Union Application Potable Water Fitting Side A Connection Type Press-Fit Fitting Side B Connection Type FNPT Fitting Side A Copper Tube Size 2 in Fitting Material Bronze Fitting Side B Pipe Size 2 in O-Ring Material EPDM Specific Fitting Shape Straight Union Overall Length 3 15/16 in Maximum Operating Pressure 200 psi Maximum Operating Temperature 250 Degrees F Standards ASTM B75 ASTM B88