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F 424 polypropylene drum pump
F 424 PVDF drum pump
F 424 Stainless Steel Drum Pump
F 424
F 424
F 424
F 424
F 424

Flux F 424 Sealless Drum Pump – Ideal for Continuous Transfer

Price range: £454.54 through £988.49

Class‑leading, heavy‑duty F 424 drum pumps dispense almost any liquid from 200‑litre drums, IBCs, tanks and process vessels.
  • These transfer pumps handle neutral, corrosive and flammable fluids, depending on the specification
  • Handles maximum viscosity of approx. 1,200 mPas
  • Unique spiral guide bearing for optimal driveshaft stability and drainage
  • No mechanical seal in the wetted liquid area – suitable for limited dry running
  • Available in polypropylene, PVDF and stainless steel 316 materials
  • The pump transfers clean, non‑crystallising liquids such as acids, alkalis, solvents, oils and also fuels
  • Stainless steel models are ATEX-certified for use in hazardous areas
  • Finally, choose F 424 for the longest service life in demanding chemical and petrochemical environments
Lead times may vary, subject to prior orders. If next day delivery is required, please contact us to discuss availability before placing your order.

The following part numbers are available on our online shop:

  • 10-42460012
  • 10-42460010
  • 10-42460007
  • 10-42440012
  • 10-42440010
  • 10-42440007
  • 10-42422007
  • 10-42422010
  • 10-42422012

Category

Details
Pump type Flux F / FP 424, seal‑less, centrifugal drum transfer pumps
Ex‑classification Ex II 1/2 G IIB T4 (stainless‑steel version only)
Outer tube material Polypropylene (PP); PVDF; Stainless Steel 316 Ti
Driveshaft Heavy‑duty Hastelloy C or Stainless Steel, 6 mm diameter for maximum vibration resistance
Inner tube Polypropylene; PVDF; Stainless Steel 316 Ti
Impeller ETFE axial impeller; optional semi‑axial impeller available
Bearing material Flux PTFE spiral driveshaft bearing with oversize lower bearing housing
O‑rings FKM; optional FFKM or FEP (vapour seal only)
Immersion lengths 700 mm (small containers/hobbocks); 1000 mm (200 L drums); 1200 mm (1,000 L IBCs); custom lengths available
Outer tube diameter 40–50 mm* (depending on model)
Outlet connection G 1 1/4” A BSPP
Max flow rate Approx. 240 L/min¹
Max discharge pressure Approx. 30 mwc¹
Maximum liquid temperature 50°C (PP); 80°C (PVDF); 100°C (Stainless steel); 60°C (HT version)
Max density Approx. 1.9 g/cm³
Max viscosity Approx. 1,200 mPas
Dry run limitations Suitable for limited dry‑running
Solids handling Not recommended for large quantities of solids (use F 430 for solids)
Motor options F 414; F 416 Ex; FEM 4070; F 457; F 458; F 460 Ex; FBM 4000 Ex; FBM 4100
Notes Measured with water at 20°C in open‑flow conditions. Performance depends on application, fluid properties and also pump configuration. Dependent on pump type, diameter and additionally motor.

  • We also offer a special AdBlue® version free of non‑ferrous metals
  • High temperature (HT) stainless steel version for ambient temperatures up to 60°C (140°F)

Please note: our drum transfer pumps do not include a hose connection; you need to purchase it separately.

*AdBlue® is a registered trademark of: Verband der Automobilindustrie e. V. (VDA)

Please see our comprehensive list of media examples for the F 424 drum pumps, grouped by pump material.

Benefits of the F 424:

  • Firstly, seal-less design eliminates preventative maintenance requirements and provides limited dry run protection
  • Self-draining inner tube reduces cross-contamination risk
  • 24 mm heavy-duty upper bearing and unique Flux spiral bearing combine to deliver class-leading driveshaft support
  • Oversize lower bearing housing with 2 mm thick PTFE bushing
  • ETFE impellers deliver chemical resistance and also durability
  • Furthermore, you can operate the pump temporarily against a closed valve (hand nozzle, dispense valve, etc.) without causing damage
  • Two radial shaft seals block vapour from entering the coupling area
  • Additionally, the reversible 6 mm drive shaft doubles the service life of the most expensive replacement part
  • The serviceable design ensures you can buy every part as a spare
  • ATEX stainless steel versions also available for explosive atmospheres
  • Finally, drum transfer pumps suitable for high temperature applications up to 100 deg C (depending on model)

Learn more about our 400 series pumps 

View our electric motor options 

View our battery motor for our 400 series 

View our pneumatic motor option 

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