Companion Flange Application Potable Water Fitting Side A Connection Type FNPT Fitting Side B Connection Type Flange Fitting Material Bronze Fitting Side A Pipe Size 2 in Maximum Operating Pressure 291 psi Maximum Operating Temperature 200 Degrees F Specific Fitting Shape Class 150 Threaded Companion Flange Flange Outside Diameter 6 in Number of Bolt Holes 4 Flange Thickness 1/2 in Bolt Hole Diameter 3/4 in Standards ASME B16.18 ISO 9001 NSF/ANSI 372 NSF/ANSI 61