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Envirotank - underground storage tanks
Flowtite glass reinforced polyester (GRP) pipes

Auckland WasteWater Treatment Plant

Water and Waste Water Treatment
The Auckland wastewater treatment plantFibreglass pipe is used extensively in water and wastewater treatment plants and reticulation systems for it’s corrosion resistance. Its high strength to weight, ease of fabrication and support, and excellent flow characteristics allow low cost upgrading of existing plants and maximum economy on new installations.

Pulp and Paper Industry
Pulp and Paper Mill, Kawerau, New Zealand.Fibreglass Reinforced Plastics play a major role in handling the highly corrosive materials used in the preparation and handling of bleaching materials and the bleaching of pulp.

Use in other services has expanded from this. FRP is widely used in air cleaning equipment in pulp processing. These systems offer lower first cost, improved corrosion resistance and ease of installation.

Primary Food Processing Industries
Anchor Products Lichfield, Putaruru. New Zealand.Factories are all extensive users of corrosion resistant equipment provided by Maskell. These include:

Flumes for flow measurement.
Wastewater piping systems.
Tanks for hot water storage.
Complete odour control systems for rendering plants small and large.
Effluent lines, clean in place chemical lines and other pipelines for corrosive fluids.

Fertiliser Industries
Anchor Products Lichfield, Putaruru. New Zealand.Acidulation of phosphate rock in the Fertiliser Industry produces an extremely corrosive gas stream. Fibreglass piping, ducting, fans and stacks provide the ideal solution in these extreme circumstances.

In this industry, as in many others, the Government’s air emission policies come into sharp focus. Maskell Fume Scrubbers solve the problems - often exceeding the legislative requirements.

Metallurgical Industries
Maskell has played a major role in supplying equipment for a spectrum of applications within New Zealand’s steel and metallurgical industries. These include pickling, tank sand ventilation systems for paint pre-treatment and plating operations, chemical storage tanks and lining of dipping tanks.

Power Generation Industry
Anchor Products Lichfield, Putaruru. New Zealand.The corrosion resistance of fibreglass has resulted in extensive use in geothermal, hydro-electric and gas power stations. Saline cooling water and wet gas streams containing hydrogen sulphide at temperatures up to 130°C are corrosive to many materials but GRP offers longevity and strength in these applications.

Subsea cooling water intakes and outfall pipelines and diffusers are also manufactured from GRP which offers longevity in the salt water environment. “Maskell have completed circulating and cooling water pipe projects as far a field as Kenya and in diameters ranging from DN100-DN2800.”

Petro-Chemical/Petroleum Industry
Fibreglass products are used in the petro-chemical industry from the refining process through to the retail fuel sector. In refineries GRP find uses for fire water mains, process and cooling water piping and odour control equipment.

Subsea crude oil pipelines use GRP in providing insulation jackets to protect pipeline anodes. In the retail fuel industry Maskell manufacture fibreglass underground fuel storage tanks for the containment of automotive and aviation fuels, diesel and oil.

These tanks have been proven through continuous service for over 30 years in the United States, preventing the environmental problems associated with leakages of fuel from corroded steel tanks.
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