theBlueStone Diaphragm Pump uses a variety of imported materials to have thermal protection, smooth operation, long-time continuous idling, long-time continuous load operation. It's totally sealed, and you could feel the high stable pressure. It's a good self-priming pump, which has good suction lift characteristic.<br><br><b>TBS1YB-12-80KCF 1.5 GPM 80PSI DC 12V Demand Diaphragm Water Pump with On/off Switch & Cooling Fan</b><br><br>Built-in pressure demand switch shuts pump off at maximum pressure<br>Flexible diaphragm design allows pump to run dry without damage<br>Compact - mount in any position<br><br><b>Features:</b><br>1.Diaphragm pump <b>combines the advantages of self-priming pump and chemical pump</b>. Installed in a dry, well-ventilated location; pumps can not work in water.<br>2.Using a variety of imported materials, self-priming, thermal protection, smooth operation, long-time continuous idling, long-time continuous load operation.<br>3.Totally sealed, high stable pressure.<br>4.Rubber bracket can absorb vibration from the pump when working.<br>5.When the water pressure is too high, pump will protect themselves and normal work, water pipes will not burst, it is safe and durable.<br><br><b>Application:</b><br>Agricultural field sprayers<br>Row crop sprayers<br>Irrigation for fields, farmland, vineyards, nurseries, greenhouses<br>Sprinkler systems<br>Potable water, fresh water, and salt water transfer and dewatering<br>High pressure / focused target spot spraying<br>Pressure Washing<br>RV/Boat/Marine/Caravan pressurized water system<br><br><b>Specification:</b><br>Volts: 12V DC<br>Power: 80W<br>Maximum Flow: 1.5 gpm<br>Working Pressure: 80psi<br>Maximum Discharge Pressure: 130psi<br>Ports Inlet/Outlet: 3/8" Barbed Thread<br>Maximum Suction Lift: 5 feet<br>Maximum Head: 180 feet<br>