Reference number
ISO 3669:2020
© ISO 2025
International Standard
ISO 3669:2020
Vacuum technology — Dimensions of knife-edge flanges
Edition 3
2020-02
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Published (Edition 3, 2020)

ISO 3669:2020

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Format
CHF 65
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Abstract

This document specifies the dimensions of fixed or rotatable bolted knife-edge flanges used in vacuum systems for pressures ranging from atmospheric to as low as 10−11 Pa.

General information

  • Status
     : Published
    Publication date
     : 2020-02
    Corrected version (en)
     : 2020-05
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 3
    Number of pages
     : 7
  • Technical Committee :
    ISO/TC 112
    ICS :
    23.160 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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