Drain Coupling Application Potable Water Fitting Side A Connection Type Cup Fitting Side B Connection Type Cup Fitting Side A Copper Tube Size 1/2 in Fitting Side B Copper Tube Size 1/2 in Fitting Material Bronze Fitting Side A Tube Outer Diameter 5/8 in Fitting Side B Tube Outer Diameter 5/8 in Maximum Operating Pressure 577 psi Maximum Operating Temperature 200 Degrees F Specific Fitting Shape Drain Coupling Standards ASME B16.18 ISO 9001 NSF/ANSI 372 NSF/ANSI 61