JGD-WH south korea standard dual ball high pressure rubber jointis also called shock absorber,pipe shock absorber,soft joint etc Consist of inner rubber,Jinlun reinforced rubber and loose metal flange,ith high pressure chracter, good elasticity, displacement volume, balance pipe error, absorb vibration, reduce noise, effective, and easy to install,Can be used in water and wastewater, recycled water, fire fighting, paper, pharmaceutical, petrochemical, shipping, pumps, compressors, fans and other piping systems, use of units such as power plants, water plants, mills, water companies, engineering and high construction,Common type used to transport -15-- 115 centigrade air, compressed air, water, sea water, oil, acid and alkali. Special type used to transport -30--250 centigrade over the medium or oil, strong alkali acid concentration, solid-state materials.