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ISO 3669:2026

Vacuum technology — Dimensions of knife-edge flanges

Publication date:   Jun 24, 2026

General information

60.60   Standard published   Jun 24, 2026

ISO

ISO/TC 112 Vacuum technology

International Standard

23.160   Vacuum technology

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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

WITHDRAWN
ISO 3669:2020

NOW

PUBLISHED
ISO 3669:2026
60.60 Standard published
Jun 24, 2026