Reducing Adapter Application Air Non-Potable Water Fitting Side A Connection Type FTG Fitting Side B Connection Type FNPT Fitting Side A Copper Tube Size 3/4 in Fitting Material Cast Bronze Fitting Side A Tube Outer Diameter 7/8 in Maximum Operating Pressure 466 psi @ 200 Degrees F Maximum Operating Temperature 400 Degrees F Specific Fitting Shape Straight Adapter Standards ASME B16.18 ASTM B584 Alloy C84400 ISO 9001 Material Grade C84400 Minimum Operating Temperature 20 Degrees F