This is a high-quality swivels feature nickel-plated brass construction with "dual" stainless steel bearings. Multiple seal system prevents leakage under high or low-pressure conditions. Corrosion-resistant design for long life. Ideal applications include wash booms, spray wand handles, pressure cleaners, MTI rotary furnaces. Specifications Multiple seal system prevents leakage under high or low-pressure conditions. Corrosion-resistant design for long life. Compact and lightweight. Made in Switzerland Maximum working pressure 3000 psi Working temperature 250° F Sub-base NICKEL PLATED BRASS Option Parts to connect to gas cylinder 304 SS 1/4" O.D Tube Fitting x 1/8" BSPP Male - EQ-Fit-14-18P Seamless Stainless Steel Tube: 1/4" OD x79"L (2000mm) for Gas Delivery -SS-1/4-tube Application case for all MTI Rotary CVD Tube Furnace Compact 2" Two Zone Rotary Tube Furnace @1200C Max For Powder CVD. - OTF-1200X-S-R-II 4" Two Zone Rotary CVD Tube Furnace @1200C Max. - OTF-1200X-4-R-II-UL