Grinnell® Rigid Coupling, Series: 772, Coupling Fitting/Connector Type, 3 in Nominal Size, Grooved, 1.9 in Thickness, 750 psi, Ductile Iron, Painted, Orange, Industry Standards: ASTM A536, 4.6 in H x 6.93 in W
The GRINNELL Figure 772 Grooved Rigid Coupling provides a rigid joint by firmly gripping along the circumference of the pipe grooves. An economical alternative to welding, threading or using flanges.