NAFFCO

Double Interlock Supervised Electric-pneumatic Pre-action System Model NF-DVH3S with skid and vertical mounting, GI piping and trim

Landing Valve Cabinet Recessed type Solid Door Stainless Steel Facia(Brush) Back box Electro Galvanized Sheet - Naffco.

Adjustable restriction of residual pressure Working pressure of 175 psi Locking pin device restricts full opening of valve by untrained personnel, pin may be removed by fire fighters to allow full opening of valve Double Female NPT inlet and outlet or female NPT inlet x male hose thread outlet standard connections Forged brass valve body with red hand wheel Optional finishes – polished brass, royal chrome plated, polished chrome plated

Exposed straight fire dept. inlet connection clapper type. Cast brass. Two way double clapper back or three way triple clapper back. Rated pressure: 300 PSI

Check Valves SD-NRV300FF-D is a swing type, horizontal and vertical installation, size 2 to 12 in. with rubber-faced checks, rated for 300 psi (20.69 kPa) Ductile Iron Body

Automatic ball drip. Male x Male. Forged brass. To drain low point of system between swing check valve and Fire Dept. connection. Automatically seals under pressure. Must be installed in horizontal position only. Rated pressure: 300 PS