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FILTEC HFA Fluoride Dosing System

FILTEC HFA Fluoride Dosing

The FILTEC HFA Fluoride Dosing System is a safe and cost-effective method of adding fluoride into drinking water, using Fluorosilicic Acid.

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The FILTEC HFA Fluoride Dosing (Fluorosilicic Acid) System is a safe and cost-effective method of dosing fluoride into drinking water. Our Fluoride Dosing System meets New Zealand drinking water and chemical safety standards.

Using Fluorosilicic acid (HFA) the FILTEC Fluoride dosing system has four size options to meet the requirements of a population of up to 150,000 people (45MLD).

All components of the FILTEC Fluoride Dosing System are supplied with safety in mind and are all HFA compatible. The systems instrumentation provides continuous monitoring of the fluoride levels and is linked to a control system that accurately maintains the fluoride in the drinking water.

New Zealand water sources often have relatively low concentrations of natural fluoride. Fluoridation is the process of adding the micronutrient fluorine to drinking water to achieve a safe and targeted concentration level in treated water. Fluoride dosing is the most effective and efficient way to help prevent dental caries, such as tooth decay, in communities receiving a reticulated water supply.

Instrumentation & Control

The HFA Dosing Pump delivers a flow that is paced to the water flow. The HFA flow is then trimmed up or down by a PI loop based on feedback from the Fluoride Analyser.

The HFA Dosing Pump is calibrated using a closed loop calibration cylinder. This 500mL calibration volume will need to be at normal dose rate.

  • Includes a fluoride analyser and pump with the capability of combining water flow and fluoride concentration in the water
  • For precise dosing of HFA into the drinking water

Chemical Storage

Includes a camlock fitting and manual isolation valve for loadout. A manual drain back into the bund allows safe disconnect. The level is monitored by radar transmitter for re-ordering and fill alarm settings, with back-up level switch for safe fill level and minimum pump level. Once per day, the HFA Day Tank is filled to its level setpoint by the HFA Transfer Pump to provide no more fluoride than is safe.

  • The bulk tank fully HSNO compliant and is fitted with continuous level monitoring, back up level switch and high low alarms. With reordering and alarm fill settings
  • System automatically fills the day tank once per day
  • This enables the customer to know daily usage and ensures personnel don’t have to handle HFA

Safety Features

The concrete bund (by Others) contains all storage tanks and pipework and drains to a sump for suction truck Chemwaste disposal.

  • Safety shower with thermal bleed
  • Wall mounted hose reel
  • Chemical unloading cabinet with alarm beacon and siren
  • Ensuring safe handling, loading, and unloading of HFA as well as compliance with HSNO

FILTEC has 30+ years experience delivering fluoridation systems throughout New Zealand.

Available in four sizes based on population.

Water Treatment Plant Flows (m3/day)
  • 6,000
  • 15,000
  • 30,000
  • 45,000
Population Served based on 300L/d/p
  • 20,000
  • 50,000
  • 100,000
  • 150,000
Day Tank Volume (L)
  • 20
  • 50
  • 100
  • 150
Storage Tank Volume (L) suggested for 3 months
  • 2,000
  • 5,000
  • 10,000
  • 15,000

Materials of Construction

  • Bulk tank: HDPE
  • Day tank: HDPE
  • Pumps: PVDF or other HFA resistant material
  • All Piping: Sch. 80 PVC

FILTEC HFA Fluoride Dosing System Brochure

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Payment

Payments can be made on by debit or credit card via our secure payment processor (Windcave)

Prices include GST.

We accept Visa and Mastercard

Delivery

Freight Charges are determined by the size and weight of the items purchased.

Method
Cost
Example
Click and collect
Free
All items
Small / light items
$20.00
Lamps and consumables
Large / heavy items
$50.00
UV system
Extra Large / Very Heavy / Pallet items
$100.00
Domestic softener or pH neutraliser

Estimated Delivery Time

Nationwide up to 5 business days but can varying depending on weather events and courier capacity.

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