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Single wall insert with plug-in socket

adjustable length, for setting in concrete and connecting smooth cable ducts

HSI150 GSM Varia

  • Stepless adjustment to the required wall thickness on site
  • Quality mark: sealed ex works. Option to check for accidental or unauthorised opening of the closing cover
  • Three 3-ribbed seals are sprayed on to create pressure-tight seal with concrete
For the connection on one side of system seals for cables (inside) and the connection of cable ducts (outside).


Application range:

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


  • System seal can be connected on one side; there is also an integrated plug-in socket for the connection of smooth cable ducts
  • Additional pipe connectors are not necessary
  • Pressure-tight closing cover ensures absolute gastightness and watertightness even after the empty conduit has been connected
  • Can be used in all types of wall including element constructions

Scope of delivery:

  • Pressure-tight closing cover
  • Hex key with integrated torque limitation


  • Minimum wall thickness OD 110, 125mm: 200 mm
  • Minimum wall thickness OD 160mm: 260 mm
  • Frame dimensions: 220x 220 mm
  • Centre distance: 210 mm, spacer increases centre distance to 250 mm


  • The use of the HSI-AH 40 spacer is recommended; it must be used with the HSI 150-GSM 160


  • Wall insert: ABS with TPE 3-ribbed seal
  • Adapter pipe: PVC
  • Clamping strap: W1
  • Closing cover: ABS with TPE seal
  • Plug-in socket: EPDM
  • Clamping strap for HSI 150-GSM 160/X: W4
  • Pipe cover: PE or sleeve cap: PVC


  • Gastight and watertight to 0.5 bar

Installation instructions

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)Pipe ODOrder ref.Article no.GTIN
200 - 260110HSI150 1x1 GSM110 Varia/200-26021202061204052487153577
260 - 365110HSI150 1x1 GSM110 Varia/260-36521202061264052487153584
365 - 470110HSI150 1x1 GSM110 Varia/365-47021202061364052487153591
470 - 575110HSI150 1x1 GSM110 Varia/470-57521202061474052487153607
200 - 260125HSI150 1x1 GSM125-Varia/200-26021202062204052487153614
260 - 365125HSI150 1x1 GSM125-Varia 260-36521202062264052487153621
365 - 470125HSI150 1x1 GSM125-Varia 365-47021202062364052487153638
470 - 575125HSI150 1x1 GSM125-Varia 470-57521202062474052487153645
260 - 320160HSI150 1x1 GSM160 Varia 260-32021202063264052487153652