GRAF

Carat Underground Rainwater Tank

Request rainwater system sizing / upload plans The new generation of Carat rainwater tanks has been specially developed for rainwater harvesting. Easy to transport due to stackable design and low weight.

Brand

GRAF

Range

Rainwater

Sizes

Lid types

Size

Lid / load class

Selected SKU

10.0005

Price on request

Talk to us

Upload plans on the quote form for civil sizing, pump station design, or treatment plant PE calculations.

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Certified qualityISO 9001 · AS/NZS standards

Australian madeRotomoulded in Western Australia

15-year warrantyOn selected tank ranges

Recycled plasticsSustainable manufacturing

Typical applications

ResidentialCommercialGarden irrigation

Key features

The patented quick connection (illustrated in green), allows the Carat tank to be assembled in only a few minutes. Disassembly is possible at any time.

The first-class EPDM material used in the profile sealings (illustrated in yellow), has been laboratory tested. It lasts more than 25 years.

The centering bolt (illustrated in orange) assures the accurate and easy assembly of the two half shells preventing any leaks.

Highest stability and unique fitting accuracy thanks to new production processes.

Consistent quality due to constant production monitoring.

Suitable for up to 12 tonne vehicle loading (when combined with the Telescopic cast iron cover).

Groundwater-stable up to the middle of the tank thanks to the extremely stable construction (more water stability options for higher water table on request).

Investment security thanks to 15-year warranty - compare it!

Technical sizing

Size matrix & SKUs

24 technical rows - select above or quote directly

Available loading / cover classes

Pedestrian coverClass B vehicle coverClass D truck lidGrated pedestrianGrated Class BGrated Class D

KeyPedestrianClass BClass DClass BGrated

Size	Length	Width	Height	Weight	Lid / variant	Load class	Order no.
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Pedestrian cover	Pedestrian	372024
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Class B vehicle cover	Class B	372024
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Class D truck lid	Class D	372024
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Grated pedestrian	PedestrianGrated	372024
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Grated Class B	Class BGrated	372024
2,700 L	2,080 mm	1,565 mm	2,010 mm	120 kg	Grated Class D	Class DGrated	372024
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Pedestrian cover	Pedestrian	372025
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Class B vehicle cover	Class B	372025
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Class D truck lid	Class D	372025
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Grated pedestrian	PedestrianGrated	372025
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Grated Class B	Class BGrated	372025
3,750 L	2,280 mm	1,755 mm	2,200 mm	150 kg	Grated Class D	Class DGrated	372025
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Pedestrian cover	Pedestrian	372026
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Class B vehicle cover	Class B	372026
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Class D truck lid	Class D	372026
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Grated pedestrian	PedestrianGrated	372026
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Grated Class B	Class BGrated	372026
4,800 L	2,280 mm	1,985 mm	2,430 mm	185 kg	Grated Class D	Class DGrated	372026
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Pedestrian cover	Pedestrian	372027
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Class B vehicle cover	Class B	372027
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Class D truck lid	Class D	372027
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Grated pedestrian	PedestrianGrated	372027
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Grated Class B	Class BGrated	372027
6,500 L	2,390 mm	2,190 mm	2,710 mm	220 kg	Grated Class D	Class DGrated	372027

Technical data source: GRAF Carat S manufacturer sizing table

Full specification

Product details

Key construction, installation and performance notes for Carat Underground Rainwater Tank.

Overview

The new generation of Carat rainwater tanks has been specially developed for rainwater harvesting. Easy to transport due to stackable design and low weight.

Specification focus

Logistical advantages of the Carat tank

Detailed guidance

Easy and safe assembly

3 verified points

More advantages

6 verified points

Detail 01

Logistical advantages of the Carat tank

The Carat tank consists of two half shells which can be stacked on top of each other, allowing multiple tanks to be stacked on a single pallet for shipping. For example, it is possible to stack five 6,500 ltr Carat tanks, or nine 2,700 ltr Carat tanks on a single pallet. This allows a standard 40 ft. Shipping container to house a total tank volume of up to 130,000 ltrs! The tanks unique stacking feature reduces transport costs and environmental impact from vehicle emissions, whilst allowing shipments to any destination in the world.

Detail 02

Easy and safe assembly

The patented quick connection (illustrated in green), allows the Carat tank to be assembled in only a few minutes. Disassembly is possible at any time.
The first-class EPDM material used in the profile sealings (illustrated in yellow), has been laboratory tested. It lasts more than 25 years.
The centering bolt (illustrated in orange) assures the accurate and easy assembly of the two half shells preventing any leaks.

Detail 03

More advantages

Highest stability and unique fitting accuracy thanks to new production processes.
Consistent quality due to constant production monitoring.
Suitable for up to 12 tonne vehicle loading (when combined with the Telescopic cast iron cover).
Groundwater-stable up to the middle of the tank thanks to the extremely stable construction (more water stability options for higher water table on request).
Investment security thanks to 15-year warranty - compare it!
Can be expanded as often as required.

Detail 04

Application

Global innovation - the new generation of the Carat rainwater underground tanks has been specially developed for rainwater harvesting.
The Carat tank can be individually tailored to your needs as a garden or house tank using the interconnection system.

Technical documents