- Max. pressure: 1200 psi, except Domestic Brass fittings Temp. range: -65° to 250°F- NPT connections. For use in water, oil, natural gas, and steam applications.- Meet SAE, ASME, and ASA standards. Pipe Fitting Material / Brass Class / Class 150 Fitting Side A Nominal Pipe Size / 3/4 in Fitting Side A Gender / Male Fitting Side A Type / NPT Fitting Side A Pipe Threading / 18 Fitting Side B Nominal Pipe Size / 3/8 in Fitting Side B Gender / Female Fitting Side B Type / NPT Fitting Side B Pipe Threading / 14 Color / Yellow Standards / ASME, SAE