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Radiant self-supporting grate channel Prefaest HRI

The self-supporting HRI grate gutters from Stradal are marketed in the Netherlands by Diederen Afwateringstechniek. A self-supporting grid gutter.

HRI® line drainage gutters have been the most sustainable solution for drainage projects for years.

 

The self-supporting HRI grate gutters from Stradal are marketed in the Netherlands by Diederen Afwateringstechniek. A self-supporting line drainage, equipped with a cast iron "Banana" or "Saone" profile grille class D, 400KN or F, 900KN.

Stradal HRI® line drainage gutters are the most sustainable solution for drainage projects. The patented production method, in which use is made of a very high (self-compacting) concrete quality and in which the gutters are provided with a steel longitudinal and transverse reinforcement, to which also the galvanized corner profiles and screw sleeves are coupled, give the possibility that HRI® gutters are installed without a supporting back could be. Even with traffic class F, 900KN. In accordance with NEN-EN 1433, drainage gutters for traffic areas, the HRI® gutters fall under the so-called I-type.

In addition, HRI® gutters are fitted with pre-assembled, specially developed, nodular cast-iron gratings. The profile ensures optimum and rapid absorption of water. The HRI® gutters are also equipped with a barge / nut end. In combination with the pin / hole connection, this ensures optimum support between the channel elements. Thanks to the prepared sealant joint, it is possible to finish the elements in a liquid-tight manner. Sand trap elements and end plates can be supplied with a PVC or HDPE connection.

Benefits of HRI® line drainage:

  • patented production technology
  • high concrete strength
  • steel longitudinal and transverse reinforcement
  • no back support needed
  • kitroom for liquid-tight seal
  • great diversity in dimensions
  • high inflow and discharge capacity
  • manning trickler 95

Application areas:

  • platforms and aircraft stands
  • port areas
  • industry
  • environmental stations
  • fire training places
  • visibly dispose of HWA
  • bus stations
  • center renewal
  • piercing wadi and bottom passages
  • fauna solutions

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