Standard

NS-EN 1171:2015

Published

Corrigendums and amendments are bought separately.

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Abstract

This European Standard specifies the requirements for cast iron gate valves with flanged ends, socket ends or spigot ends. This standard is applicable to cast iron gate valves mainly used for industrial and general-purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met. The range of nominal sizes covered is: DN 40 ; DN 50 ; DN 65 ; DN 80 ; DN 100 ; DN 125 ; DN 150 ; DN 200 ; DN 250 ; DN 300 ; DN 350 ; DN 400 ; DN 450 ; DN 500 ; DN 600 ; DN 700 ; DN 800 ; DN 900 ; DN 1 000. The range of pressure designations covered is: - isobaric PN 6; PN 10; PN 16; PN 25; - isomorphic, PS 10 bar to PS 1 bar at room temperature.

Document information

  • Standard from SN
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 23.060.30
  • National Committee CEN/TC 69

Legal references

EU law: 97/23/EC, 2014/68/EU

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