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 316L stainless steel or aluminum 6061-T6 (miter elbows only)
- Radius or miter design
- Common lengths and tube diameters listed; contact us with your specific requirements
Ordering Table
All dimensions listed in the table below, unless otherwise stated, are in inches.
All dimensions listed in the table below, unless otherwise stated, are in millimeters.
(Click column headers to sort data)
Flange Size/OD | Type | Flange Material | Drawing | Nominal Tube OD | Wall Thickness | Description |
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Part Number | Price | In Stock | Add To Cart | Accessories | ||||
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Flange Size/OD | Type | Flange Material | Drawing | Nominal Tube OD | Wall Thickness | Description |
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Part Number | Price | In Stock | Add To Cart | Accessories | ||||
KF16 (1.18" OD) |
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3/4 | 0.065 | ELBOW,SS,LONG,RADIUS,90 DEG QF16 FLGS,"A"-2.70". |
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QF16-E90-LR | $95.90 | ||||||||
KF25 (1.57" OD) |
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1 | 0.065 | ELBOW, RADIUS, 90DEG, SS, QF25 LONG RADIUS |
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QF25-E90-LR | $117.40 | ||||||||
KF40 (2.16" OD) |
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1-1/2 | 0.065 | ELBOW,SS,LONG,RADIUS,90 DEG QF40 FLGS,"A"-5.12". |
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QF40-E90-LR | $97.40 | ||||||||
KF50 (2.95" OD) |
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2 | 0.065 | ELBOW,90 DEG,LONG RADIUS,SS, QF50 FLGS,"A"-5.51". |
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QF50-E90-LR | $160.10 |
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Flange Size/OD | Type | Flange Material | Drawing | Nominal Tube OD | Wall Thickness | Description |
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Part Number | Price | In Stock | Add To Cart | Accessories | ||||
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Flange Size/OD | Type | Flange Material | Drawing | Nominal Tube OD | Wall Thickness | Description |
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Part Number | Price | In Stock | Add To Cart | Accessories | ||||
KF16 (29.97 mm OD) |
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19.05 | 1.651 | ELBOW,SS,LONG,RADIUS,90 DEG QF16 FLGS,"A"-2.70". |
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QF16-E90-LR | $95.90 | ||||||||
KF25 (39.88 mm OD) |
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25.4 | 1.651 | ELBOW, RADIUS, 90DEG, SS, QF25 LONG RADIUS |
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QF25-E90-LR | $117.40 | ||||||||
KF40 (54.86 mm OD) |
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38.1 | 1.651 | ELBOW,SS,LONG,RADIUS,90 DEG QF40 FLGS,"A"-5.12". |
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QF40-E90-LR | $97.40 | ||||||||
KF50 (74.93 mm OD) |
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50.8 | 1.651 | ELBOW,90 DEG,LONG RADIUS,SS, QF50 FLGS,"A"-5.51". |
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QF50-E90-LR | $160.10 |
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Accessories Table
Description | For | Per Package |
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Part Number | Price | In Stock | Add Item | ||||
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Description | For | Per Package |
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Part Number | Price | In Stock | Add Item | ||||
Cast Clamps (SS) | KF10, KF16 Flanges | 1 |
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Cast Clamps (SS) | KF25 Flanges | 1 |
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Cast Clamps (SS) | KF40 Flanges | 1 |
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Cast Clamps (SS) | KF50 Flanges | 1 |
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Cast Clamps (Aluminum) | KF10, KF16 Flanges | 1 |
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Cast Clamps (Aluminum) | KF25 Flanges | 1 |
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Cast Clamps (Aluminum) | KF40 Flanges | 1 |
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Cast Clamps (Aluminum) | KF50 Flanges | 1 |
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Lever Clamps (Aluminum) | KF10, KF16 Flanges | 1 |
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Lever Clamps (Aluminum) | KF25 Flanges | 1 |
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Lever Clamps (Aluminum) | KF40 Flanges | 1 |
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Centering Ring (SS with Fluorocarbon O-Ring) | KF10 Flanges | 1 |
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Centering Ring (SS with Fluorocarbon O-Ring) | KF16 Flanges | 1 |
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Centering Ring (SS with Fluorocarbon O-Ring) | KF25 Flanges | 1 |
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Centering Ring (SS with Fluorocarbon O-Ring) | KF40 Flanges | 1 |
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Centering Ring (SS with Fluorocarbon O-Ring) | KF50 Flanges | 1 |
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