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FloJet - 3811-243 "Duplex" Diaphragm pump

Model: 3811 - 243   back to 230v index   Used extensively in carpet cleaners

Flojet 3811-242

Technical data sheet

The Flojet 3811 series is self-priming.

For vertical pump mounting be sure that the motor is located on top. This will prevent water from entering the motor chamber in event of a leak.

  • Built-in pressure switch automatically starts and stops pump instantaneously when discharge valve is opened and closed.
  • Pump head may be rotated in 90 increments to simplify plumbing.
  • Can run dry without damage and handle liquids up to 71C (170F).
  • Duplex Diaphragm Design eliminates troublesome shaft seal.
  • No metal contact with liquid being pumped.
  • Ball bearing drive throughout pump and motor assures longer pump life.
  • Excellent self-priming capability. Pump may be located several feet from the tank above or below the liquid level.
  • Powerful, permanent magnet motor with low current draw and long life brushes.
FloJet Model No Voltage L/min
Diaphragms Valves FloJet Price
3811 - 243 230v AC 5.3 150 Santoprene EPDM $433



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Total shipping per order Only $10 to any Australian Address - Prices Include GST
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Full details
Suitable Uses Carpet cleaning machines, liquid transfer, reverse osmosis, use with some chemicals and water.
Suitable liquids Many chemicals, sea water, fresh water, sugars, whisky and wine etc - Click here for material charts
Warranty 12 months National Warranty Aust wide
Materials used Pump Head: Polypropylene   Diaphragms: Santoprene    Valves: EPDM
Electrical Voltage: 230v AC   Amp draw: 0.5A    Watts: 115W
Pressure switch Yes - Cut out pressure: 150 PSI (10.3 bar)
Internal Bypass Yes
Self prime Up to 2.4m maximum
Suction Strainer Not included - Click here for options
Liquid Temperature 71C Maximum
Inlet/Outlet Ports 3/8" Female NPT thread
Connections Included None - Click here for options
Fan cooled motor No
Dimensions Length: 260mm   Height: 94mm    Width: 100mm
Made in: Mexico
Spare Parts Click here for all spare parts
Accessories Click here for accessory index