Couplings

Photo of product family: Couplings


Duct coupling
 is produced in diameters range 80 to 1600 mm of galvanized, aluminium and stainless steel sheet.

They are recommended in the version with EPDM seals to ensure achieving "D" class leak tightness according to EN 12237 (RISE certificate). Depending on the type of connection there are the following types of duct coupling:

  • Male couplings NS/NSL manufactured with negative tolerance are applicable for connecting two ducts that overlap the connector.
  • Female couplings MSF have diameters equal to duct diameters and are used for joining two duct fittings that fit inside the connector.

Duct couplings are used for ventilation ducts and fittings.

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Alnor Systemy Wentylacji
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