Flanges and flared flanges

Cromo-Stal Sp. z o.o. offers flanges: loose, flush pipe, neck and blank manufactured according to EN 1092-1, ANSI and DIN standards. This catalog includes lists of stainless and acid-resistant steel flanges. There is also an additional information concerning the type of flanged connections, types of sealing surfaces according to EN 1092-1 standard, dimensions of sealing surfaces and other.

Stainless and acid-resistant steel flanges should be marked with the following information specified:

  • standard number, e.g. EN 1092-1
  • type of flange, e.g. 01
  • DN (nominal size), e.g. DN 400
  • marking PN, e.g. PN 10
  • material, e.g. 1.4301

Marking of a flange of type 01, nominal size DN 400, PN 10, manufactured from 1.4301 material - 1.4301 - EN 1092-1/01/DN400/PN10/1.4301

* All information is based upon “Polska Norma” (Polish Standard) ref. no. PN-EN1092-1:2010, Warszawa 2010


When ordering, please specify the following:

  • Type of a flange
  • DN
  • PN
  • Material
  • Quantities


Cromo Stal