VAC-U-FLANGE® Flanges (CF)
Available in solid (non-rotatable) and multi-piece (rotatable) styles, as well as double-sided and zero-length adapter versions. Typically used in ultra-high vacuum applications, VAC-U-FLANGE® flanges are designed to conform to industry standard knife edge seal style flanges and are compatible with MDC , Conflat® and flanges from other manufacturers. Huntington flanges meet or exceed industry standards for form, fit & function.

To order please use “Quick Quote” link this page, or for multiple items use our full
133 Series, 1.33″ OD, VAC-U-FLANGE® Flanges
Nom OD “A” |
Flange OD |
Bolt Circle “B” |
Thickness “C” |
Set Back “D” |
Blank Wht. (lbs.) |
Bored Wht. (lbs.) |
# of Bolt Holes |
Clearance Holes (dia.) |
Tapped Holes |
---|---|---|---|---|---|---|---|---|---|
1-1/3″ | 1.33″ | 1.06″ | 0.29″ | .046″ | 0.25 | 0.25 | 6 | 0.17″ | #8-32 |
![]() |
|||||||||
Configuration Chart
Description | Tube Size | Part Number | Description | Tube Size | Part Number |
---|---|---|---|---|---|
Flange, Blank | – | 133-000 | Rotatable Flange, Blank | – | 133-000-R |
Flange, Bored | 1/4″ | 133-025 | Rotatable Flange, Bored | 1/4″ | 133-025-R |
Flange, Bored | 3/8″ | 133-037 | Rotatable Flange, Bored | 3/8″ | 133-037-R |
Flange, Bored | 1/2″ | 133-050 | Rotatable Flange, Bored | 1/2″ | 133-050-R |
Flange, Bored | 3/4″ | 133-075 | Rotatable Flange, Bored | 3/4″ | 133-075-R |
Flange, Blank, Tapped | – | 133-000-T | Rotatable Flange, Blank, Tapped | – | 133-000-RT |
Flange, Bored, Tapped | 1/4″ | 133-025-T | Rotatable Flange, Bored, Tapped | 1/4″ | 133-025-RT |
Flange, Bored, Tapped | 3/8″ | 133-037-T | Rotatable Flange, Bored, Tapped | 3/8″ | 133-037-RT |
Flange, Bored, Tapped | 1/2″ | 133-050-T | Rotatable Flange, Bored, Tapped | 1/2″ | 133-050-RT |
Flange, Bored, Tapped | 3/4″ | 133-075-T | Rotatable Flange, Bored, Tapped | 3/4″ | 133-075-RT |
