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FloJet D3131-E5011 Duplex II 12V DC Diaphragm Pump


Duplex II is available in various performance ranges, voltages and with a choice of elastomers, making it easily adaptable to a diverse range of applications

The Duplex II series of pumps incorporate the best technology and features developed by FLOJET.

Everything from the back flow preventer, check valves, bearings and diaphragm assembly to the motor, have been designed to make this truly the most advanced and reliable diaphragm pump available

Higher efficiency of the pump is evident in the longer life of the motor pump unit

They are intended for intermittent duty cycles but can be run continuously for short periods of time

The higher the duty cycle the shorter the expected life of the pump.

  • Self-Priming up to 2.4 m
  • Can run dry without damage
  • Chemical resistant material
  • Internal bypass standard
  • Built-in back flow preventer
  • Heavy duty ball bearing drive system
  • UL, CSA and CE models available

Aussie's Observations about FloJet D3131-E5011 Duplex II 12V DC Diaphragm Pump

Budget • Good • Better • Best • Superior

Suitable for:

A wide variety of agricultural and industrial purposes.

What we liked:

Flojet is the top brand for these kinds of diaphragm pumps. Don't be fooled by cheap copies. Full range of spare parts in stock at Creative Pumps and available quickly.

Less than ideal:

Nothing at all, Flojet make the highest quality diaphragm pumps.


Technical Specifications

Product Name FloJet D3131-E5011 Duplex II 12V DC Diaphragm Pump
Max Flow L/Minutelitres per min6.1
Max Flow L/Hourlitres per hour366
PSI Setting60
Voltage12V DC
Full details - Click here for further specifications
Suitable uses Liquid transfer, medium volume water supply, spraying, cooling, circulation, filtration, dispensing.
Suitable liquids Some chemicals, nutrients, sea water and fresh water etc - Click here for material charts
Warranty 12 months National Warranty Aust wide
Materials used Pump Head: Polypropylene   Diaphragms: EPDM    Valves: EPDM
Electrical Voltage: 12v DC   Amp draw: 7A    Watts: 84W   Power lead length: 15cm
Pressure switch Cut out pressure: 60 PSI (4.1 bar)
Internal Bypass Yes
Suitable liquids Many chemicals, sea water, fresh water, sugars, whisky and wine - Click here for material charts
Self prime Up to 2.4m maximum
Suction Strainer Not included - Click here for options
Liquid Temperature 54°C Maximum
Inlet/Outlet Ports 3/8" Female NPT thread
Connections Included None - Click here for options
Fan cooled motor No
Dimensions Length: 219mm   Height: 92mm    Width: 82mm
Made in: USA
Spare Parts Click here for all spare parts
Accessories Click here for accessory index