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- Vacuum Flanges & Fittings
- ISO-KF Vacuum Flange Components
- ISO-KF Vacuum Flange Centering Ring Seals
ISO-KF Vacuum Flange Centering Ring Seals
ISO-KF centering rings are inserted between two flange faces and secured with an encompassing flange clamp. An included O-ring provides the vacuum seal.
ISO-KF Vacuum Flange Centering Ring Seals
ISO-KF centering rings are inserted between two flange faces and secured with an encompassing flange clamp. An included O-ring provides the vacuum seal.
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Showing 60
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ISO-KF Aluminum Centering Rings with Viton O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- Aluminum construction
| Compare | Description | Avail. | Price | Qty. | |||
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100312600Centering Ring Seal Assembly, ISO-KF, NW10, Viton O-ring, Aluminum |
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$6.20 |
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100312600Centering Ring Seal Assembly, ISO-KF, NW10, Viton O-ring, Aluminum
$6.20
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100312601Centering Ring Seal Assembly, ISO-KF, NW16, Viton O-ring, Aluminum |
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$6.50 |
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100312601Centering Ring Seal Assembly, ISO-KF, NW16, Viton O-ring, Aluminum
$6.50
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100312603Centering Ring Seal Assembly, ISO-KF, NW25, Viton O-ring, Aluminum |
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$7.40 |
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100312603Centering Ring Seal Assembly, ISO-KF, NW25, Viton O-ring, Aluminum
$7.40
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100312605Centering Ring Seal Assembly, ISO-KF, NW40, Viton O-ring, Aluminum |
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$9.80 |
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100312605Centering Ring Seal Assembly, ISO-KF, NW40, Viton O-ring, Aluminum
$9.80
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100312606Centering Ring Seal Assembly, ISO-KF, NW50, Viton O-ring, Aluminum |
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$12.70 |
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100312606Centering Ring Seal Assembly, ISO-KF, NW50, Viton O-ring, Aluminum
$12.70
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Viewing5 of 5 Products
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ISO-KF Aluminum Centering Rings with Buna-N O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 80 °C Max. Buna-N O-Ring
- Aluminum construction
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100312500Centering Ring Seal Assembly, ISO-KF, NW10, Buna-N O-ring, Aluminum |
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$4 |
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100312500Centering Ring Seal Assembly, ISO-KF, NW10, Buna-N O-ring, Aluminum
$4
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100312501Centering Ring Seal Assembly, ISO-KF, NW16, Buna-N O-ring, Aluminum |
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$4.10 |
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100312501Centering Ring Seal Assembly, ISO-KF, NW16, Buna-N O-ring, Aluminum
$4.10
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100312503Centering Ring Seal Assembly, ISO-KF, NW25, Buna-N O-ring, Aluminum |
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$4.90 |
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100312503Centering Ring Seal Assembly, ISO-KF, NW25, Buna-N O-ring, Aluminum
$4.90
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100312505Centering Ring Seal Assembly, ISO-KF, NW40, Buna-N O-ring, Aluminum |
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$6.40 |
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100312505Centering Ring Seal Assembly, ISO-KF, NW40, Buna-N O-ring, Aluminum
$6.40
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100312506Centering Ring Seal Assembly, ISO-KF, NW50, Buna-N O-ring, Aluminum |
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$9.20 |
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100312506Centering Ring Seal Assembly, ISO-KF, NW50, Buna-N O-ring, Aluminum
$9.20
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Viewing5 of 5 Products
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ISO-KF Stainless Steel Centering Rings with Viton O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- Stainless Steel construction
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100312700Centering Ring Seal Assembly, ISO-KF, NW10, Viton O-ring, 304 S.S. |
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$7 |
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100312700Centering Ring Seal Assembly, ISO-KF, NW10, Viton O-ring, 304 S.S.
$7
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100312701Centering Ring Seal Assembly, ISO-KF, NW16, Viton O-ring, 304 S.S. |
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$7.20 |
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100312701Centering Ring Seal Assembly, ISO-KF, NW16, Viton O-ring, 304 S.S.
$7.20
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100312703Centering Ring Seal Assembly, ISO-KF, NW25, Viton O-ring, 304 S.S. |
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$8.10 |
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100312703Centering Ring Seal Assembly, ISO-KF, NW25, Viton O-ring, 304 S.S.
$8.10
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100312705Centering Ring Seal Assembly, ISO-KF, NW40, Viton O-ring, 304 S.S. |
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$12.20 |
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100312705Centering Ring Seal Assembly, ISO-KF, NW40, Viton O-ring, 304 S.S.
$12.20
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100312706Centering Ring Seal Assembly, ISO-KF, NW50, Viton O-ring, 304 S.S. |
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$15.90 |
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100312706Centering Ring Seal Assembly, ISO-KF, NW50, Viton O-ring, 304 S.S.
$15.90
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Viewing5 of 5 Products
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ISO-KF Stainless Steel Centering Rings with Buna-N O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 80 °C Max. Buna-N O-Ring
- Stainless Steel construction
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100312800Centering Ring Assembly, NW10 ISO-KF, Buna-N O-ring, Stainless Steel | $6.10 |
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100312800Centering Ring Assembly, NW10 ISO-KF, Buna-N O-ring, Stainless Steel
$6.10
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100312801Centering Ring Assembly, NW16 ISO-KF, Buna-N O-ring, Stainless Steel |
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$6.60 |
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100312801Centering Ring Assembly, NW16 ISO-KF, Buna-N O-ring, Stainless Steel
$6.60
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100312803Centering Ring Assembly, NW25 ISO-KF, Buna-N O-ring, Stainless Steel |
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$7.90 |
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100312803Centering Ring Assembly, NW25 ISO-KF, Buna-N O-ring, Stainless Steel
$7.90
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100312805Centering Ring Assembly, NW40 ISO-KF, Buna-N O-ring, Stainless Steel |
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$13 |
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100312805Centering Ring Assembly, NW40 ISO-KF, Buna-N O-ring, Stainless Steel
$13
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100312806Centering Ring Assembly, NW50 ISO-KF, Buna-N O-ring, Stainless Steel |
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$15.30 |
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100312806Centering Ring Assembly, NW50 ISO-KF, Buna-N O-ring, Stainless Steel
$15.30
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Viewing5 of 5 Products
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ISO-KF Stainless Steel Centering Rings with Silicone O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 200 °C Max. Silicone O-Ring
- Stainless Steel construction
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100317300Centering Ring Seal Assembly, ISO-KF, NW10, Silicon O-ring, Stainless Steel | $10.40 |
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100317300Centering Ring Seal Assembly, ISO-KF, NW10, Silicon O-ring, Stainless Steel
$10.40
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100317301Centering Ring Seal Assembly, ISO-KF, NW16, Silicon O-ring, Stainless Steel |
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$9.80 |
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100317301Centering Ring Seal Assembly, ISO-KF, NW16, Silicon O-ring, Stainless Steel
$9.80
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100317303Centering Ring Seal Assembly, ISO-KF, NW25, Silicon O-ring, Stainless Steel |
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$11.30 |
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100317303Centering Ring Seal Assembly, ISO-KF, NW25, Silicon O-ring, Stainless Steel
$11.30
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100317305Centering Ring Seal Assembly, ISO-KF, NW40, Silicon O-ring, Stainless Steel |
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$13.20 |
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100317305Centering Ring Seal Assembly, ISO-KF, NW40, Silicon O-ring, Stainless Steel
$13.20
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100317306Centering Ring Seal Assembly, ISO-KF, NW50, Silicon O-ring, Stainless Steel |
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$15.90 |
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100317306Centering Ring Seal Assembly, ISO-KF, NW50, Silicon O-ring, Stainless Steel
$15.90
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Viewing5 of 5 Products
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ISO-KF Aluminum Adaptive Centering Rings with Viton O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- Adapts to obsolete bore sizes
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100315811Adaptive Centering Ring, ISO-KF, NW16 to NW10, Viton O-ring, Aluminum | $8.50 |
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100315811Adaptive Centering Ring, ISO-KF, NW16 to NW10, Viton O-ring, Aluminum
$8.50
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100315813Adaptive Centering Ring, ISO-KF, NW25 to NW20, Viton O-ring, Aluminum |
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$9.70 |
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100315813Adaptive Centering Ring, ISO-KF, NW25 to NW20, Viton O-ring, Aluminum
$9.70
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100315815Adaptive Centering Ring, ISO-KF, NW40 to NW32, Viton O-ring, Aluminum |
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$13.40 |
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100315815Adaptive Centering Ring, ISO-KF, NW40 to NW32, Viton O-ring, Aluminum
$13.40
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Viewing3 of 3 Products
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ISO-KF Aluminum Adaptive Centering Rings with Buna-N O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 80 °C Max. Buna-N O-Ring
- Adapts to obsolete bore sizes
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100315801Adaptive Centering Ring, ISO-KF, NW16 to NW10, Buna-N O-ring, Aluminum |
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$5.70 |
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100315801Adaptive Centering Ring, ISO-KF, NW16 to NW10, Buna-N O-ring, Aluminum
$5.70
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100315803Adaptive Centering Ring, ISO-KF, NW25 to NW20, Buna-N O-ring, Aluminum |
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$7.20 |
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100315803Adaptive Centering Ring, ISO-KF, NW25 to NW20, Buna-N O-ring, Aluminum
$7.20
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100315805Adaptive Centering Ring, ISO-KF, NW40 to NW32, Buna-N O-ring, Aluminum | $9.70 |
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100315805Adaptive Centering Ring, ISO-KF, NW40 to NW32, Buna-N O-ring, Aluminum
$9.70
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Viewing3 of 3 Products
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ISO-KF Stainless Steel Adaptive Centering Rings with Viton O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- Adapts to obsolete bore sizes
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100315821Adaptive Centering Ring, ISO-KF, NW16 to NW10, Viton O-ring, S.S. |
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$10.30 |
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100315821Adaptive Centering Ring, ISO-KF, NW16 to NW10, Viton O-ring, S.S.
$10.30
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100315823Adaptive Centering Ring, ISO-KF, NW25 to NW20, Viton O-ring, S.S. | $13.40 |
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100315823Adaptive Centering Ring, ISO-KF, NW25 to NW20, Viton O-ring, S.S.
$13.40
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100315825Adaptive Centering Ring, ISO-KF, NW40 to NW32, Viton O-ring, S.S. |
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$17.50 |
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100315825Adaptive Centering Ring, ISO-KF, NW40 to NW32, Viton O-ring, S.S.
$17.50
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Viewing3 of 3 Products
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ISO-KF Stainless Steel Centering Ring with Screen
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- 72 mesh screen for filtering
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100318603Centering Ring With Screen, NW25 Size ISO-KF Flange, Viton O-ring, S.S. |
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$34 |
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100318603Centering Ring With Screen, NW25 Size ISO-KF Flange, Viton O-ring, S.S.
$34
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100318601Centering Ring With Screen, NW16 Size ISO-KF Flange, Viton O-ring, S.S. |
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$30 |
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100318601Centering Ring With Screen, NW16 Size ISO-KF Flange, Viton O-ring, S.S.
$30
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100318605Centering Ring With Screen, NW40 Size ISO-KF Flange, Viton O-ring, S.S. |
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$44 |
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100318605Centering Ring With Screen, NW40 Size ISO-KF Flange, Viton O-ring, S.S.
$44
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100318606Centering Ring With Screen, NW50 Size ISO-KF Flange, Viton O-ring, S.S. |
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$44 |
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100318606Centering Ring With Screen, NW50 Size ISO-KF Flange, Viton O-ring, S.S.
$44
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Viewing4 of 4 Products
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ISO-KF Flange Overpressure Rings
- Seal overpressure connections between two ISO-KF flange faces
- Can be added to standard centering rings
- 5-100 psig operation
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100316301Overpressure Ring, NW16 ISO-KF Flange, 100 psig, 304 Stainless Steel |
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$9.40 |
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100316301Overpressure Ring, NW16 ISO-KF Flange, 100 psig, 304 Stainless Steel
$9.40
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100316303Overpressure Ring, NW25 ISO-KF Flange, 100 psig, 304 Stainless Steel |
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$10 |
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100316303Overpressure Ring, NW25 ISO-KF Flange, 100 psig, 304 Stainless Steel
$10
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100316305Overpressure Ring, NW40 ISO-KF Flange, 75 psig, 304 Stainless Steel |
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$11.20 |
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100316305Overpressure Ring, NW40 ISO-KF Flange, 75 psig, 304 Stainless Steel
$11.20
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100316306Overpressure Ring, NW50 ISO-KF Flange, 80 psig, 304 Stainless Steel |
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$12.20 |
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100316306Overpressure Ring, NW50 ISO-KF Flange, 80 psig, 304 Stainless Steel
$12.20
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Viewing4 of 4 Products
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ISO-KF Stainless Steel Overpressure Centering Ring with Viton O-Ring
- Seal connection between two ISO-KF flange faces
- Replaceable 180 °C Max. Viton® O-Ring
- Included overpressure ring for 5-100 psig operation
| Compare | Description | Avail. | Price | Qty. | |||
|---|---|---|---|---|---|---|---|
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100936523Overpressure Centering Ring, NW50 Size ISO-KF Flange, Viton O-Ring |
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$29 |
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100936523Overpressure Centering Ring, NW50 Size ISO-KF Flange, Viton O-Ring
$29
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100936524Overpressure Centering Ring, NW40 Size ISO-KF Flange, Viton O-Ring |
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$22.60 |
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100936524Overpressure Centering Ring, NW40 Size ISO-KF Flange, Viton O-Ring
$22.60
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100936525Overpressure Centering Ring, NW25 Size ISO-KF Flange, Viton O-Ring |
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$21.90 |
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100936525Overpressure Centering Ring, NW25 Size ISO-KF Flange, Viton O-Ring
$21.90
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Viewing3 of 3 Products
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ISO-KF Centering Ring Replacement O-Rings
- Replacement O-rings for centering rings
- Viton®, Buna-N, or Silicon materials
- Keep as spares for increased up-time
| Compare | Description | Avail. | Price | Qty. | |||
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100313900Buna-N O-Ring, NW10 Size ISO-KF Vacuum Flange, 2-312 O-Ring Size | $0.90 |
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100313900Buna-N O-Ring, NW10 Size ISO-KF Vacuum Flange, 2-312 O-Ring Size
$0.90
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100313901Buna-N O-Ring, NW16 Size ISO-KF Vacuum Flange, 2-314 O-Ring Size |
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$0.80 |
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100313901Buna-N O-Ring, NW16 Size ISO-KF Vacuum Flange, 2-314 O-Ring Size
$0.80
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100313903Buna-N O-Ring, NW25 Size ISO-KF Vacuum Flange, 2-320 O-Ring Size |
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$0.90 |
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100313903Buna-N O-Ring, NW25 Size ISO-KF Vacuum Flange, 2-320 O-Ring Size
$0.90
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100313905Buna-N O-Ring, NW40 Size ISO-KF Vacuum Flange, 2-326 O-Ring Size |
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$1.10 |
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100313905Buna-N O-Ring, NW40 Size ISO-KF Vacuum Flange, 2-326 O-Ring Size
$1.10
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100313906Buna-N O-Ring, NW50 Size ISO-KF Vacuum Flange, 2-330 O-Ring Size |
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$1.20 |
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100313906Buna-N O-Ring, NW50 Size ISO-KF Vacuum Flange, 2-330 O-Ring Size
$1.20
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Viewing5 of 15 Products
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