潜水泵是在水下工作的,它结构紧凑、重量较轻,很适合农村井水灌溉,目前应用较多的是QW型潜水泵。这种潜水泵,是采用机械密封或气封等防水措施来保持电动机内部干燥,不受水的侵入。使用时须注意如下几点:(1)检查潜水泵的放气孔、放水孔、放油孔和电缆接头处的封口是否松动,如有松动必须旋紧。 Submersible pump is working under water, it is compact, light weight, it is suitable for rural well water irrigation, the current application is more QW submersible pumps. This submersible pump, is the use of mechanical seals or seals and other waterproof measures to keep the motor inside the dry, from water intrusion. Use should pay attention to the following points: (1) Check the submersible pump vent, drain, drain hole and the cable connector seal is loose, if loose must be tightened.