- 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. Nominal Pipe Size / 1/2 in Pipe Fitting Material / Brass Fitting Connection Type / Male NPT Temp. Range / -65 Degrees to 250 Degrees F Thread Size / 1/2-14 Standards / ASA, ASME, SAE