BS ISO 3669:2020
Vacuum technology. Dimensions of knife-edge flanges

Standard No.

BS ISO 3669:2020

Release Date

2020

Published By

British Standards Institution (BSI)

Latest

BS ISO 3669:2020

Scope

What is ISO 3669 about?    ISO 3669  discusses vacuum technology.  Vacuum technology is a method used to evacuate air from a closed volume by creating a pressure differential from the closed volume to some vent, the ultimate vent being the open atmosphere.   ISO 3669  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.   Who is ISO 3669 for?   ISO 3669  on   vacuum technology is useful for:  

BS ISO 3669:2020 history

• 2020 BS ISO 3669:2020 Vacuum technology. Dimensions of knife-edge flanges
• 2017 BS ISO 3669:2017 Vacuum technology. Bakeable flanges. Dimensions of knife-edge flanges
• 2008 BS DD ISO/TS 3669-2:2008 Vacuum technology - Bakable flanges - Dimensions of knife-edge flanges
• 0000 BS DD ISO/TS 3669-2:2007