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Water-Powered Proportional Dosing Made Simple

A Dosatron works by using the flow and pressure of water to activate an internal dosing mechanism. This allows the unit to automatically draw a concentrated product from a separate container and inject it into the main water line at a consistent, pre-set ratio.Because the dosing is proportional, the concentration remains accurate even if water flow changes.

This makes Dosatron ideal for fertigation, livestock medication, washdown, water treatment, greenhouse irrigation, and many other applications.

See the Dosing Process in Action

The diagram below shows the basic operating cycle of a Dosatron dosing pump. As water enters the unit, it drives the internal piston, which creates the suction needed to draw concentrate into the body of the pump. The product is then mixed with the passing water and discharged downstream as a consistent solution.

Step-by-Step: How the Dosatron Doses

  • Step 1. Water Enters the Unit

    Water enters the Dosatron through the inlet connection and begins flowing through the body of the pump. This incoming water provides the energy required to operate the unit.

  • Step 2. The Hydraulic Motor Activates

    As water moves through the Dosatron, it drives the internal hydraulic motor. This piston-like movement powers the dosing action and keeps the injection process proportional to the flow of water.

  • Step 3. Concentrate is Drawn from the Solution Tank

    The movement of the motor creates suction, which draws concentrated product up through the suction hose from an external container. This can be fertiliser, medication, detergent, sanitiser, or another compatible liquid additive.

  • Step 4. The Product is Injected and Mixed

    The concentrated product is injected into the water stream inside the Dosatron body at the selected ratio. This creates a uniform and consistent solution ready for application.

  • Step 5. Mixed Solution Exits the Unit

    The dosed solution then exits the unit through the outlet connection and continues downstream into the irrigation, drinking water, washdown, or treatment system.

Why Dosatron Technology is So Effective

  • Operates without electricity

  • Maintains proportional dosing accuracy

  • Automatically Adjust changes in water flow

  • Reduces manual mixing and handling

  • Suitable for many different industries and applications

  • Simple, reliable, and easy to maintain

Consistent Dosing, Even When Flow Changes

One of the key advantages of a Dosatron is its ability to maintain a consistent dosing ratio across varying water flow conditions. Unlike fixed-volume injection systems, Dosatron automatically adjusts its dosing action in proportion to the water passing through the unit, helping ensure reliable and repeatable results.

Used Across a Wide Range of Applications

This simple but highly effective operating principle is what makes Dosatron suitable for a broad range of applications including fertigation, livestock medication, greenhouse feeding, washdown and sanitation, water treatment, and industrial dosing.

Find the Right Dosatron for Your Application

Now that you understand how Dosatron works, explore our range of water-powered dosing pumps to find the right model for your flow rate, dosing ratio, and application.

Shop Dosatron Range View Product Comparison Guide