FM/UL Approved Concentric Grooved Reducer Fire Fighting Ductile Iron Grooved Pipe Fitting UL FM approval ductile iron grooved pipe fittings and grooved rigid/flexible couplings Material: ductile iron ASTM A536, QT450-12 Standard: ANSI, BS, JIS Techonology: casting Type: Rigid coupling, Flexible coupling, Elbow, Tee, Cross, Mechanical...

FM/UL Approved threaded concentric reducer threaded Fittings in Victaulic Standard UL FM approval ductile iron grooved pipe fittings and grooved rigid/flexible couplings Material: ductile iron ASTM A536, QT450-12 Standard: ANSI, BS, JIS Techonology: casting Type: Rigid coupling, Flexible coupling, Elbow, Tee, Cross, Mechanical...

FM UL Ce Approved Threaded flange adaptor Wpt threaded Connection Pipe Fittings for Fire Protection UL FM approval ductile iron grooved pipe fittings and grooved rigid/flexible couplings Material: ductile iron ASTM A536, QT450-12 Standard: ANSI, BS, JIS Techonology: casting Type: Rigid coupling, Flexible coupling, Elbow, Tee, Cross,...