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
337 Series, 3.375″ 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 |
|---|---|---|---|---|---|---|---|---|---|
| 3-3/8″ | 3.375″ | 2.85″ | 0.62″ | .220″ | 1.5 | 1.0 | 8 | 0.33″ | 5/16-24 |
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Configuration Chart
| Description | Tube Size | Part Number | Description | Tube Size | Part Number |
|---|---|---|---|---|---|
| Flange, Blank | – | 337-000 | Rotatable Flange, Blank | – | 337-000-R |
| Flange, Bored | 1-1/2″ | 337-150 | Rotatable Flange, Bored | 1-1/2″ | 337-150-R |
| Flange, Bored | 2″ | 337-200 | Rotatable Flange, Bored | 2″ | 337-200-R |
| Flange, Blank, Tapped | – | 337-000-T | Rotatable Flange, Blank, Tapped | – | 337-000-RT |
| Flange, Bored, Tapped | 1-1/2″ | 337-150-T | Rotatable Flange, Bored, Tapped | 1-1/2″ | 337-150-RT |
| Flange, Bored, Tapped | 2″ | 337-200-T | Rotatable Flange, Bored, Tapped | 2″ | 337-200-RT |
