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Fixed/loose flange wall sleeve made from stainless steel

for setting in concrete for black tank according to DIN 18533

FLFE DIN18533 A2

For setting in concrete or mortar in walls, ceilings or floors.


Application range:

  • DIN 18533 W2.1-E, DIN 18533 W2.2-E


  • Tailor-made designs can also be produced
  • Also available with multiple entries and in a variety of diameters
  • Installation flush with formwork

Scope of delivery:

  • Fixed/loose flange wall sleeve
  • Bolts and nuts M20 (DIN 18533)
  • With closing covers on both sides


  • Design according to DIN 18533 includes: underground structural components. Standard fixed flange Øa equal to the relevant wall sleeve Øi + approx. 330 mm (for one passage; see brochure for details)


  • Fixed/loose flange wall sleeve: stainless steel V2A (AISI 304L) or V4A (AISI 316L)
  • Closing cover: PE


  • Gastight and watertight

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


* the loose flange is supplied in a split version

Wall sleeve ID (mm) D1Fixed flange OD (mm) D2Loose flange OD (mm) D3Wall thickness (mm)Optimal application range OD (mm)Max. possible application range ∅ (mm)Order ref.Article no.
80405395800 – 500 – 56FLFE1x80/0/80 DIN18533 A22500400023
804053952000 – 500 – 56FLFE1x80/0/200 DIN18533 A22500080200
804053952400 – 500 – 56FLFE1x80/0/240 DIN18533 A22500080240
804053952500 – 500 – 56FLFE1x80/0/250 DIN18533 A22500080250
804053953000 – 500 – 56FLFE1x80/0/300 DIN18533 A22500080300
804053953650 – 500 – 56FLFE1x80/0/365 DIN18533 A22500080365
804053954000 – 500 – 56FLFE1x80/0/400 DIN18533 A22500080400
804053955000 – 500 – 56FLFE1x80/0/500 DIN18533 A2250080500
100425415800 – 630 – 76FLFE1x100/0/80 DIN18533 A22500400024


Number of pipes:1-5
Inner diameter of pipe sockets:mm

Upper length:mm0-1000
Lower length:mm80-1000
Stainless steel quality:
Application range: Design according to DIN 18533 includes:
Underground structural components

Your individual article designation:

Your individual article number:

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Download of data sheet
Tender specifications: TextWord

We cannot guarantee the feasibility of the configuration you have entered. If you have sent an enquiry, we will then check the configuration you have chosen again.