Refrigeration Service/Shutoff Valve Style Front Seating Flow Bi-directional Connection Size 5/8 in ODF Outside Dia 3/4 in Operating Temp Range -40 Degrees F to +250 Degrees F Operating Pressure Vacuum to 750 psi Body Material Brass Connection Material Copper Max Working Pressure 750 psi For Use With R-22 Air Conditioning Condensing Units and Heat Pumps Includes 1/4 in SAE Access Valve on Right Facing Field Connection