... Metric, PG, G, NPT.Working temperature: -40-°C to 100°C in static state,instantaneous heat resistance up to 120 ... °C, -20°Cto 80°C in dynamic state, instantaneous heat resistance up ... to 100°C.Protection class: IP68( using O-sealing)Taizhou Gaosibei ... alibaba China copper fitting metal fitting connector PG series