... use of stainless steel and other corrosion-resistant material that can be widely used in industry, chemical industry, agriculture, pesticides, fire, construction, ... : on land, rain water can be used as general self-priming centrifugal pumps, submersible pumps can be used on water use;3. ... 550 ~ 600L / min)6. Portable design (machine 19kg), can be placed anywhere to use, and the use of water cooling ...