Water Tank Tech

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HDG + HDPE Lined

Galvanised steel tanks with a 2.0 mm HDPE liner welded inside, a tank within a tank for highly corrosive water or liquid containment.

Finish: 2.0 mm HDPE geomembrane
Best for: Highly corrosive water or liquids
Thickness: 5 mm steel + 2.0 mm liner

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Drawing: 4 × 3 panels, 3 tiers high

Specification

Specifications may change without notice and can be customised subject to manufacturer approval and safety standards.
Installation by approved installers only is recommended.
For other liquids, pH levels or higher temperatures, seek the manufacturer's advice.

Specification: HDG + HDPE Lined
Construction	Rectangular pressed steel sectional tank built from hydraulically pressed, flanged, bolted panels
Materials	Mild steel plates, stays, cleats and pads
Tank panels	4 ft × 4 ft or 1 m × 1 m, hot-dip galvanised
HDPE lining	2.0 mm HDPE geomembrane lined internally; all seams homogeneously hot-fusion welded
Bolts and nuts	Stainless steel 316 in contact with water; hot-dip galvanised elsewhere
Stays and cleats	Hot-dip galvanised or stainless steel
Tank covers	Hydraulically pressed, 1.5 mm, 1 m × 1 m
Ladders	Internal: stainless steel or aluminium. External: galvanised or aluminium
Service conditions	Cold liquid, density 1.0, temperature not exceeding 70 °C; water at ambient temperature

Panel thickness by tank height

Tank height	Thickness
4 ft (1220 mm)	5 mm bottom, sides and ends
8 ft (2440 mm)	5 mm bottom, sides and ends
12 ft (3660 mm)	5 mm bottom, sides and ends
16 ft (4880 mm)	6 mm bottom and first tier; 5 mm second, third and top tiers

Other ranges