Dosing of Sodium-Dichlorisocyanurate (NaDCCA)

Dosing unit GRANUDOS FB for the production of a max. 5% chlorine solution of Dichlor granules directly from a dosing hopper (15 kg or 35 kg). The dosed chemical is dissolved completely and injected into the the system by a suitable dosing pump. The dosing rate for the chlorine granulate and the chlorine solution can be adjusted. The dosing rate of the pump may be controlled continuously, by an internal ORP controller or by an external flow meter.


Technical Data

Electrical supply 230 V/AC 50Hz / optional 24 V/DC  
Power supply 25 W  
Water supply DN10  
Water outlet to injection point DN10  
Measures W 40cm x D 40cm x H 125cm 
Weight app. 35 kg  
Dosing performance max. 10 kg/h 
Pre-pressure min. 1,5 bar 
Back-pressure max. depending on dosing pump 

Scope of delivery

  • Housing : Solid one part rotational sintered PE shape containing all functional parts
  • Chlorine dosing : Dosing hopper for chlorine granulate, Dosing motor, dosing screw, knocker to support the dosing. Capacitive switch for empty monitoring of the drum
  • Dissolving system : Flushing tank, dissolving pot FB, monitoring switch min-max alarm of the flushing tank, floating valve to prevent overflow
  • Micro processor controller  FB-H : in housing IP 54. Adjustment of dosing performances from 10-100% by rotary knob, programme selector for service and test programmes. Non volt fault remote control. Processing of all monitoring switches. Identification of faults by 5 LEDs. Switch off of the dosing at malfunction

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

  • Dosing pump
  • ORP-control
  • Flow meter for the dosing of the solution