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Chemical Compatibility Guide for Flux Drum Pumps

Firstly, selecting the correct drum pump material is critical to ensuring long-term performance, safety and chemical resistance. Use this chemical compatibility guide to identify the correct pump tube material for commonly pumped media. Compatibility is based on widely available chemical resistance data and Flux’s engineering standards. Importantly, if you are unsure about the correct material selection for your application, always confirm application specifics with our technical team.  

Polypropylene drum pumps

Typical applications: Acids, alkalis, lyes, detergents, sanitisers, aqueous chemicals 

Compatible media: 

  • Aluminium chloride
  • Aluminium sulphate
  • Hydrochloric acid
  • Sulphuric acid (up to 70%)
  • Boric acid
  • Citric acid
  • Lactic acid
  • Phthalic acid
  • Sodium hydroxide (caustic soda)
  • Sodium hypochlorite
  • Potassium hydroxide
  • Potassium permanganate
  • Ammonia water
  • Sodium chloride
  • Acetic acid (up to 10%)
  • Sodium sulphate
  • Sodium bicarbonate
  • Adblue and urea solutions

Notes: Polypropylene offers good resistance to dilute acids and alkalis. Avoid strong oxidisers, hydrocarbons and solvents. 

PVDF (Polyvinylidene fluoride) drum pumps

Typical applications: Concentrated acids, oxidising acids, halogenated compounds 

Compatible media: 

  • Hydrofluoric acid
  • Battery acid
  • Nitric acid
  • Nitrous acid
  • Chloric acid
  • Hydrobromic acid
  • Chromic acid
  • Perchloric acid
  • Sulphuric acid (concentrated)
  • Methyl sulphuric acid
  • Acetic acid (up to 80%)
  • Phosphoric acid
  • Peracetic acid
  • Ferric chloride

Notes: Excellent resistance to high-concentration acids or halogen-containing media. Common in electronics production, metal plating shops. 

Stainless steel (316 Ti / 316 L) drum pumps

Typical applications: Solvents, fuels, alcohols, oils, food 

Compatible media: 

  • Food and beverage products
  • Petrol
  • Kerosene
  • Jet A1
  • Acetic Acid (80-100%)
  • Formic acid (up to 85%)
  • Ethyl glycol
  • Ethanol
  • Octane
  • Methanol
  • Naptha
  • Butanol
  • Acetone
  • MEK (Methyl Ethyl Ketone)
  • Toluene
  • Xylene
  • Isobutanol
  • Propanol
  • White spirit
  • Acetonitrile
  • Acrylonitrile

Notes: Best for flammable liquids, solvents and oils. Suitable for ATEX zoned areas and tough applications requiring high mechanical strength. 

Aluminium drum pumps

Typical applications: Non-flammable oils and fuels 

Compatible media: 

  • Diesel
  • Heating oil
  • Engine oil
  • Machine oil
  • Hydraulic oil
  • Gear oil
  • Coolant

Notes: Lightweight and cost-effective. Avoid acids, solvents and halogenated compounds. 

Hastelloy C drum pumps

Typical applications: Aggressive solvents, high-end chemical processing 

Compatible media: 

  • Butyl Chloride
  • Chlorine water
  • Bromic acid
  • Formic acid (85 - 100%)
  • Hydrazine

Notes: Designed for extreme corrosion resistance and high temperature fluids. Suitable for ATEX applications, flammable liquids, pharmaceuticals and chemical processing sectors where standard steel alloys may fail. 

Disclaimer

Chemical compatibility depends on concentration, temperature and system design. Therefore, this list is for reference only. Furthermore, always consult three independent chemical resistance charts, or contact Flux technical support, before finalising material selection. 

Download our chemical resistance chart here.

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