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About This Item

 

Full Description

ISO 11363-1:2010 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm (designated 17E) and 25,8 mm (designated 25E) used for the connection of valves to gas cylinders.

It does not cover the connection requirements for:

  • mechanical strength;
  • gas tightness;
  • capability of repeated assembly and dismounting operations.

Gauge inspection is covered by ISO 11363-2.

 

Document History

  1. ISO 11363-1:2018/Amd1:2023


    - Amendment 1: Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications - Amendment 1

    • Most Recent
  2. ISO 11363-1:2018


    Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications

    • Historical Version
  3. ISO 11363-1:2010

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    Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications

    • Historical Version
  4. ISO 11116-1:1999


    Gas cylinders -- 17E taper thread for connection of valves to gas cylinders -- Part 1: Specifications

    • Historical Version
  5. ISO 10920:1997


    Transportable gas cylinders -- 25E taper thread for connection of valves -- Specification

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ISO 11363-1/Cor2:2012

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    Corrigendum

  2. ISO 11363-1/Cor1:2011

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    Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications - Corrigendum 1