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 in, Fitting Material Bronze, Fitting Side A Tube Outer Diameter 1 1/8 in, Maximum Operating Pressure 395 psi, Maximum Operating Temperature 200 Degrees F, Specific Fitting Shape Class 150 Companion Flange, Flange Outside Diameter 4.25 in, Number of Bolt Holes 4, Flange Thickness 3/8 in, Bolt Hole Diameter 63/100 in