4rain rainwater tanks

Rainwater tanks underground


FLAT S Flat tank

The perfect do-it-yourself tank

  • Flat design for little excavation an inexpenisve installation
  • Easy handling right into the construction pit due to the low weight of only 80 kg (1.500 l)
  • Including tank dome system for frost-proof installation
  • Ready for connection through pre-assembled  lip seals
  • Doem shaft can be rotated 360 degrees for variable, easy installation
  • Manhole extension can be shortened for easy adaption to the top of the terrain
  • Tank system protected against seepage water
  • Tank cover childproof and accessible
  • Can be expanded as required using a plug-in connection system
  • 100 % recyclable material

Scope of supply:

 

  • Flat tank system with one connecting hole and integrated DN 100 (4") sealing
  • Shaft extension with two connecting holes and integrated sealings
  • Childproof tank cover
  • Connecting set incl. drill (from 3,000 l (793 US gal.))

 

1.500 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295120 1500 2100 1320 750 80

3.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295121 3000 2100 2640 750 160

Set consists of 2 tanks 1,500 l

4.500 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295122 4500 2100 3960 750 240

Set consists of 3 tanks 1,500 l

6.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295123 6000 2100 5280 750 320

Set consists of 4 tanks 1,500 l

FLAT M Flat tank

The perfect do-it-yourself tank

  • Flat design for little excavation an inexpenisve installation
  • Easy handling right into the construction pit due to the low weight of only 80 kg (1.500 l)
  • Including tank dome system for frost-proof installation
  • Ready for connection through pre-assembled  lip seals
  • Doem shaft can be rotated 360 degrees for variable, easy installation
  • Manhole extension can be shortened for easy adaption to the top of the terrain
  • Tank system protected against seepage water
  • Tank cover childproof and accessible
  • Can be expanded as required using a plug-in connection system
  • 100 % recyclable material

Scope of supply:

  • Flat tank system with one connecting hole and integrated DN 100 (4") sealing
  • Shaft extension with two connecting holes and integrated sealings
  • Childproof tank cover
  • Connecting set incl. drill (from 3,000 l (793 US gal.))

3.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295115 3000 2450 1600 1070 115

6.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295116 6000 2450 3200 1070 230

Set consists of 2 x 3,000 l

9.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295117 9000 2450 4800 1070 345

Set consists of 3 x 3,000 l

12.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295118 12000 2450 6400 1070 460

Set consists of 4 x 3,000 l

FLAT L Flat tank

The perfect do-it-yourself tank

  • Flat design for little excavation an inexpenisve installation
  • Easy handling right into the construction pit due to the low weight of only 80 kg (1.500 l)
  • Including tank dome system for frost-proof installation
  • Ready for connection through pre-assembled  lip seals
  • Doem shaft can be rotated 360 degrees for variable, easy installation
  • Manhole extension can be shortened for easy adaption to the top of the terrain
  • Tank system protected against seepage water
  • Tank cover childproof and accessible
  • Can be expanded as required using a plug-in connection system
  • 100 % recyclable material

Scope of supply:

  • Flat tank system with one connecting hole and integrated DN 100 (4") sealing
  • Shaft extension with two connecting holes and integrated sealings
  • Childproof tank cover
  • Connecting set incl. drill (from 3,000 l (793 US gal.))
  • Including 2 lifting eyes per tank

5.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295126 5000 2450 2100 1340 240

10.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295127 10000 2450 4200 1340 480

Set consists of 2 x 5,000 l

15.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295128 15000 2450 6300 1340 720

Set consists of 3 x 5,000 l

Modularis tank system

Lots of litres for little money

  • Extremely space saving – only 1.8 m2 (19.3 ft²) of base area for 2,500 l (660 US gal.)
  • Low weight of only 87 kg (191.8 lbs) for ease of handling into the pit
  • Incl. tank dome system for frostproof installations
  • Prefitted sealings ready for connection
  • Dome shaft can be turned through 360° for variable, simple installation
  • Dome shaft can get shortened for easy adaptations to the top edge of the ground
  • Tank system sealed against soakage
  • Tank cover childproof and suitable for pedestrian loading
  • Plug-in system for any number of extensions
  • 100% recyclable material
  • Multiple layers of material applied with COEX 3 technology for maximum stability, including hygiene layer for optimal water quality

Scope of supply:

  • Modularis tank system with a connection hole and integrated lip seal DN 110
  • A shaft extension with two connection holes and integrated lip seals for each tank
  • One tank cover including child safety device for each tank
  • Sets consisting of several tanks incl. Connection set an drill

2.500 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295022 2500 1190 1470 2010 87

5.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295023 5000 2300 1470 2010 174

Set consists of 2 x 2,500 l

7.500 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295024 7500 3460 1470 2010 261

Set consists of 3 x 2,500 l

10.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295025 10000 4610 1470 2010 348

Set consists of 4 x 2,500 l

12.500 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295026 12500 5760 1470 2010 435

Set consists of 5 x 2,500 l

15.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295027 15000 6910 1470 2010 522

Set consists of 6 x 2,500 l

Compact tank system

The low-cost garden solution

  • Low weight of only 65 kg for ease of handling into the pit (1,600 l)
  • Compact tank design, simple and low cost installation
  • Incl tank dome system for frostproof installations
  • Prefitted sealings ready for connection
  • Dome shaft can be turned through 360° for variable, simple installation
  • Dome shaft can get shortened for easy adaptations to the top edge of the ground
  • Tank system sealed against soakage
  • Tank cover childproof and suitable for pedestrian loading
  • Plug-in system for any number of extensions
  • 100% recyclable material

Scope of supply:

  • Compact tank system with one connecting hole and integrated DN 100 (4") sealing
  • Shaft extension with two connecting holes and integrated sealings
  • Childproof tank cover

1.600 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295300 1600 2100 1050 1180 65

2.650 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295301 2650 2100 1300 1460 100

Mono tank system

The tank for special needs

  • Monolithic design of 3,000 l (793 US gal.) – 6,800 l (1,796 US gal.) tank
  • Moulded tank dome with prefitted sealings ready for connection
  • Prepared for installation of self cleaning Supra filter technology
  • Tank system sealed against soakage

Scope of supply:

  • Mono tank system incl. moulded tank dome
  • Four connecting holes incl. prefitted DN 100 (4") sealings
  • Childproof tank cover

3.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295005 3000 2350 1400 1900 150

4.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295003 4000 2420 1500 2050 175

5.000 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295004 5000 2450 1830 2170 230

6.800 l

Order.-Nr. Volume [l] Length [mm] Width [mm] Height [mm] Weight [kg]
295020 6800 2450 2000 2400 290

Herkules-Tank

  • Multi-purpose – aboveground belowground and basements
  • Aboveground: The Herkules Tank is easy to install in your garden. Combined with the established GRAF downpipe filters it’s a perfect way to harvest rainwater.
  • Underground: Combined with the applicable accessories the Herkules Tank can also be installed underground. The tank is groundwater stable up to the top edge of the tank.
  • Basement tank: Due to its size the Herkules Tank fits through a standard doorway (≥ 80 cm). Therefore it’s ideal for basement installation.
  • Awarded product of the year by the German Trade Association for Plastics Processing (FKVV)
  • Fast connection (assembly is effected without screws)
  • Long life due to solid profile packing (lifetime proven over 25 years in laboratory tests)
  • Can be extended as required. Volumes of several 1,000 l are possible using preformed connections and connection points
  • Easy to transport due to low weight and practical size

 

Application:

  • For rainwater harvesting in house and garden
  • For frost-proof installation in the ground (not suitable for vehicle loading) or overground installation in the garden or cellar (fits through every standard door ≥ 80 cm)
  • Can be installed in groundwater and stratum water up to the top edge of the tank with an earth covering of at least 80 cm

1.600 l

Order.-Nr. Volume [l] Height [mm] Ø max. [mm] Weight [kg] Ø [mm]
320001 1600 1600 1350 60 1350
Ø [mm]
1350

Herkules tank set

  • Multi-purpose – aboveground belowground and basements
  • Aboveground: The Herkules Tank is easy to install in your garden. Combined with the established GRAF downpipe filters it’s a perfect way to harvest rainwater.
  • Underground: Combined with the applicable accessories the Herkules Tank can also be installed underground. The tank is groundwater stable up to the top edge of the tank.
  • Basement tank: Due to its size the Herkules Tank fits through a standard doorway (≥ 80 cm). Therefore it’s ideal for basement installation.
  • Awarded product of the year by the German Trade Association for Plastics Processing (FKVV)
  • Fast connection (assembly is effected without screws)
  • Long life due to solid profile packing (lifetime proven over 25 years in laboratory tests)
  • Can be extended as required. Volumes of several 1,000 l are possible using preformed connections and connection points
  • Easy to transport due to low weight and practical size

 

Application:

  • For rainwater harvesting in house and garden
  • For frost-proof installation in the ground (not suitable for vehicle loading) or overground installation in the garden or cellar (fits through every standard door ≥ 80 cm)
  • Can be installed in groundwater and stratum water up to the top edge of the tank with an earth covering of at least 80 cm

3.200 l

Order.-Nr. Volume [l] Height [mm] Ø max. [mm] Length [mm] Width [mm]
211001 3200 1600 1350 2730 1350
Weight [kg]
60
Dimensiones Herkules tank 1,600 l, Set consits of 2 tanks

4.800 l

Order.-Nr. Volume [l] Height [mm] Ø max. [mm] Length [mm] Width [mm]
211002 4800 1600 1350 4135 1350
Weight [kg]
60
Dimensiones Herkules tank 1,600 l, Set consits of 3 tanks