... protection devices, it enables the safe and reliable pump operation.2. UsageApplicable for urban environment, construction ... , cooling of equipment, etc. it has automatic coupling installation device.3. CharacteristicApplicable not only for ... also work as distant pump, pulp pump, filtrate flush cooling cycle pump and irrigation pump. The work pressure: ... speed 960-2900r/min. WQ Submersible Sewage Pump