Union Type Expansion Rubber Joints

Union Expansion Rubber Joints means two Galvanized Iron Unions connected with double EPDM or NBR spheres, then screw with pipe through female threads. This product is widely used in chemical, construction, water supply, drainage, petroleum, light industry, freezing, sanitation, plumbing, fire protection, electric power and other basic engineering due to its good comprehensive performance.They adapt to a variety of media and the environment. Operating Conditions :Operating Pressure:PN10PN16 Explosive Pressure:3.04.5Mpa Vacuum Rating:400 mmHg Temperature :EPDM:-10℃ to 120 ℃NBR:-10℃ to 82℃ Neoprene:-10℃ to 110℃ Medium :Air, Water, Sea Water,Hot Water, Oil, Acid, Alkali.