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About This Item

 

Full Description

This part of ISO 4126 specifies general requirements for safety valves irrespective of the fluid for which they are designed.

It is applicable to safety valves having a flow diameter of 4 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature.

This is a product standard and is not applicable to applications of safety valves.

Cross References:
ISO 4126-7:2013
ASME B16.34
EN 12516
ISO 7268
API 527
ISO 6708:1995


Incorporates the following:
Amendment, June 2019; Amendment, August 2016
 

Document History

  1. BS EN ISO 4126-1:2013+A2:2019

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    Safety devices for protection against excessive pressure-Safety valves

    • Most Recent
  2. BS EN ISO 4126-1:2013+A1:2016


    Safety devices for protection against excessive pressure-Safety valves

    • Historical Version
  3. BS EN ISO 4126-1:2013


    Safety devices for protection against excessive pressure. Safety valves

    • Historical Version
  4. BS EN ISO 4126-1:2004


    Safety devices for protection against excessive pressure-Safety valves

    • Historical Version
  5. BS 1123-2:1976


    Safety valves, gauges and fusible plugs for compressed air or inert gas installations.-Specification for safety valves

    • Historical Version
  6. BS 6759-2:1984


    Safety valves-Specification for safety valves for compressed air or inert gases

    • Historical Version
  7. BS 6759-3:1984


    Safety valves-Specification for safety valves for process fluids

    • Historical Version
  8. BS 759-2:1975


    Valves, gauges and other safety fittings for application to boilers and to piping installations for and in connection with boilers.-Specification for safety valves

    • Historical Version
  9. BS 6759-1:1984


    Safety valves-Specification for safety valves for steam and hot water

    • Historical Version