Thread:NPT thread

Brass(Stainless Steel 304/316) with nickel plated for A.C.F parts.UL approved Nylon PA66 (Flammability UL 94V-2) for E part.EPDM rubber for B.D parts.(Accept to make super rubber:resist high temperature rubber,resist strong acid/alkali.etc).

Protection degree:IP68

Working temperature:-40°C to 100°C