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Flojet R3811143 Triplex Hi-Pressure 12V Diaphragm Pump - 1.4 GPM, 150 PSI

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7.70 lbs
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Glass-filled nylon body pump with a EPDM and Polypropylene blend diaphragm. 3/8" NPTF ports and a 1.4 GPM max flow rate.

Technical Specifications

Max GPM: 1.4
Max PSI: 150
Voltage DC: 12
Min Temperature: 40 degrees F
Max Temperature: 140 degrees F
Inlet Port: 3/4 inch

Product Description

12 Volt 1.4 GPM Electric Diaphragm Pump

The Flojet R3811143 diaphragm pump is part of the Triplex Hi-Pressure line. It has 3/8" female NPT ports and an electric motor requiring 12 volt power. This glass-filled nylon body pump is rated for up to 1.4 GPM and 150 PSI.

The Flojet Triplex Hi-Pressure line of pumps have some of the highest pressure ratings available in the diaphragm pump industry. This is ideal for things like spraying, misting, filtration, cooling, dispensing, and pressure boosting.


  • 1.4 GPM maximum flow rate
  • 3/8" NPTF
  • 12VDC
  • 50/60 Hz
  • 150 PSI maximum pressure; 140 PSI maximum running pressure
  • Glass-filled nylon pump head
  • EPDM and Polypropylene blend elastomer diaphragm
  • EPDM check valve
  • 40°F - 140°F liquid temperature range
  • 10 amp max draw
  • Intermittent duty cycle
  • Three chamber diaphragm
  • CE certification
  • NSF components
  • PMDC motor


  • Constructed from materials that can handle a broad range of chemicals
  • Sealed pressure switch and motor
  • Self priming up to 8 feet
  • Pump can be mounted above the supply tank
  • Can run dry for extended periods of time without damage


  • Small boom and spot spraying
  • Silage treatment
  • Estate spraying
  • Livestock and poultry cooling
  • Dispensing
  • Transfer of liquids

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