPT 3/8” (4H310-10S) Operation: Normally Closed (NC) –Description * Pneumatic Air Piloted Namur Valve: 5 Port 3 Position Double Pilot Exhaust Center.* A High Quality Valve body is made of Aluminum material, with long serving life; seals initially imported from Japan.* The Anti friction seal is added at both ends of the valve spool to make the valve spool more stable during the switching process and increase the valve lifetime.* This is a Four way, air pilot valve with a spool design requiring an input