Feature:1. Self Priming and Dry Rotation: The diaphragm pressure pump has a self priming function. It can run dry for a short time (no more than 30 minutes).2. Pressure Protection Switch: The diaphragm pressure pump is equipped with a pressure protection switch, which can automatically stop for protection in case of overpressure until the pressure is less than the threshold value and automatically restart.3. Working Medium: The diaphragm pressure pump is suitable for liquids without oil, strong corrosion, strong acid and alkali, and solid particles.4. Note Tips: The diaphragm pressure pump shall be used in a dry and ventilated place. And the pump cannot be put into water for operation.5. Convenient Installation: The pump is easy to install. The water pump is exquisite, small in size, light in weight, large in flow, high in pressure and stable in performance.Specification:Item Type: Diaphragm Water PumpMaterial: PlasticGross Weight: 1249g / 44.1ozSize: 187x98x72mm / 7.4x3.9x2.8inWater Inlet Outlet Connector: G1/4, applicable to G3/8, hose barbUsage: For spray machine, spray cleaning device with small flow and large pressure; Small flow water purification system, filterApplicable Industries: Medicine, shipping, fishery breeding, industry, agriculture, housekeeping and other industries.Package List:1 x Diaphragm Pump4 x AccessoriesNote:1. Installed in a dry and ventilated location; The water pump cannot be put into water for operation;2. Duty cycle: intermittent (different continuous working time under different pressures);3. The pump can be controlled by pressure switch or bypass. For power control, you can select the pump without pressure switch or bypass.