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Basic CARAT tank kits from 2700 to 13000L - Universal 3 internal filtering basket - Pedestrian passage
- Duralen tanks, very high resistance and with excellent resistance over time. Tanks guaranteed for 25 years.
- Compatible with a telescopic extension which incorporates a cover for the passage of pedestrians or vehicles and which facilitates the installation of the tank.
- Available volumes ranging from 2700L to 10000L with the possibility of combining tanks to increase storage capacity.
- Pivoting dome with pre-drilled openings. Gaskets provided.
- Includes filter basket on support, anti-swirl pipe, rat stop grid, overflow siphon
CARAT underground tanks are specially designed for the recovery of rainwater. They cannot be installed above ground. The storage volumes are 2700L, 4800L, 6500L for CARAT tanks and 8500L and 10000L for CARAT XL tanks. It is possible to combine 2 or more CARAT tanks provided they are of the same volume.
the filtering basket kit, equipped with a Universal 3 filter. More economical, the Universal 3 filter can recover and filter 100% of the water arriving from the roof with a maximum surface area of 350m². It requires more regular maintenance (cleaning the basket).
Technical characteristics of CARAT tanks
CARAT tanks are manufactured, unlike traditional tanks, in injection moulds. This manufacturing process gives them exceptional stability, making it possible to reinforce the tank where there are the most constraints.
The thickness of the walls of the tanks is constant (tolerance +/- 0). To be able to manufacture the carat tank, it was necessary to design and manufacture an injection molding machine unique in terms of its size and technology.
Dimensions and technical data
Pivoting telescopic dome
The GRAF telescopic dome rotates 360° and facilitates connections to the tank. Its riser and its cover (pedestrian crossing) allow an adjustment to the millimeter with the surface of the ground. Thanks to this innovation, mowing your lawn will be easier.
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Installation of CARAT tanks
It is necessary to anticipate the installation of your CARAT kit by reading the installation instructions. The manuals are available for download on this site and will be provided with the equipment upon delivery. The various points described in this notice must be scrupulously respected. Any breach of the stated rules will systematically void the warranty.
The key points to observe are:
- Respect the minimum and maximum heights of soil on the tank,
- Use an 8/16 size round gravel backfill to promote load distribution.
- Anticipate the arrival of rainwater and the evacuation of the overflow.
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GRAF: a manufacturer specializing in rainwater harvesting
Graf is a family business which has been designing, manufacturing and marketing plastic items for over 50 years. It was in 1974 that Graf offered the first products for the recovery of rainwater, the company was then a pioneer in the field. Today Graf markets a complete range of solutions for the recovery, use, retention or infiltration of rainwater.
The manufacturing site in France is located in Dachstein in Alsace. A new factory has been operational on the Teningen site in Germany since 2008. With over 50 years of experience, GRAF designs and manufactures high quality tanks and vessels. GRAF is the European leader in the field and exports to more than 70 countries around the world.
The quality of GRAF products and solutions stems from regular investment in the latest generation manufacturing machines, the implementation of quality processes, the support of an internal design office for the sizing of installations and 'a permanent development of innovative solutions as evidenced by the numerous patents fileded by the company.
Recognized for the quality of its products and its concern to produce while respecting the environment, the GRAF company has obtained numerous awards.
- 10 000 L
- Filter basket in a separate manhole
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