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Double wall insert

adjustable length, for setting in concrete

HSI 150-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.
200 - 260 HSI 150- K2-Varia/200-260 2140307199
260 - 365 HSI 150- K2-Varia/260 - 365 2140307200
365 - 470 HSI 150- K2-Varia/365-470 2140307201
470 - 575 HSI 150- K2-Varia/470-575 2140307202