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Barrel pumps: principle of operation, applications and selection criteria

The barrel pump consists of a submersible part (tube), a motor (electric, pneumatic or manual drive) and a nozzle for connection to the barrel.

The principle of operation depends on the type of pump:

  1. Centrifugal barrel pumps: They use an impeller to create a centrifugal force that transports the liquid.
  2. Diaphragm barrel pumps: The liquid is pumped through the reciprocating motion of the membrane, which creates pressure.
  3. Gear drum pumps: They are used to work with viscous liquids, moving them with the help of gears.

Main areas of application

  1. Chemical industry: Pumping acids, alkalis, solvents and other aggressive liquids.
  2. Food industry: Working with oils, syrups, sauces, and dairy products.
  3. Pharmaceutical industry: Transportation of sterile solutions, concentrates and other liquids.
  4. Cosmetics industry: Pumping creams, shampoos, and lotions.
  5. Oil and gas industry: Pumping oils, fuels, and lubricants.
  6. Water purification: Pumping reagents and disinfectants.

Features of barrel pumps

  1. Versatility:
    They can handle a wide range of products, from watery to viscous, including chemically active substances.
  2. Materials of execution:
    • Stainless steel for aggressive environments.
    • Polypropylene or PVDF for chemically active liquids.
    • Aluminum for working with fuel products.
  3. Ease of use:
    Easy installation in a barrel or canister, the ability to quickly change the place of work.
  4. Security:
    Some models are equipped with explosion-proof motors for use in hazardous environments.
  5. Reason:
    • Electric: High performance, suitable for continuous work.
    • Pneumatic: It is used in hazardous areas.
    • Manual: An economical option for small volumes of liquids.

How to choose a barrel pump?

  1. Fluid characteristics:
    Take into account the viscosity, chemical composition, and temperature of the working medium.
  2. Materials of execution:
    Select a pump made of materials that are suitable for the fluid to be transported.
  3. Productivity:
    Determine the required pumping volume per unit of time.
  4. The length of the tube:
    Choose a model with the right length for your container type (barrels, canisters, etc.).
  5. Type of drive:
    Choose from electric, pneumatic, or manual depending on the working conditions.

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