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ISO 3669

Vacuum technology — Dimensions of knife-edge flanges

General information

60.00     May 21, 2026

ISO

ISO/TC 112

International Standard

23.160  

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 3669:2020

NOW

PROJECT
ISO 3669
60.00 Standard under publication
May 21, 2026