ASME B16-22 pdf download WROUGHT COPPER AND COPPER ALLOY SOLDER JOINT PRESSURE FITTINGS 1 scOPE1.1 General This Standard establishes specifications for wroughtcopper and wrought copper alloy, solder-joint,seamlessfittings，designed for use with seamless copper tubeconforming to ASTM B 88 (water and general plumbingsystems),B 280 (air conditioning and refrigerationservice)，and B 819 (medical gas systems), as well asfittings intended to be assembled with soldering...