Grinnell Fire Adapter, Series: 61 Series, 2-1/2 in Nominal, Flanged x Grooved, 0.88 in Thickness, 125/150 lb, 86 to 180 deg F, Ductile Iron, Copper Acrylic Enamel, 7.88 in H
Flange Adapter allows a direct transition from flanged components to Grinnell grooved copper components. Flange bolt patterns conform to ANSI Class 125 and 150 standards.