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Price range: £378.19 through £1,259.96 Excluding VAT
The Flux F 430 drum pump is designed for heavy-duty use. Combining high performance, proven durability and a choice of materials, it delivers quick and efficient liquid transfer from drums, IBCs, tanks and containers.
Category | Details |
| Pump type | Flux F 430 centrifugal drum pump with ceramic‑oxide mechanical seal |
| Ex‑classification | Ex II 1/2 G IIB T4 (stainless steel, FOOD and Hastelloy C versions only) |
| Outer tube materials | Aluminium; Hastelloy‑C; Polypropylene (PP); Polyvinylidene Fluoride (PVDF); Stainless Steel 316 Ti |
| Driveshaft | Hastelloy C (PP & PVDF models); Stainless steel for Aluminium, Stainless Steel and FOOD versions |
| Inner tube | PP and PVDF with over‑moulded, steel‑cored inner tube; or Aluminium, Hastelloy C, Stainless Steel 316 Ti |
| Impeller | ETFE axial impeller (standard); Optional semi‑axial impeller; Stainless Steel axial impeller for FOOD version |
| O‑rings | EPDM, FKM (PP models); FKM, FFKM (PVDF models); FKM, FFKM/FEP (Stainless steel models); FKM (FOOD models); FFKM (Hastelloy C models); NBR (Aluminium models) |
| Standard immersion lengths | 700 mm; 1000 mm; 1200 mm |
| Custom immersion lengths | 300–3000 mm (manufactured to order) |
| Outer tube diameter | 40–50 mm depending on model |
| Outlet connection | G 1 1/4” A BSPP |
| Certification | FDA CFR 21, EC 1935/2004 (FOOD version only) |
| Motor compatibility | F 414, F 416 Ex, FEM 4070, F 457 (all), F 458 (all), F 460 Ex (all), FBM 4000 Ex motors (hose connection not included) |
| Max flow rate | Approx. 240 l/min*¹ |
| Max discharge pressure | Approx. 28 mwc*¹ |
| Maximum liquid temperature | 50°C (PP); 80°C (PVDF); 100°C (Stainless steel); 80°C (Aluminium); 120°C (Hastelloy‑C) |
| Max fluid density | Approx. 1.9 g/cm³ |
| Max viscosity | Approx. 1200 mPas |
| Dry run limitations | Not suitable for sustained dry‑running |
| Solids handling | Suitable for larger quantities of solid particles and abrasive media; optional inlet strainer available |
| Notes | ¹Measured with water at 20°C in open flow. Performance depends on application, fluid properties and pump configuration. Dependent on pump type, diameter and |
The following part numbers are available on our online shop:
Firstly, choosing the right drum pump requires a comprehensive assessment of fluid properties and application parameters. You can find a list of considerations in our pump selection guide.
Once you have checked the performance curves and selected the correct materials of construction, motor type etc, as outlined in our guide, you should have a good idea if the F 430 pump will suit the task at hand.
F 427 and F 430 FOOD pumps are both stainless steel, low viscosity drum pumps, suitable for handling food, beverage and pharmaceutical products. Both models are available in a range of lengths and use the same F 400 series drive motors. Performance characteristics of the two models are the same.
F 427 is a seal-less pump, which is ideal for transferring pure, solids-free, non-abrasive liquids. The pumped media will enter the inner tube that houses the drive shaft and bearings. Thanks to its innovative plug-in bearings, you can completely disassemble this pump for cleaning in a parts washer or autoclave.
Conversely, the F 430 pump incorporates a mechanical shaft seal that isolates the pumped fluid from the internal components, drastically reducing the wetted surface area. It takes only seconds to remove the top-pull inner tube assembly, complete with impeller, for physical cleaning or decontamination.
This pump performs best when handling very high-temperature products, fluids containing hard or soft solid particles, or when you need one pump to handle several different liquids. Cross-contamination risk is also minimised, thanks to its limited surface area.
The Flux F 430 drum pump is a centrifugal design, whereby an electric or compressed air motor drives a shaft-mounted, axial (or semi-axial) impeller at high speeds (up to 10,000 RPM).
The pump and motor are separate items, connected via a hand-operated union nut and a robust, replaceable coupling mechanism. The pump converts rotational energy into torque to drive the impeller, creating axial fluid flow parallel to the driveshaft.
The pump relies on gravity and atmospheric pressure to push the liquid to the pump inlet – the pump cannot create negative pressure and suck up the fluid. Therefore, the impeller must stay submerged in the fluid to operate.
Once active, it propels the liquid vertically up the pump tube, then out through the side discharge port at the top. Axial impellers prioritise flow efficiency, consequently delivering high flow rates with relatively low discharge pressure. Therefore, these pumps are suitable for most simple drum and IBC transfer tasks.
For higher discharge pressure and handling higher viscosity, or higher density fluids, F 430 drum pumps can be specified with a semi-axial impeller.
Thanks to the screw on foot-piece, impeller replacement is simple and takes just a few minutes.
The F 430 pump incorporates a mechanical shaft seal, positioned at the end of the inner tube, behind the impeller. This seal prevents the pumped medium from entering the inner tube, protecting the driveshaft and bearings from exposure to corrosive, or abrasive fluids.
Plastic pumps (constructed primarily from PP and PVDF materials) incorporate our unique, over-moulded, steel-cored inner tube. Importantly, this adds considerable rigidity to the pump tube, for resistance to torsional forces and elimination of damaging vibrations that often cause the premature failure of less robust pumps.
The pump’s heavy-duty brass bearings further support the driveshaft, reducing radial and axial loads to maintain alignment and ensure smooth operation in heavy-duty applications. This results in lower noise and vibration, enhancing operator safety and comfort while contributing to extended service life.
