Standard

NS-EN 331:1998

Withdrawn

Note: This standard has a new edition: NS-EN 331:2015

Corrigendums and amendments are bought separately.

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Abstract

1.1 This European standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements. It applies to valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437).

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1998-01
  • Version: 1
  • Document type: NAT
  • ICS 23.060.10
  • National Committee CEN/TC 236

Legal references

EU law: 89/106/EEC, 305/2011

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