Tapers and transition pieces

A complete program Tapers and transition pieces can be used in dust extraction and exhaust air, bulk handling and low pressure pneumatic transport,  according to DIN 24151. We have large quantities on stock, and we can produce on special request. Contact us for more information.

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  • Tapers
  • Extended tapers
  • Conical extended tapers
  • Transition pieces
  • Central collectors
  • Suction hoods

Tapers Calculator

Use our easy online tool to calculate the tapers length according to required diameters.


  • With edges for pull-ring connection
  • With loose flanges according to standard FA-norm, DIN 24154 R1 t/m R5, according to client specifications.
  • With FA-quick system
  • Smooth ends (without bords)

Plate qualities

  • Mild steel DC 01 and DC 04 (St. 12.03/St. 14.03) – black
  • Mild steel DC 01 and DC 04 – powder coated PE RAL 7032 – layer thickness approx 60 µ food grade (on request : powder coated in other RAL)
  • Mild steel DC 01 and DC 04 – hotdip galvanized according to DIN 50961 – layer thickness
  • approx 70-150 µ
  • AISI 304 (1.4301) white pickled and passivated (on request : Cr-Ni blasted)
  • AISI 316 Ti (1.4571 white pickled and passivated (on request : Cr-Ni blasted)
  • AlMg3, etc


  • Diameter and roundness according to DIN 1626
  • Lengths and angles according to DIN ISO 2768-1-V (1° tolerance by segments and sloping transition pieces)

Range of applications

  • Dust extraction and exhaust air
  • Low pressure pneumatic conveying
  • Bulk goods handling