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D200 Series Miniature Pump for Air or Liquid

Micro Diaphragm Pump for Air, Gas or Liquid

The D200 Series pumps are constructed from glass filled nylon or aluminum alloy 6000 (anondized) with stainless steel tubing connectors.It is fitted with Nitrile + Silicone diaphragm as standard but also has alternative wetted part options. Materials are available enabling this pump range to resist most chemicals and solvents. The pump uses efficient push fit connectors designed for 2.4 mm bore flexible tubing.

The completely sealed, oil-free pumping chamber makes them particularly suitable for applications where contaminants cannot be tolerated.

Typical applications include medical devices, analysis, gas detection, fuel cells, battery operated systems and more. Models for liquid now available!

ModelInput VoltagePower UsageMax PressureMax Free Flow
D220S-SN (silicon niltrile seal) 4.5 0.4W 11 psi 425 ml/min
D220BLZ-SN (silicon nitrile seal, new longer life motor) 6.0 0.7W 10 psi 450 ml/min
D250S-SN (silicon nitrile seal) 4.5 0.4W  11 psi 580 ml/min
D250BLZ-SN (silicon nitrile seal, longer life motor) 6.0  0.1 - 0.6W  12 psi  620 ml/min
D250S-L-SE (liquid, EPDM seal)  6.0   12.0 psi  189 ml/min
D250BLZ-L-SE (liquid, longer life motor, EPDM seal)        

 Key Features

  • 0-490 ml/min free flow
  • Maximum pressure of 655 mbar (9.5 psi)
  • Self-priming
  • Voltage range of 1.5-6 Volts
  • Power usage 0.038W to 0.18W
  • Vacuum max 8.1 psi @ 4.5 V
  • Small size of 40 X 25 X 17 mm
  • Weight 32g
  • Wide range of chemical resistance






Contact Information

Servoflo Corporation
75 Allen Street
Lexington, MA 02421

Phone: (781) 862-9572
Fax: (781) 862-9244

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