Flange to port adapters allow the mating of a KF (QF) flange to a particular type of port or tubulation. All of our flange to port adapters are manufactured from 304 series stainless steel (unless otherwise noted).
Flange to Port Adapter Types:
- KF to 1" Baseplate Port -- Adapter fits through a 1" diameter hole in a baseplate or chamber wall used for connecting a roughing pump or other KF flanged component to the chamber.
- KF to Hose Tubulation -- Available in either stainless steel or aluminum, they connect a KF flange to a plastic or rubber vacuum hose
- KF to Test Port -- KF flange terminating in a tube with an O.D. that fits either a 1-1/8" or 2" O.D. test port
- KF to Welch Pump Port -- Substitutes for the regular intake hose coupling on the pump. Threads into the pump inlet, enabling direct connection to the foreline by the KF flange.
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 | Drawing | Dim A | Dim B | Dim C | Description |
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Part Number | Price | In Stock | Add To Cart | ||||
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Flange Size/OD | Type | Drawing | Dim A | Dim B | Dim C | Description |
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Part Number | Price | In Stock | Add To Cart | ||||
KF10 (1.18" OD) |
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0.63 | 1.65 | — | ADAPTER,HOSE,ALUM,QF10 X 5/8 |
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QF10-050-H | $11.15 | |||||||
KF10 (1.18" OD) |
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0.5 | 1.26 | 0.79 | ADAPTER,PVC HOSE,SS,QF10 X 1/2"HOSE |
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QF10-050-SH | $26.50 | |||||||
KF16 (1.18" OD) |
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0.63 | 1.65 | — | ADAPTER,RUBBER HOSE,ALUM,QF16 X1/2" OR 5/8". |
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QF16-050-H | $11.15 | |||||||
KF16 (1.18" OD) |
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0.5 | 1.26 | 0.79 | ADAPTER,PVC HOSE,SS,QF16 X 1/2". |
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QF16-050-SH | $22.10 | |||||||
KF16 (1.18" OD) |
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0.75 | 1.65 | — | ADAPTER,RUBBER HOSE,ALUM,QF16 X 3/4". |
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QF16-075-H | $11.35 | |||||||
KF16 (1.18" OD) |
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0.75 | 1.26 | 0.79 | ADAPTER,PVC HOSE,SS,QF16 X 3/4 |
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QF16-075-SH | $22.10 | |||||||
KF25 (1.57" OD) |
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0.88 | 1.73 | — | ADAPTER,RUBBER HOSE,ALUM,QF25 X 3/4" OR 7/8"ID HOSE. |
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QF25-100-H | $16.15 | |||||||
KF25 (1.57" OD) |
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1 | 1.5 | 1.02 | ADAPTER,PV HOSE,SS,QF25 X 1" |
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QF25-100-SH | $27.60 | |||||||
KF40 (2.16" OD) |
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1.63 | 2.17 | — | ADAPTER,RUBBER HOSE,ALUM,QF40 FITS 1-1/2" OR 1-5/8"I.D. HOSE. |
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QF40-150-H | $19.30 | |||||||
KF40 (2.16" OD) |
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1.5 | 1.97 | 1.5 | ADAPTER,PVC HOSE,SS,QF40 TO 1-1/2"ID. |
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QF40-150-SH | $33.20 | |||||||
KF50 (2.95" OD) |
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1.63 | 2.17 | — | ADAPTER, AL,QF50, FITS 1-1/2" OR 1-5/8"I.D. HOSE. |
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QF50-200-H | $25.70 | |||||||
KF50 (2.95" OD) |
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2 | 2.17 | 1.61 | ADAPTER,SS,QF50 TO PVC HOSE CONNECTION. |
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QF50-200-SH | $34.25 |
Flange Size/OD | Type | Drawing | Dim A | Dim B | Dim C | Description |
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Part Number | Price | In Stock | Add To Cart | ||||
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Flange Size/OD | Type | Drawing | Dim A | Dim B | Dim C | Description |
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Part Number | Price | In Stock | Add To Cart | ||||
KF10 (29.97 mm OD) |
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16 | 41.9 | — | ADAPTER,HOSE,ALUM,QF10 X 5/8 |
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QF10-050-H | $11.15 | |||||||
KF10 (29.97 mm OD) |
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12.7 | 32 | 20.1 | ADAPTER,PVC HOSE,SS,QF10 X 1/2"HOSE |
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QF10-050-SH | $26.50 | |||||||
KF16 (29.97 mm OD) |
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16 | 41.9 | — | ADAPTER,RUBBER HOSE,ALUM,QF16 X1/2" OR 5/8". |
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QF16-050-H | $11.15 | |||||||
KF16 (29.97 mm OD) |
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12.7 | 32 | 20.1 | ADAPTER,PVC HOSE,SS,QF16 X 1/2". |
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QF16-050-SH | $22.10 | |||||||
KF16 (29.97 mm OD) |
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19.1 | 41.9 | — | ADAPTER,RUBBER HOSE,ALUM,QF16 X 3/4". |
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QF16-075-H | $11.35 | |||||||
KF16 (29.97 mm OD) |
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19.1 | 32 | 20.1 | ADAPTER,PVC HOSE,SS,QF16 X 3/4 |
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QF16-075-SH | $22.10 | |||||||
KF25 (39.88 mm OD) |
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22.4 | 43.9 | — | ADAPTER,RUBBER HOSE,ALUM,QF25 X 3/4" OR 7/8"ID HOSE. |
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QF25-100-H | $16.15 | |||||||
KF25 (39.88 mm OD) |
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25.4 | 38.1 | 25.9 | ADAPTER,PV HOSE,SS,QF25 X 1" |
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QF25-100-SH | $27.60 | |||||||
KF40 (54.86 mm OD) |
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41.4 | 55.1 | — | ADAPTER,RUBBER HOSE,ALUM,QF40 FITS 1-1/2" OR 1-5/8"I.D. HOSE. |
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QF40-150-H | $19.30 | |||||||
KF40 (54.86 mm OD) |
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38.1 | 50 | 38.1 | ADAPTER,PVC HOSE,SS,QF40 TO 1-1/2"ID. |
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QF40-150-SH | $33.20 | |||||||
KF50 (74.93 mm OD) |
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41.4 | 55.1 | — | ADAPTER, AL,QF50, FITS 1-1/2" OR 1-5/8"I.D. HOSE. |
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QF50-200-H | $25.70 | |||||||
KF50 (74.93 mm OD) |
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50.8 | 55.1 | 40.9 | ADAPTER,SS,QF50 TO PVC HOSE CONNECTION. |
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QF50-200-SH | $34.25 |
All dimensions listed in the table above, unless otherwise stated, are in inches.
All dimensions listed in the table above, unless otherwise stated, are in millimeters.
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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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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