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Double wall insert

adjustable length, for setting in concrete

HSI150 K2 Varia

  • Stepless adjustment to the required wall thickness on site
  • In total, three spray applications of 3-ribbed seal are applied to create a pressure-tight seal with the concrete
  • Quality mark on both sides: sealed ex works. Option to check for accidental or unauthorised opening of the closing cover
For the gastight and watertight connection on both sides of system seals for cables and cable ducts and maximum flexibility for subsequent use.


Application range:

  • Waterproof concrete stress class 1, Waterproof concrete stress class 2


  • System seal can be connected on both sides (e.g. cable duct connection and cable seal)
  • Packages can be created with frame connection system on site
  • Can be used in all types of wall including element constructions

Scope of delivery:

  • 2 pressure-tight closing covers
  • Hex key with integrated torque limitation


  • Frame dimensions: 220x 220 mm
  • Centre distance: 210 mm
  • Minimum wall thickness: 200 mm


  • Wall insert: ABS with TPE 3-ribbed seal
  • Adapter pipe: PVC
  • Clamping strap: W1
  • Closing cover: ABS with TPE seal


  • Gastight and watertight to 2.5 bar

Installation instructions

Test reports

Data sheet & tender specification

For download of data sheet and tender specification please configurate the product in the section below and download via the symbol


Wall thickness (mm)Order ref.Article no.GTIN
200 - 260HSI150 1x1 K2 Varia 200-26030303000844052487135009
260 - 365HSI150 1x1 K2 Varia 260-36530303000854052487134231
365 - 470HSI150 1x1 K2 Varia 365-47030303000864052487140430
470 - 575HSI150 1x1 K2 Varia 470-57530303000874052487140454