Drum pump for 99.98% drum emptying

F 425 / FP 425

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With the Drum pump F/FP 425 there is less than 0.05 l residual amount left in a 200 l drum, so maximum 0.02 %. The pump has an integrated backflow valve that is easy to close before taking the pump out of the container. Thus the backflow of the medium in the pump is prevented. This makes optimum use of especially expensive media possible and saves additional cleaning and disposal costs when handling problematic media. The pump is available in stainless steel, polypropylene and hastelloy C. In stainless steel and hastelloy C the pump F/FP 425 can also be used in hazardous areas.

 

  • Application areas: Ex  

Technical data:

  • Flow rate: max. 120 l/min1
  • Delivery head: max. 26 mwc2
  • Viscosity: min. 1 mPas - max. 1200 mPas2
  • Outer tube diameter: min. 41 mm3 - max. 50 mm3
  • Immersion length: 700, 1000, 1200
  • Materials outer tube: Polypropylene, Stainless steel, hastelloy C
  • Media / Fluids: Acids, Alkalis, Petroleum products, Highly flammable media, Solvents, Fuels
  • Seal: with mechanical seal
  • Container: 200 l drums, 1000 l IBC
  • 1 The maximum delivery rate is a test bench value, measured with water at 20 ° C at the pressure port of the pump, without accessories (hose, nozzle, flow meter). The practically achievable delivery rate is lower. It depends on the individual application, the fluid properties and the pump configuration. Please refer to technical data sheets / performance diagrams.
  • 2 dependent on pump model, motor and medium
  • 3 dependent on pump model

Product attributes

  • With backflow stop
  • Two adjusting levers to easily close the backflow stop
  • With mechanical seal for seal of inner tube
  • Metal core in the inner tube at the PP version
  • Versions for use in hazardous areas available
  • Grease-lubricated shaft bearing
  • Can be combined with various motors as required

Benefits

  • Optimal residual emptying with e.g. less than 0.05 l residual amount left in 200 l drum
  • No tilting to totally empty the drum
  • Reduction of cleaning and waste disposal costs
  • No loss of medium when taking the pump from drum to drum
  • Optimal use of fluids
  • Unique, only at FLUX: the inner tube reinforced by a metal core at the PP version. It prevents leakage and unnecessary wear of the mechanical seal in all operating temperature ranges.
  • Can be temporarily operated against closed valve (hand nozzle, valves etc.) until the indicated temperature of the materials is reached
  • Stainless steel and hastelloy C version can be used in hazardous areas
  • Appropriate motors

    Commutator motor
    FEM 4070
    Delivery rate max. 105 l/min
    Delivery head max. 7,5 mwc

    F 457 / F 457 EL
    Delivery rate max. 120 l/min
    Delivery head max. 11 mwc

    F 458 / F 458 EL
    Delivery rate max. 115 l/min
    Delivery head max. 8 mwc

    F 460 Ex / F 460 Ex EL
    Delivery rate max. 115 l/min
    Delivery head max. 8 mwc

    F 458-1 / F 460-1 Ex
    Delivery rate max. 110 l/min
    Delivery head max. 10 mwc

    Brushless motor
    FBM 4000 Ex
    Delivery rate max. 110 l/min
    Delivery head max. 8 mwc

    Three-phase gear motor
    F 414
    Delivery rate max. 100 l/min
    Delivery head max. 7 mwc

    Compressed-air motor
    F 416 Ex / F 416-1 Ex / F 416-2 Ex
    Delivery rate max. 130 l/min
    Delivery head max. 13 mwc

    The maximum delivery rate is a test bench value, measured with water at 20°C at the pressure port of the pump, without accessories (hose, nozzle, flow meter). The practically achievable delivery rate is lower. It depends on the individual application, the fluid properties and the pump configuration. Please refer to technical data sheets / performance diagrams.

  • Media examples

    Outer tube polypropylene:
    Hydrochloric acid, boric acid, sulfuric acid, citric acid, lactic acid, phthalic acid, sodium hydroxide, potassium hydroxide, ammonia water

    Outer tube material stainless steel:
    Petroleum, diesel, heating oil, hydraulic oil, machine oil, engine oil, gasoline, formic acid (85 %), ethyl glycol, petroleum, "MEK (methyl ethyl ketone = butanone), octane, ethanol, methanol, butanol, acetan, toluene, isobutanol, propanol, xylene, urea solutions, naphtha, diesel

    Outer tube Hastelloy C:
    Gasoline, formic acid (85%), ethylene glycol, petroleum, MEK (methyl ethyl ketone = butanone), octane

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