90° KF (QF) Long Radius Elbows
We fabricate these KF (QF) elbows for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports.
KF Elbows Feature:
- Available in 304L stainless steel or aluminum (miter elbows only)
- Radius or miter design
- Common lengths and tube diameters listed; contact us with your specific requirements
NOTE: These flanges are identical to the ISO NW flange standard. While these flanges are compatible with those made by European manufacturers, the tube diameter listed is in inches.
Flange Size | Flange Type | Dim A | Weight lbs (kg) | PartNo | Price | | |
| KF16 |
Stainless Steel |
2.70" |
1/2 (0.22) |
QF16-E90-LR |
$63.00 |
|
|
| KF25 |
Stainless Steel |
3.64" |
3/4 (0.34) |
QF25-E90-LR |
$67.00 |
|
|
| KF40 |
Stainless Steel |
5.12" |
1 (0.45) |
QF40-E90-LR |
$91.00 |
|
|
| KF50 |
Stainless Steel |
5.52" |
1-1/2 (0.68) |
QF50-E90-LR |
$109.00 |
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