Interne Mitteilung

Otto Graf GmbH

tender file

Herkules underground package house

Package for use in the home and garden with domestic waterworks incl. automatic drinking water intake as needed and all other required system components.

Package consists of:

• 
  Herkules tank underground, made of fibre-glass reinforced PP (UV stable and 100% recyclable), patented in Europe and USA
  
• 
  Universal-Filter 3 external for pedestrian loading
  

100% water yield, filter insert mesh width 0.35 mm (0.01”), continuously variable installation depth of 600-1,050 mm (23.6”-41.3”)

• 
  Extension set(s) Incl. special seal DN 100 (4” pipe)
  
• 
  Drinking water intake with integrated fill level display (in %) Regulates intake in case of an empty underground tank (according to DIN 1988)
  
• 
  Domestic waterworks Kreisel 4/1000 incl. pump wall console
  

Multi-stage, self-priming centrifugal pump with energy-efficient motor, pump is automatically switched on and off via pressure and flow monitor, integrated dry running protection and backflow prevention

• 
  Floating water extraction unit
  
• 
  Tank dome DN 200 (8” pipe) with telescopic end 1 metre (39.4”) to be cut on demand
  
• 
  Labelling set for rainwater harvesting systems
  
• 
  Support pipe DN 100 (4” pipe) for underground installation
  
• 
  Tank volume : ........ liter (US gal.)
  

Product: GRAF Herkules underground package house, suitable for pedestrian loading

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