Solder Pressure Caps Application Potable Water Fitting Side A Connection Type Cup Fitting Side A Copper Tube Size 1/2 in Fitting Material Copper Fitting Side A Tube Outer Diameter 5/8 in Specific Fitting Shape Cap Maximum Operating Pressure 700 psi Maximum Operating Temperature 250 Degrees F Standards ASME B1.20.1 ASME B16.15 ASME B16.18 ASME B16.22 ASME B16.24 ASME B16.50 NSF 61G