Double foot system DFS

The hdg solution for free-fields system with 2 modules in portrait disposition on concrete bases


Suitable for:
Solar-Field double foot system with:

  • SPS-HP profile
  • SPS-PM clamps

Allowable configurations:

  • 2 modules – portrait disposition


  • S235JR steel according to EN 10025-2:2004, hdg (≥ 80 µm) according to EN ISO 1461:2009
  • bolts and nuts in stainless steel  A2-70 according to EN ISO 3506-1/2:2009


  • Universal: the double foot system allows to realize photovoltaic installation on concrete bases with 2 x 10 panels with portrait disposition and 3 defined slope (20°, 25° and 30°).
  • Easy and fast: pre-drilled piles, profiles and brackets to make easier and faster all the installation steps.
  • Maximum allowable spacing 2800 mm, depending on snow and wind loads calculated according current National Regulations.
  • Define DFS structure spacing depending on snow and wind load for the effective installation area, according National Regulations.
  • Fix two base plates DFS-CONN on concrete. The correct position should be checked according to  the panel inclination.
  • Fasten the frontal base plate DFS-CONN to the inclined profile DFS-IB with one M 16 bolt.
  • Fasten the rear bottom base plate DFS-CONN to the back pole DF-BP with one M 16 bolt.
  • Fasten the third DFS-CONN to the inclined DF-BP with 2 M 12 bolts and to the back pole DF-BP with one M 16 bolt.
  • Brace the main structures with the side bracing DFS-BB with 1 + 1 M 12 bolts.
  • attention Minimum thread length of M 12 and M 16 screw is 35 mm, M 10 bolt is 30.