Coupling Fitting; Type Rigid; Applicable Standard ANSI/NSF 61, UL, ULC, IAMPO, UPC; Size A 4"; Size B 4"; Thickness 0.134" for Type K, 0.11" for Type L, 0.095" for Type M, 0.058" for DWV Tubing; End Connection Grooved x Grooved; Material Ductile Iron; Material Specification ASTM A536 Grade 65-45-12; Process Cast; Finish Copper Acrylic Enamel; Pressure Rating 300 PSI; Temperature Rating 30 to 82 Deg C; Gasket Supplied Yes; Gasket Details Grade EN Copper Stripped Tri-Seal EPDM; Application Potable Water System; Outside Diameter 4.125"; Maximum Gap 0.09"; Bolt Size 1/2" Diameter x 3" Length; Weight 4.3 Lb; Warranty 10 Year Limited