Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

Klaro L system for the Carat RS lorry-bearing

Large Biological Wastewater Treatment Plants up to 200 inhabitants for the Carat RS

Dimension drawing
Carat RS 6500L Mini
pdf 284 kb

There are a purification system available for converting large systems: Klaro L is available in sizes for up to 200 inhabitants. On request, for large systems you also have the choice of the proven options of the Klaro E Professional system, such as phosphate removal or additional disinfection of the cleaned wastewater with UV light.

Property consultation – Planning and sizing

Large systems must always be adapted to individual requirements, such as cleaning performance or official regulations.

When sizing a large system, you must take many basic factors into account. GRAF is happy to support you with the individual planning of this type of project and will gladly create an individual sizing for your property.

  • System conformity: ATV A-122
  • Purifying technology: fully biological SBR lifting technology
  • XXL systems available up to: 1000 inhabitants | 150,0000 l/d
  • Maintenance interval: 2 – 4 per year
  • Warranty for underground tank: 10 years
  • Warranty for purifying technology: 2 years

Standard equipment: Control power failure recognition, Temperature sensor to protect against overheating, Logbook function, Serial interface for software updates

Available as options: +R Remote transmission (GSM modem), +P Phosphate removal, +C Carbon infeed, +H Disinfection, +D Removal of nitrogen, Operation 14 keys, External control cabinet for installing control unit outdoors


60 Inh., 9,000 l/d

order no.Total volume (l)add to enquiry
on request4 x 6.500 l

90 Inh., 13,500 l/d

order no.Total volume (l)add to enquiry
on request5 x 6.500 l

120 Inh., 18,000 l/d

order no.Total volume (l)add to enquiry
on request7 x 6.500 l

150 Inh., 22,500 l/d

order no.Total volume (l)add to enquiry
on request9 x 6,500 l

180 Inh., 27,000 l/d

order no.Total volume (l)add to enquiry
on request10 x 6.500 l


SBR hose Ø 19 mm red


SBR hose Ø 19 mm blue


SBR hose Ø 19 mm black


SBR hose Ø 19 mm transparent


Compact dosing pump

0 - 37 ml/min


Sampling point, internal

For multitank systems


External steel cabinet XL

For 45 - 150 Inhabitants

[on request]

Outdoor concrete cabinet

For 180 - 200 inhabitants

[on request]

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