Grinnell® Rigid Coupling, Series: 672, Coupling Fitting/Connector Type, 2-1/2 in Nominal Size, Grooved, 1.72 in Thickness, Ductile Iron, Copper Acrylic Enamel, Industry Standards: ASTM A536, 3.59 in H x 5.38 in W
The GRINNELL Figure 672 Rigid Coupling provides a rigid joint to meet the special requirements of copper tubing installation. This is done by firmly gripping along the circumference of the copper tube groove. Rigid Couplings are a proven dependable method of joining copper tube and are an economical alternative to soldering(sweating) joints.