Companion Flange Application Air Non-Potable Water Fitting Side A Connection Type Cup Fitting Side B Connection Type Flange Fitting Side A Copper Tube Size 1 1/2 in Fitting Material Bronze Fitting Side A Tube Outer Diameter 1 5/8 in Maximum Operating Pressure 327 psi Maximum Operating Temperature 200 Degrees F Specific Fitting Shape Class 150 Companion Flange Flange Outside Diameter 5 in Number of Bolt Holes 4 Flange Thickness 7/16 in Bolt Hole Diameter 63/100 in