Standard

NS-EN 1759-4:2003

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Abstract

This European standard specifies requirements for Class designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 (NPS 1/2 to NPS 24) and Class 150 to Class 300 (see Table 1). This standard specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of jointing faces, marking and materials together with associated pressure temperature (p/T) ratings. The flanges are intended to be used for piping as well as for pressure vessels.

Document information

  • Standard from SN
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 23.040.60
  • National Committee CEN/TC 74

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