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ISO 3669:2026

Vacuum technology — Dimensions of knife-edge flanges

General information

Valid from 24.06.2026
Directives or regulations
None

Standard history

Status
Date
Type
Name
24.06.2026
Main
07.02.2020
Main
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.

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