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Fixed/loose flange wall sleeve made from stainless steel

for retrofit dowelling, according to DIN 18531*

FLFA DIN18531 A2

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For dowelling with wall sleeves, core drills or breakthroughs.


Application range:


    • 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) D3Wall sleeve wall thickness (mm) SOrder ref.Article no.
    802242142FLFA1x80/80/0 DIN18531 A22500400012
    1002442342FLFA1x100/80/0 DIN18531 A22500400013
    1252702602FLFA1x125/80/0 DIN18531 A22500400014
    1502952852FLFA1x150/80/0 DIN18531 A22500400015
    2003473372FLFA1x200/80/0 DIN18531 A22500400016
    250*3973872FLFA1x250/80/0 DIN18531 A22500400017
    300*4504402FLFA1x300/80/0 DIN18531 A22500400018
    350*4974873FLFA1x350/80/0 DIN18531 A22500400019
    400*5475373FLFA1x400/80/0 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

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