RAINBOW RESERVOIRS

RAINBOW RESERVOIRS

Rainbow Reservoirs is of premium water storage tanks of bolted-steel / inner-liner design, pre-fabricated using the finest materials and assembled on site.

 

 

FEATURES

  • Over 200 tank models in various height/diameter configurations

  • 5000 litre to over 4 million litre capacities

  • Engineer-designed, approved and structurally certified

  • Corrosion resistant

  • Food grade, potability certified liners

  • Rapid installation

  • 12-year warranty

  • Estimated 40-year+ lifespan

  • Low to no maintenance

  • Flat-packed for easy shipping/transportation

  • Capacity can be increased if required

  • Easy to dismantle and relocate if required

 

​WATER TANK CONSTRUCTION

OUTER STEEL WALLS
Aluzinc structural steel plate sheet, rolled to our unique strengthening profile.

STEEL ROOF
Free-standing, low-dome profile, corrugated Aluzinc steel on Hot Dipped Galvanised (HDC) welded-steel support trusses.

NUTS AND BOLTS
Hot Dipped Galvanised

TANK INNER LINER
International food-grade/potablilty certified, reinforced, UV stabilized, inert, algae resistant (from 700gsm).

LINER SUBSTRATE PROTECTION
Bidim continuous filament geo-textile (as required).

STANDARD COLOR
Aluzinc matt metallic silver. See colour chart below for powder-coated colour options.

LEVEL INDICATOR
Levitel 3. Direct-reading ‘pully/float’ system,stainless steel housing and guide-bar.

ACCESSORIES
Scour drains, valves, air-vent turbines, vortex inhibitors, etc. are available as per requirement.

 

INCLUDED IN OVERALL UNIT PRICE

  • Externally fitted, galvanized steel inspection ladder.
  • Lockable manhole / inspection hatch.
  • (Request) outlet complete with ball valve.
  • (Request) PVC overflow flange and down-pipe.
  • (Request) Inlet flange
  • Dust & vermin proofing

 

COLOUR RANGE

 

RAINBOW TANKS RANGE OF MODEL

 

 

GALLERY

 

BUWATEC

 

Segments

BUWATEC is the specialist for water storage systems based on corrugated steel tanks. The BUWAtank is designed for storage of various liquids and applications. The core activity is development, production, sales and distribution of complete systems for irrigation, drainage and recirculation tanks. BUWATEC supplies water tanks in the various segments:


Horticulture

Water tanks for the horticulture segment are used by clients in water technics, irrigation and for storage of drain water as well as purification purposes. Essential for professional greenhouses are the systems with drip irrigation, aquaponics-technics or sprinkling systems. The BUWAtank is used for storage of various water qualities.

 

Aquaculture

Fish farms use tanks for breeding fish in different stadia. Tilapia, trout, eel, salmon and carps are the most popular for fish production. Installation of fish tanks demands local limited installation knowledge, material and equipment. Steel tanks for fish production are in general supplied in height 1,59 meter. Specific solutions for cleaning and emptying these tanks is a part of our concept.

 

Industry

For industrial companies BUWATEC supplies water tanks for treatment of wastewater. The tanks are a significant part of the process of collecting contaminated water as well as storage of treated water for reuse in the production process. The largest users of water treatment applications are refineries, companies in the chemical sector, metal industry, paper-and graphic industry and the food industry. 

 

Drink wate

BUWATEC is involved in the worldwide challenges to offer clean drink water, sanitation services and hygiene. In cooperation with specialists in water purification, national governments and non-governmental organisations. BUWATEC develops solutions for potable and clean drink water. The BUWAtank is an important part of water storage and water treatment installations.

 

Agriculture

BUWATEC water tanks are mainly used in the agriculture segment for irrigation. Because of the climate change worldwide, it’s getting more important to store rainwater. Growers will use the stored water in summer and dry growing seasons to protect their crops. Water tanks for agriculture are mainly used in combination with good cover solutions for having the best quality water for the irrigation systems.

 

 

BUWAtank Water tanks

BUWAtank is the brand name for steel tanks suitable for storage of water and similar liquids. BUWAtank are produced from steel quality strength S280 and S350, depends on diameter and height of the tanks. All dimensions are produced in three different steel qualities WSW, WSWA and WSWB.

  

The water tanks are provided with a zinc layer ZM200 and are available with optional prefabricated Plastisol coating, thickness 200 μm both inside and outside. This combination gives the tank a maximal protection against corrosion. 

 

All tanks have CE-certification, registered by the Declaration of Performance number DOP14BCTWS03 and are in line with the guidelines for EN 1090-1:2009+A1:2011. Water tanks are transported as a compact installation package and can be installed with man power only. 

 

WSW

This tank is constructed with a minimum panel thickness of 0,8 mm and is designed for inside storage applications whereas special heights and wind load has no influence. 

 

WSWA

This tank is fabricated with a minimum panel thickness of 1,0 mm and is especially developed for outside usage and storage of a diversity of liquids. The 1,0 mm panel thickness tank can handle outside climate conditions. This application can also be supplied, complete or partly, with an additional Plastisol protection layer. WSWA tank is needed for
additional roof constructions.


WSWB

WSWB tanks are especially designed for industrial and heavy duty applications. Activities as fire protection pumping and aeration inside the tank demand a highest quality material specifications. This tank has a minimum panel thickness of 1,2 mm. Most usual version is the fully Plastisol coated WSWBVC tank for maximal security and longest life time. This tank can be partly installed under ground level.

 

Plastisol coating

Plastisol coated panels are standard supplied with inside and outside unique ‘Super Vinyl Thermoplast’ coating. This coating contains environment friendly elements. The layer thickness of 200 μm per side guarantees a high protection against corrosion and UV radiation. Plastisol coating is resistant against acids, alcohol and mineral oils. The normal life
time expectation of Plastisol coating is 25 years. 

 

BUWAtank: special characteristics 

Long lifetime
Using the latest technics guarantees a durable and long
lifetime of the product.

Quick delivery
Galvanised as well as Plastisol coated water tanks are
delivered in 1-2 weeks.

High tensile strength
Use of high quality steels S280, S320 and S350
according ENV-norms.

Wide capacity range
Available in many diameters, heights and panel
thicknesses. See page 8 (back site).

Fast installation
Large bolt dimensions M12, less bolts per panel, bolt
sets galvanised, tuned for fast and easy installation. All
bolts, nuts and washers are treated with a special high
quality zinc nickel for better fitting

      

Packaging

Panels are sealed to prevent water getting between the
panels during long distance transport.

Technical information
All instructions are available in pictorials.

Strength calculation program
Program is based on European Norm described in NVNENV 1993-4-1- Eurocode 3.

CE certificate
All tanks are CE-approved since 2015.


Plastisol: special characteristics
• Good UV resistance.
• High corrosion resistance.
• High scratch resistance.
• Resistant against acids,
alcohol and mineral oils.

 

 

 

 




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