Dosing of Sodium-Dichlorisocyanurate (NaDCCA)

Dosing station for Dichlor granulate for the disinfection of drinking water, cooling water, waste water and waste gas. Chlorine dosing directly from the chlorine drum. Chlorine is dosed into the dissolving system where it is dissolved completely and then conveyed by a venturi nozzle to the water system as hypochloric acid. Dosing continuously or controlled by an external 4-20mA controller. Monitoring of all functions.


Technical Data

Electrical supply 230 V/AC 50Hz 
Power supply 0,3 kW 
Water supply DN20 
Water outlet to injection point DN20 
Measures W 60 cm x D 70 cm x H 160 cm 
Weight app. 60 kg  
Dosing performance max. 10 kg/h 
Pre-pressure min. 0,2 bar  
Back-pressure max. 1,5 bar (optional up to 3 bar)  

Scope of delivery

  • Vertical support : Rotating drum carrier, steel, zinc and blue powder coated, drum fixing device with clamp bands and safety belt
  • Chlorine dosing : Dosing hopper to be screwed on the chemical drum. Dosing motor, dosing screw, knocker to support the dosing. Capacitive switch for empty monitoring of the drum
  • Dissolving system : Pre-filter d75, flushing tank, booster pump app. 800 l/h at 1,2 bar, venturi, mixing cyclone. Monitoring of the pump by pressure switch. Monitoring of the suction performance of the venturi. Level switch min/max flushing tank
  • Micro processor controller S4-DI : in housing IP 54. Programme selector for service and test programmes. Control of the dosing contiuous or by control input 4-20mA from a flow meter. Switch off of the dosing at malfunction. Non volt fault remote control. Processing of all monitoring switches and identification of irritations by 5 LEDs

To be provided by the builder

  • Power supply
  • Supply tubing and tubing to the injection point
  • Overflow/ drain in the plants room
  • Autocontrol system to control the GRANUDOS

Accessories/ Options

  • Deliverable for drums  20-50 kg
  • Drum lifter for 50 kg-drum
  • Container system GR150