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Flushing and inspection shaft with a base body inside diameter of greater than 500 mm and approx.  750 or 860 mm height depending on the type. Available nominal connection diameters of Strabusil and StormPipe pipes are DN 100 to DN 400 and Strasil DN 100 to DN 350. The extension pipe has a nominal diameter of DO 400.

2 connections DN 250                        
3 connections DN 250                        
4 connections DN 250
3 connections DN 350
4 connections DN 350
2 connections DN 400



  • The low height allows a soil depth of at least 1.0 m
  • Standard nominal diameters ranging from DN 100 to DN 300 can be connected
  • using reducers
  • monolithic product made of PE-HD
  • particularly easy to handle at construction sites thanks to the low weight
  • extremely durable, robust and hard-wearing
  • resistant against oils, acids, bases, greases, gasoline, diesel, fuel acc. to DIN 8075
  • high UV resistance
  • for maintenance and inspection of connected systems
  • edgeless design inside
  • compact design and shallow building depths
  • decoupling of forces from the extension pipe and the cover
  • integrated compensating area