ISW Series Centrifugal Pump 1.ISO9001:2000 2. ... horizontal hot water pumps widly used in Metallurgy, chemical industry, textiles, hotels, heating system; pressurized ... Working temperature:T < 120 DC ISWH horizontal chemical pumps widly used in no solid particles water; ... viscosity similar to water; petroleum, chemical industry, metallurgy, electric power, papermaking, pharmaceuticals, ...