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99.98% barrel and residual emptying

99.98% barrel and residual emptying

F 425 / FP 425 – less than 0.05 l of residual liquid in a 200-l drum. A backflow preventer prevents backflow, reducing cleaning and disposal costs.

Advantages

  • Features

  • Advantages

  • Media Examples

    Note: Specific suitability depends on the selected material, seal, and motor configuration.

Technology

F 425 / FP 425 – Drum Pumps for 99.98% Residual Emptying

Less than 0.05 litres remain in a 200-litre drum

The F/FP 425 drum pump leaves less than 0.05 litres of residual fluid in a 200-litre drum. This corresponds to a maximum residual volume of just 0.02%.

An integrated non-return valve can be closed before removing the pump from the container. This prevents the fluid remaining inside the pump from flowing back into the drum.

The pump allows expensive fluids to be used almost completely. For critical fluids, it also reduces drum cleaning and disposal costs.

The F/FP 425 is available in stainless steel, polypropylene and Hastelloy C. The stainless-steel and Hastelloy C versions are also suitable for use in potentially explosive atmospheres.

View F 425 Models Compatible Motors

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The technical specifications depend on the pump model, motor, and fluid. ¹ The maximum flow rate is a test bench value measured with water at 20 °C at the pump’s discharge port, without accessories such as hoses, dispensing nozzles, or flow meters. The flow rate that can be achieved in practice is lower and depends on the specific application, the properties of the fluid, and the pump configuration. See technical data sheets or performance charts. ² Depends on pump model, motor, and fluid. ³ Depends on pump model.

Comparison of the 99.98% barrel and residual emptying versions
CharacteristicSpecification
Maximum flow rate120 l/min¹
Maximum head26 mWS²
Viscositymin. 1 mPas to max. 1,200 mPas²
Outer pipe diametermin. 41 mm³ to max. 50 mm³
Immersion depth700, 1,000, or 1,200 mm
Outer tube materialHastelloy C, polypropylene, stainless steel
Media / FluidsAcids, alkalis, fuels, highly flammable media, mineral oil products, solvents
Sealwith mechanical seal
Containers1,000-liter IBCs, 200-liter drums

Downloads

Documentation for planning, operation and maintenance.

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