KF (QF) Half Nipples (Aluminum)
We fabricate these KF (QF) nipples (spools) 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 Nipples Feature:
- Available in 304L stainless steel, brass (half nipples only), or aluminum
- Half nipples feature one KF flange
- Full nipples feature two KF flanges
- Conical and straight reducer nipples adapt two different flange sizes
- Common lengths and tube diameters listed; contact us with your specific requirements
Flange Size | Dim A | Dim B | Dim C | Nominal Tube O.D. | Weight lbs (kg) | PartNo | Price | | |
| KF10 |
0.50" |
1.575" |
0.375" |
1/2" |
1/4 (0.11) |
QF10-050-LFA |
$11.40 |
|
|
| KF16 |
0.50" |
1.575" |
0.375" |
1/2" |
1/4 (0.11) |
QF16-050-LFA |
$11.40 |
|
|
| KF16 |
0.75" |
1.575" |
0.625" |
3/4" |
1/4 (0.11) |
QF16-075-LFA |
$13.40 |
|
|
| KF25 |
1.00" |
1.575" |
0.875" |
1" |
1/4 (0.11) |
QF25-100-LFA |
$14.50 |
|
|
| KF40 |
1.50" |
1.575" |
1.335" |
1-1/2" |
1/4 (0.11) |
QF40-150-LFA |
$16.50 |
|
|
| KF50 |
2.00" |
1.575" |
1.835" |
2" |
1/4 (0.11) |
QF50-200-LFA |
$23.80 |
|
|
|