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Fixed/loose flange wall sleeve made from stainless steel

for retrofit dowelling, according to DIN 18531*

FLFA DIN18531 A2

For dowelling with wall sleeves, core drills or breakthroughs.


Application range:

  • DIN 18533 W1.1-E, DIN 18533 W1.2-E


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

Scope of delivery:

  • Fixed/loose flange wall sleeve
  • Bolts and nuts M12 (DIN 18531)
  • Fastenings for concrete


  • Design according to DIN 18531 includes: DIN 18531 (roofs), DIN 18532 (areas for vehicles), DIN 18534 (interiors), DIN 18535 (containers). Standard fixed flange OD equivalent to the corresponding wall sleeve ID + approx. 150 mm (for one entry; see the brochure for detailed information)
  • Standard upper length: 80 mm


  • Fixed/loose flange wall sleeve: stainless steel V2A (AISI 304L) or V4A (AISI 316L)
  • Fastenings: 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) D3Optimal application range OD (mm)Max. possible application range ∅ (mm)Wall sleeve wall thickness (mm) SArticle code inlaysOrder ref.Article no.
802242140 – 500 – 562Z80 FLF(E/A)FLFA80/80/0 DIN18531 A22500400012
1002442340 – 630 – 762Z100 FLF(E/A)FLFA100/80/0 DIN18531 A22500400013
12527026063 – 900 – 1012Z125 FLF(E/A)FLFA125/80/0 DIN18531 A22500400014
15029528590 – 1120 – 1252Z150 FLF(E/A)FLFA150/80/0 DIN18531 A22500400015
200347337110 – 1620 – 1712Z200 FLF(E/A)FLFA200/80/0 DIN18531 A22500400016
250*397387160 – 2100 – 2142Z250 FLF(E/A)FLFA250/80/0 DIN18531 A22500400017
300*450440200 – 2250 – 2502Z300 FLF(E/A)FLFA300/80/0 DIN18531 A22500400018
350*497487225 – 2700 – 3103Z350 FLF(E/A)FLFA350/80/0 DIN18531 A22500400019
400*547537270 – 3200 – 3503Z400 FLF(E/A)FLFA400/80/0 DIN18531 A22500400020


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

Upper length:mm80-1000
Lower length:mm0-1000
Stainless steel quality:
Application range: Design according to DIN 18531 includes:
DIN 18531 (roofs), DIN 18532 (areas for vehicles), DIN 18534 (interiors), DIN 18535 (containers)

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.