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Sodium Hypochlorite Disinfection – Flow Paced

MAK Water’s Sodium Hypochlorite Disinfection Flow (SHDF) plants are designed to automatically maintain the correct amount of free chlorine in an existing reticulation line, in accordance with Australian Drinking Water Guidelines (ADWG). The standard treatment process includes an inline chlorine analyser which monitors residual free chlorine and a dosing pump to automatically dose liquid sodium hypochlorite as required, into the potable or treated water pipeline.

The system components are sized to suit the required chlorine usage rate and the sodium hypochlorite storage tank refill frequency. Options are provided for duty standby dosing pumps to improve plant reliability, a flow transmitter, a static mixer if required to improve mixing. MAK Sodium Hypochlorite Disinfection Flow plants are available as either skid mounted for internal or external installations, or containerised with air conditioning to avoid chlorine degradation.

If you have specific requirements, contact us about our custom water disinfection systems.


Sodium Hypochlorite  Storage Tank SizeL601002005001,0002,5005,000
Free Chlorine Residual (target)mg/L0.2 ~ 2 (as per Australian Drinking Water Guidelines ADWG)
Raw Water Temperature°C15 ~ 35
Ambient Design Temperature°C5 ~ 35 (15 ~ 30 for insulated containerised system)
Raw Water Flow Ratem³/hr0 ~ 1,000
Raw Water PressurekPa0 ~ 800
Power Supply-AC 240V, 1 phase, 50Hz or AC 415V, 3 phase, 50 Hz
Power Consumption (approx.)kW0.5
Container Size (optional)ft1 x 10’1 x 10’1 x 10’1 x 10’1 x 10’1 x 20’1 x 20’


✓= Standard Supply o = Optional Supply - = Not Applicable

Skid Mounted Plant
Sodium Hypochlorite Dosing Pump
Bunded Sodium Hypochlorite Storage Tank
Chlorine Analyser
Control System
Alarm Signal Output for Client Interface
Containerised Plant c/w A/C & Lightsooooooo
Container Non-slip Floor Coating-----oo
Container Insulation (walls & ceiling)ooooooo
Container Side Access Door-----oo
Duty Standby Dosing Pumpsooooooo
Flow Transmitter (existing reticulation line)ooooooo
Static Mixerooooooo
Safety Shower & Eyewash Stationooooooo
Solar Power Systemooooooo
Premium Instrumentation Packageooooooo


InstrumentationStandard PackagePremium Package
Pressure Switch (existing reticulation line)
Float Switch (sodium hypochlorite storage tank)
Chlorine Analyser (4-20mA)
Level Transmitter (4-20 mA, sodium hypochlorite storage tank)-
Data Logger (residual chlorine)-
Remote Monitoring & Control Capabilities-

 MAK Water is continuously updating and improving its products and services, so please contact us for more detailed information or to confirm specifications. MAK Water takes no responsibility for any errors resulting from the use of information contained within this document.