Drum Pumps | Barrel Pumps | Container Pumps... "THINK FLUX"

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Type FDM 25

Features and benefits:

  • safe dry-running
  • max. size of solids 3,2 mm
  • Connections: 
    Plastic pump models:
    Suction/discharge side: flange 1"
    Metal pump models:
    Suction/discharge side: female thread BSP 1"

    Air inlet: 1/4" NPT female
    Air outlet: 3/8" NPT female
  • versions in stainless steel 316 Ti (S) and aluminium alloy (AL) 
    are explosion-proof to Directive 94/9/EC-ATEX100

The pump is available in:

  • Pump housing: Polypropylene (PP), Polyvinylidenfluoride (PVDF), 
    stainless steel 316 Ti (S), aluminium alloy (AL)
  • Diaphragm: NBR, PTFE, Santopren

Temperature range:

  • Pump housing: 
    PP: up to max. 65 °C
    PVDF: up to max. 90 °C 
    S: up to max. 100 °C
    AL: up to max. 100 °C
  • Diaphragm and seals: 
    Santopren: up to max. 100 °C
    PTFE: up to max. 100 °C
    NBR: up to max. 80 °C

Performance data


  • obtained with water at 20 °C
  • Delivery rate: max. 178 l/min
  • Suction head wet: max. 7,6 m water column
  • Suction head dry: max. 4,5 m water column
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Tomlinson Hall is delighted to be a distribution partner for FLUX, a leader in its field, and a developer of barrel pump technology for more than 60 years. Its dedication to research and development and product evolution reflects Tomlinson Hall’s own commitment to offering the very best pump products to our customers.

FLUX, along with DEPA and ELRO, is part of a strong contingent of German pump brands in our product portfolio, and we are proud to support the German pump industry.

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