... stainless steel casing, impeller, shaft, etc.2.ALDG Type Vertical Multistage Pump is made of stainless steel casing and cast ... centrifugal pump.ALDF pumps are used for delivery of liquid, circulation and pressurization of cold and hot clean water ... dematerialized water, distilled water, water in swimming pool, and liquid containing chloride.Application1, Urban water supply and pressure boosting 2 ...