It controls the inlet and outlet of the diaphragm, forms mechanism after the power drive to drive the reciprocating movement of the piston, and drives the diaphragm back and forth through the hydraulic pressure to work to suck and discharge the liquid This pump can rate of 0.4-1L/min, and suitable for long working time below 3Bar Small size, strong structure, and long serving life Chemical stability, could withstand dry rotation, and free maintenance Applications: widely used in instruments and equipment, medicine and chemical industry, and other fields. Voltage: 24V rate: liquid (320ml/min), gas (3.2L/min) Self-priming height: 4 m Pressure: liquid (3bar), gas (1bar) rate: 0.4 -1L/min Ambient temperature: 0-40 Size: 8.5 x 3.3cm/3.4 x 1.3inch Weight: .239g/8.4oz Fuel: Electric Power: HYDRAULIC Pressure: Low Pressure Standard or Nonstandard: Standard Application: Submersible : Centrifugal Pump Usage: Water Model Number: Diaphragm Pump color:As shown Material:ABS Package Contents: 1 x Diaphragm Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.