Bulk Handling Solutions

Solutions for water treatment operators

DIS - Direct Injection System

This variable concentration direct injection unit allows the chemical to be dissolved in powder form directly in a pipeline, without the need of a mixing tank. Typical products used in water treatment with this process are: powder activated carbon (PAC), magnesium oxide (Mag-Ox), sodium carbonate (Soda Ash), dry polymer and many others.

This operation requires a constant flow and pressure from the service water line supplied by the plant and the concentration of the solution at the outlet of the hydro-ejector is variable according to the speed of rotation of the metering screw. This completely autonomous system will be able, with the help of its PLC, to communicate with the factory controls which will simply request a quantity of chemical and the DIS system from CON-V-AIR Solutions will automatically adjust without any delays.

Water supply line comes standard with:

  • Manual ball valve
  • Diaphragm solenoid valve
  • Pressure gauge
  • Manual globe valve for the wetting unit
  • Required piping, fitting and hoses

We can also perform tests which will confirm the accuracy of our unit on your applications.


  • Power Plant
  • Mining
  • Wastewater/Water Treatment
  • Municipal
  • Industrial


  • ISO 9001:2015
  • In-house quality control
  • Durable coating according to any applications
  • Factory prewiring, preassembled and tested
  • OEM system installation


Configurator options

Capacity chart

Process and instrumentation diagram

Dimensions Table