WATTS 0390025 4 411 ANSI 125 FLG CAST IRON SWING CHECK VALVE UL/FM

WATTS® Swing Check Valve, Series: 411, 4 in Nominal, Connection Type: Flanged, 175 psi, Pressure Class: 125, Water Media, Material Standard: ASTM A126, Cast Iron Body, Buna-N Seat, Ductile Iron Disc, Lead-Free/Contains Lead: Contains Lead, 180 deg F

This 4 in cast iron swing check valve is used in fire protection applications to prevent reverse fluid flow in water lines. It consists of a cast iron body construction with flange connections and a full port, cast iron cover and arm, bronze arm disc bushing, replaceable Buna-N seat and ductile iron disc, bronze disc stud and stainless steel knock and hinge pin.