Graf Carat-XL 2650 Gallon Underground Water Storage Tank

Upgrade to a Complete System and SAVE! Includes: 1.25 HP Pump Automatic Controller Graf Optimax Filter Floating Extractor Overflow Siphon Calming Inlet 1.25" Bulkhead Fitting In-Ground First Flush Kit Miscellaneous Fittings

Product Description:

• Largest and strongest underground plastic water tank in the world!
• Supports up to 8 Tons of Axle Weight and 12 Tons Max Total Load
• Variable burial depth: 32" to 47" in standard configuration
• 78.7" maximum burial depth even in groundwater up to the middle of the tank using optional risers
• 70.8" maximum burial depth in 12-ton vehicle loading applications in groundwater up to the middle of the tank with a vehicle loading lid
• Unique in the world! – a global innovation: unique manufacturing process produces the highest stability using latest techniques
• Unique fit accuracy of the components thanks to new production process
• Consistent quality due to TÜV safety testing and production monitoring
• Vehicle-bearing (with telescopic cast iron manway kit)
• Groundwater stable up to the middle of the tank due to extremely rigid construction
• Secure investment with market leading 15-year warranty
• Made from high quality Duralene; easy to recycle
• Can be expanded as required
• 31.5" Manway opening

Application:

• The global innovation – the new tank generation of the Carat rainwater underground tanks have been specially developed for rainwater harvesting
• Frost-proof installation underground
• Groundwater stable up to the middle of the tank due to extremely rigid construction

The tank that turns its head for you The GRAF Carat S underground tank has a rotating tank dome. The tank dome can be aligned with the connections independently of the tank – this makes installation much easier! All installation pipes are connected using the five standard lip seals. The Carat S telescopic dome shaft connects the system to the ground surface. The height of the tank can be smoothly adjusted to suit the local conditions and it can be tilted by 5°. The whole system is flush with ground level.

Available Options:

Optional Optimax Pro® Internal Filter Package

Includes Optimax Pro Internal filter kit with calming inlet, overflow siphon, spannfix connection sleeve and downpipe.

Vehicle Loading Option

Includes heavy duty telescopic dome shaft and cast iron lid for vehicle loading up to a maximum axle loading of 8 tons and total vehicle loading of 12 tons.

Product Documents:

View Tank Drawing View Fire Protection Tank Drawing View Graf Catalog Page