... fans and other piping systemsbr> [Media]:Common type used to transport -15 to 120 centigrade, of air, compressed air, water, sea ... water, oil, acid and alkali. Special type used to transport -30 to 250 centigrade of the medium contain oil, strong alkali ... Working Tempreture-15--115 centigrade special requirement made could reach to -30--250 centigradeMediaair,compressed air ,water, seawater,hot water, ...