ISO 3669:1986
Vacuum technology; Bakable flanges; Dimensions

Standard No.

ISO 3669:1986

Release Date

1986

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 3669:2017

Latest

ISO 3669:2020

Scope

Deals with flanges rigidly or rotatably bolted which are used in vacuum systems. Two series of flanges are specified: a preferred one, the main dimensions of which ensure compatibility with already standardized, non-bakable flanges (see ISO 1609) and a secondary series concerning flanges in common use.

ISO 3669:1986 history

• 2020 ISO 3669:2020 Vacuum technology — Dimensions of knife-edge flanges
• 2017 ISO 3669:2017 Vacuum technology — Bakeable flanges — Dimensions of knife-edge flanges
• 1986 ISO 3669:1986 Vacuum technology; Bakable flanges; Dimensions