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Drum Pump for Corrosive Liquids: Concentrated & Corrosive Acids

Handling and transferring concentrated and corrosive acids pose significant challenges in industries that deal with these hazardous chemicals. Whether its sulphuric acid, hydrochloric acid or another potentially aggressive substance, it’s critical to use safe pumping equipment that is chemically resistant and easy to handle. A drum pump for corrosive liquids is an essential tool for efficiently transferring these harsh substances, while maintaining the highest standards of safety and reliability. 

Flux Pumps offers class-leading drum and IBC pumps specifically designed to handle corrosive chemicals with ease. These pumps use high-quality, acid-resistant materials. They are manufactured in Germany to exacting standards. Their design ensures long-lasting performance and minimises the risk of leaks, splashes, and spills.  

We test each pump and motor individually before sale, minimising the risk of failure during important operations. By using a specialised drum pump for corrosive liquids, businesses can safely and quickly handle concentrated acids, reducing the risk of accidents and improving operational efficiency. 

Features of a Flux drum pump for corrosive liquids

The Flux drum pump for corrosive liquids specifically handles concentrated and aggressive acids with the highest standards of safety and performance. With unique design features and durable construction, these pumps ensure safe transfer of harsh chemicals. Here's why Flux is the top choice for handling corrosive acids: 

Flux pumps are constructed from high-quality, corrosion-resistant materials such as PVDF, ETFE, and Hastelloy C. These materials withstand even the most aggressive acids and corrosive liquids, ensuring maximum durability and performance.

Flux drum pumps minimise the risk of leaks and splashes, protect operators and prevent damage to surrounding equipment. Our pumps are lightweight, portable designs, with ergonomically designed handles and recessed controls that minimise the risk of accidental damage or operator error. Hand nozzles can be provided for accurate dispense control.

Our PVDF drum and container pumps are ideal for a wide range of concentrated and corrosive acids. You can use one pump to transfer substances such as sulphuric acid, hydrochloric acid, or nitric acid.

Alternatively one motor can be used to power several different pumps. This is a cost-effective way to quickly deliver various liquids without risk of cross-contamination. Such versatility makes them suitable for use in many industries and applications, including chemical manufacturing, water treatment and metal processing.

Plus, we designed our F 458 drive motor for use in corrosive environments. Its robust, double-walled, IP 55 fume-resistant housing and acid-resistant paint provide superior protection in such conditions.

We design our products for easy servicing. Quick assembly and disassembly ensure fast turnaround and minimal downtime. All parts are available to buy as spares. Alternatively, you can send your pump back to us for repair and we will return it with a new 1 year warranty. Don’t throw away a Flux – repair and save money in the long-term.

Concentrated and corrosive acid transfer applications

 The Flux drum pump for corrosive liquids is used to transport concentrated acids safely and efficiently, meeting rigorous industry demands. Here are some typical application examples: 

Acetic Acid is used in the production of plastics such as vinyl acetate and cellulose acetate. It is also essential for the manufacturing of photographic films and textiles. Acetic Acid is the main component of vinegar (which contains between 4 to 18% acetic acid) and is used as a food preservative and food additive (known as E260). The concentrated form, known as glacial acetic acid, is corrosive and requires specialised handling.

Nitric Acid, a highly reactive, corrosive substance, is used extensively in the production of fertilisers (such as ammonium nitrate) and explosives such as TNT. It also serves in the oxidation/dissolving of metals, nitration of organic compounds and the manufacturing of rocket propellants. Other uses include production of dyes, coatings and medicines. 

Mixing Chromium Trioxide with water forms Chromic Acid. Its primary use is for chrome plating, which provides a durable, corrosion-resistant, high-lustre finish for metal and plastic surfaces. Additionally, it is also used in ceramic glazes and production of coloured glass. It is a strong oxidizing agent used to clean metal surfaces and glassware in laboratory settings. We manufacture Flux PVDF pumps to handle chromic acid safely and efficiently in metal finishing, aerospace, and automotive applications.

Hydrofluoric Acid is widely used as an etchant for glass and metals. It can dissolve some metals; therefore pumps must not contain steel or brass components. Manufacturers also use it in the production of semiconductors, plastics, fluorocarbons, herbicides, petrol and aluminium. Additionally, it also serves as a rust remover and as an ingredient in the manufacture of stain removers, resins and certain pharmaceuticals. Due to its ability to penetrate tissues and cause severe burns, handling hydrofluoric acid requires specialised pumps. Operators must also wear appropriate PPE. Flux drum pumps for corrosive liquids deliver reliable performance for hydrofluoric acid transfer. 

Manufacturers use Hydrogen Peroxide in a wide range of industrial, cleaning, and personal care applications. Other uses include food processing, production of antiseptics, textile bleaching, stain removal and whitening. At higher concentrations, may be used as a propellant in rocket fuels and in the production of foam rubber. Due to its instability and ability to decompose, handling concentrated hydrogen peroxide demands pumps that can safely transfer this oxidising agent without risk. We design Flux PVDF barrel and container pumps for the safe transfer of hydrogen peroxide in industrial applications. 

How can a chemical barrel pump help dose Sulphuric Acid into electroplating baths without a power supply?

For applications such as electroplating, where precise dosing of dilute sulphuric acid is required, the FP 314 CombiFlux pump with FBM-B 3100 battery motor offers an efficient and highly portable solution. This pump can safely and accurately dose dilute sulphuric acid into electroplating baths, without the need for an external power supply. 

The FBM-B 3100 battery motor can pump over 3,000 litres on a single charge, making it ideal for small to medium-volume transfers. Its lightweight design and quick connect motor provides ultimate flexibility, ensuring that the pump can be easily used for a range of applications, even in remote or off-grid locations, or when trailing cables are undesirable.

Which drum pump is used for transferring Nitric Acid?

Nitric acid is one of the most commonly used corrosive acids for industrial applications. For safety reasons, it's essential to use a drum pump that provides sufficient chemical resistance to the corrosive properties of nitric acid. The Flux FP 424 seal-less drum pump for corrosive liquids, constructed from materials such as PVDF, Hastelloy C and ETFE, is ideal for transferring nitric acid. When used with a suitable fume-resistant drive motor, such as our F 458 model, be assured that you have the best pump for the job. You should also consider using chemically resistant, PE-lined chemical hose and a PVDF/PTFE dispensing nozzle for controlled acid transfer. 

Which materials are most resistant to corrosion for drum pumps?

When selecting a drum pump for handling strong acids, the materials of construction are crucial to ensure durability and safety. The most corrosion-resistant materials for drum pumps used with strong acids include: 

  • PTFE (Polytetrafluoroethylene): PTFE is highly resistant to nearly all chemicals, including concentrated acids. It’s ideal for use with corrosive substances like sulphuric acid, hydrochloric acid and nitric acid. 
  • Hastelloy C276:  Is a strong, corrosion resistant nickel-chromium-molybdenum alloy used to manufacture driveshafts for drum pumps. It is able to withstand both non-oxidizing and oxidizing acids and is very resistant to stress corrosion cracking. 
  • PVDF (Polyvinylidene Fluoride): PVDF is another highly durable material, resistant to a variety of corrosive chemicals, for example, hydrofluoric acid and peracetic acid. It is safe to use in highly demanding acid handling applications. 

These materials ensure that Flux drum pumps can provide reliable and long-lasting performance when transferring aggressive chemicals. However, also consider the temperature of the liquids being pumped, as it can affect the material resistance. The materials listed are typically satisfactory for use up to 80 deg C. 

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