Swivel Joints: Windlass Engineers & Services manufactures Swivel Joints Which are metallic pipe fittings with integral ball-bearing swivels. Featues include: Proper rotation and movement without sacrificing strength and integrity of the steel.Streamlined bore minimizes flow restrictions, turbulence and pressure drop.Long-sweep swivel joints have extra-long radius elbows for better flow characteristics.Manufactured specifically for high pressure applications.Dual and tri-race ball bearing swivel joints are matched to load capacities & service conditions.All ball races are either flame hardened carburized & hardened or snap-in stainless steel.All swivel joints are field repairable. Easy to use repair kits are available.Eight short radious swivel joint style or configurations are available.End connections are threaded, integral wing union, beveled for welding or flanged.Sizes available 1 to 3 furnished with high Nitrile packing and brass or stainless steel Seal ring.All joints are specially heat-treated & inspected for controlled hardness.All materials meet ASTM andor AISI standardsSour gas swivel joints are manufactured in accordance with the National Association of Corrosion Engineers (NACE) Standard MR-01-75 & the American Petroleum Institute's (API) Standard RP-14-E.