Union Fitting | Type Straight | Size A 3/4 Inch | Size B 3/4 Inch | End Connection Female Threaded x Female Threaded | Material Chinese Malleable Iron | Material Specification ASTM A197/A197M | Finish Black | Pressure Rating Class 150 | Temperature Rating 347 Deg F | Applicable Standard ANSI/ASME B16.3, UL, FM, ISO 9001 | RoHS Compliant | Lead-Free All Fittings are 100% Pressure Tested | RoHS Compliant | Lead-Free