er, building materials, and environmental protection
3.(1).Power sources: Three-phase AC 380V 50HZ. (2).The medium temperature should not exceed 40℃ ,medium don't contain flammable and explosive gas . (3).Solid granule max. thickness in medium: grey sediment for 45% ,mineral sediment for 60%. (4).Motor and pump max. dive depth should not exceed 20M ,min. dive depth should not exceed 1M. (5).The best motor and pump is vertical ,operate method is continuous operation. 4.Capability parameter area: