... effective, and easy to install,Can be used in water and wastewater, recycled water, fire fighting, paper, pharmaceutical, petrochemical, shipping, ... used to transport -15-- 115 centigrade air, compressed air, water, sea water, oil, acid and alkali. Special type used to transport ... made could reach to -30--250Mediaair ,compressed air,water,sea water,oil,acid,alkali etc.Main Data: DNLengthL(mm)Outer ...