KF (QF) Full Nipples (304L SS) 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
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 | Dim A | Weight lbs (kg) | PartNo | Price | | | | KF16 | 3.15" | 1/2 (0.22) | QF16-075-N | $41.20 | | | | KF16 | 12.60" | 3/4 (0.34) | QF16-075-NL | $49.60 | | | | KF25 | 3.94" | 1/2 (0.22) | QF25-100-N | $47.40 | | | | KF25 | 12.60" | 3/4 (0.34) | QF25-100-NL | $57.00 | | | | KF40 | 5.12" | 1/2 (0.22) | QF40-150-N | $59.00 | | | | KF40 | 12.60" | 1 (0.45) | QF40-150-NL | $73.00 | | | | KF50 | 5.51" | 1 (0.45) | QF50-200-N | $72.00 | | | | KF50 | 12.60" | 1-1/2 (0.68) | QF50-200-NL | $83.00 | | |
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