Pressure protection: pressure switch power protection._x000D_ The maximum flow of 5-6 L / min, Maximum pressure 7.0 kg, both of them can't be adjusted ._x000D_ The work: intermittent service (continuous working at different working pressures at different times)_x000D_ The use of media: water or solvent PH value 5--8, oil. Service life: more than 500-1000 hours of continuous work._x000D_ Pressure switch type features: When the water turned off, it will automatically cut off power,the motor is stopped. After the water turned on, will automatically power on, motor running._x000D_ The shell is made of ABS plastic._x000D_ _x000D_ Specification:_x000D_ Volts: 12V DC_x000D_ Amps: 6A_x000D_ Rated power: 72W_x000D_ Pressure: 7kg_x000D_ Flow capacity: 6L/MIN(6.0 Liters per minute)_x000D_ Working medium: no oil, no strong corrosive, non-acid and alkali, without solid particles of liquid;_x000D_ Medium temperature: 0 -100 _x000D_ Inlet and outlet size: 20mm_x000D_ Size: 16.5 x 10 x 6.2cm/6.49 x 3.93 x 2.44inch (Approx.)_x000D_ Type: Pressure Switch/Reflux Switch(optional)_x000D_ Weight: approx.600g 11.Diaphragm pump combines the advantages of self-priming pump and chemical pump. Installed in a dry, well-ventilated location; pumps can not work in water. 2_x000D_ 2.Using a variety of imported corrosion-resistant materials, self-priming, thermal protection, smooth operation, long-time continuous idling, long-time continuous load operation. 3_x000D_ 3.Totally sealed, high stable pressure. 4_x000D_ 4.Rubber bracket can absorb vibration from the pump when working. 5_x000D_ 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.1 x Diaphragm Water Pump