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Braithwaite Pressed Steel Sectional Water Tanks: BS 1564: 1975 Type One

The Design - What is Sectional?
Sectional tanks are a series of modular panels bolted together on site to give an infinite range of sizes and capacities. They are particularly functional in confined spaces, and can be easily transported to remote areas conveniently packed and erected simply under skilled supervision. They play a vital role in combating drought conditions in the developing countries and rural areas.

Braithwaite pressed steel sectional tank panels, originally patented in 1901 are manufactured from mild steel using the hot press process at our factory in South Wales to BS 1564: 1975 Type One and embossed with a distinctive star pressing. The panels are manufactured in 1m² and 1.22m² (4ft²) modules and bolted together on site using a WRAS approved sealant. The tanks can be insulated using the unique BELTHERM 70 system. The modular concept and bolted construction allows for high speed assembly utilising semi skilled labour. This provides cost benefits when considered against traditional concrete tanks. Nominal capacities can be supplied in the range of 1m³- 15000m³, a notable advantage of modular construction.

Through a variety of flanging arrangements Braithwaite tanks can be designed to be supported on Structural steel towers or at ground level on dwarf walls or piers.

Additionally, design factors such as hydrostatic pressure, wind load, snow load, seismic load, etc., of the area where the tank will be erected are all taken into consideration during preliminary tank design. The tank panels can be used to construct divisions, baffles and weirs.

Braithwaite steel tanks are normally supplied in a hot dip galvanised finish to BS EN ISO 1461: 1999 Supplies of other surface coatings are available on receipt of specific requirements and applications such as epoxy systems.

Braithwaite implement and maintain an effective quality system which complies with the requirements of EN ISO 9001:2000.

Braithwaite steel tanks have WRAS approval for potable water storage and LPCB approval for pump suction tanks for sprinkler systems. Maximum capacity 1300m³.

Features of Braithwaite Steel Sectional Tanks:

  • Infinite range of sizes and configurations
  • Excellent flexibility to adapt as storage requirements change
  • Ability to be installed in areas with restricted access
  • Quick and easy assembly using hand tools
  • Highly economical transportation
  • Inherent strength and durability of the raw material
  • Excellent substrate for a wide range of finishes
  • Long term life expectancy

Unlimited sizes and configuration
With the appropriate combination from different panel designs, units of any capacity from 1 to 15,000m³ or over may be constructed, in a configuration to respect any existing site restrictions (maximum height not exceeding 6.10m).

Brochure available from the Download page

Tank Capacity Chart PDF

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steel sectional tank



steel sectional tank


steel sectional tank


steel sectional tank