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Dosing Pumps

Precision for Chemical & Additive Delivery

Dosing pumps are essential in industries that require accurate and consistent delivery of fluids in small volumes. Whether it’s adding food-grade flavorings or injecting corrosive chemicals, these pumps provide fine control over flow rates, reliability under pressure, and resistance to demanding process conditions.

Applications of Dosing Pumps

Dosing pumps are widely used in:

  • Water treatment – chlorine, pH correction, flocculants
  • Food and beverage – flavors, colorants, preservatives
  • Chemical processing – acids, alkalis, reagents
  • Mining and industrial – anti-scalants, surfactants, frothers
  • Pharmaceuticals – nutrient feeds, sterilants, vitamins

Types of Dosing Pumps

1. Diaphragm (Solenoid or Motor-Driven) Dosing Pumps

  • Ideal for precise, low-flow applications.
  • Great chemical resistance.
  • Available in manual or digital control.
  • Common in water treatment and chemical processing.

2. Peristaltic Hose Pumps

  • Excellent for viscous or abrasive fluids.
  • No valves or seals in contact with the fluid.
  • Gentle pumping action – ideal for shear-sensitive products.
  • Used in food processing and slurries with entrained solids.

3. Piston Dosing Pumps

  • Very high pressure capabilities.
  • Suited to dosing into pressurized systems or when high accuracy is needed.
  • Typically found in chemical injection systems and oil & gas.

4. Progressive Cavity (Helical Rotor) Pumps

  • Accurate and smooth flow, even at low rates.
  • Can handle viscous or particulate-laden fluids.
  • Well-suited for polymers, thickeners, and food pastes.

5. Gear Pumps

  • High precision at consistent flow rates.
  • Good for dosing oils, adhesives, and additives in industrial systems.
  • Simple design, durable, and compact.

Key Considerations

When selecting a dosing pump, it’s important to evaluate:

  • Flow rate accuracy and control – adjustable flow is often required.
  • Chemical compatibility – wetted parts must withstand corrosive or sensitive fluids.
  • Cleaning and maintenance – food-grade applications may require CIP/SIP compatibility.
  • Pressure requirements – dosing into pressurized systems needs robust pump types.
  • Integration – many pumps offer digital input/output for automation systems.

Dosing Pump Expertise

At The Pump Expert, we help you select the best dosing pump for your application, balancing reliability, precision, and total cost of ownership. Whether you’re working with harsh chemicals or sensitive ingredients, we can recommend a dosing system that fits seamlessly into your process.