Tri-Clamp Flanged Gaskets – Type 2 (40MPF)
- Available in Buna, EPDM, Viton®, and Silicone
- Sizes from 1″ up to 12″
- Creates a leak-proof seal between tri-clamp flanges
- We also offer Unflanged Tri-Clamp Gaskets
- Compound Selection Guide
- Temperature & Usage Guide
- Sizing Guide
Sanitary tri-clamp flanged gaskets are used to make a secure, leak-proof connection between clamp fittings.
A variety of materials are available for selection depending upon medium used inline processing. Gaskets range in size from 1 inch to 12 inches.
If you would like a copy of a gaskets certificate, please ask for them at the time of order. Certificates are specific per lot of gaskets. Much like a heat number for fittings, gaskets have what is called a lot number. We don’t log these numbers at the time of order but we do include them on the packaging if you need the certificate after receiving them.
Please see Compound Selection Guide for compatibility information.
Gasket Cleaning & Maintenance
Tri-Clamp Gasket Sizes & Dimensions
| Sanitary Size | A | B | C | D |
| 1/2" | .875 | .4375 | NA | |
| 3/4" | .875 | .6250 | NA | |
| 1" | 1.984" | .900" | 1.718" | 0.203" |
| 1 1/2" | 1.984" | 1.400" | 1.718" | 0.203" |
| 2" | 2.515" | 1.900" | 2.218" | 0.203" |
| 2 1/2" | 3.050" | 2.400" | 2.781" | 0.203" |
| 3" | 3.579" | 2.900" | 3.281" | 0.203" |
| 4" | 4.682" | 3.869" | 4.344" | 0.203" |
| 6" | 6.570" | 5.813" | 6.176" | 0.203" |
| 8" | 8.570" | 7.813" | 8.165" | 0.238" |
| 10" | 10.570" | 9.813" | 10.156" | 0.238" |
| 12" | 12.570" | 11.813" | 12.151" | 0.238" |
Tri-Clamp Gasket Comparison Guide
| Gasket | Temperature Range | Recommended Usage | Not Recommended | Industry | Certification Approval |
|---|---|---|---|---|---|
| Buna (Nitrile) | Standard: -35°F to 250°F (-37°C to 121°C) | Water, Oils, Fuels | Ketones, Strong Acids, Sunlight, Ozone, Weathering | Food & Beverage | FDA Approved |
| EPDM (Ethylene Propylene) | Standard: -65°F to 300°F (-54°C to 149°C) | Sunlight, Weathering, Hot Water, Steam, Select Acids/Bases, Alcohols | Oils, Fuels | Bio-Pharmaceutical, Food & Beverage, Drinking Water | USP Class VI Tested |
| PTFE (Teflon®) | Standard: -100°F to 450°F (-74°C to 232°C) | Chemical, Heat, Pressure Applications | Stretching, Elasticity | Chemical Processing | USP Class VI Tested |
| FKM (Viton®) | Standard: -15°F to 437°F (-26°C to 222°C) | Vacuum, Most Acids / Chemicals, Oils, Fuels | Ketones, Ammonia, Hot Water / Steam | Chemical Processing | USP Class VI Tested |
| Silicone | Standard: -65°F to 450°F (-53°C to 232°C) | Food processing machinery and industrial oven seals in the food industry. In the medical industry, they are used for medical and healthcare equipment. | Ammonium Nitrite, Barium Sulfate, Milk | Benzene, Butane, Freon | USP Class VI Tested |
How to Measure Tri-Clamp Fittings
Tri-Clamp Fittings and Gasket Sizing Guide
| Sanitary Size |
Flange OD (?) |
Tube ID (?) |
Tube OD (?) |
|---|---|---|---|
| 1/2″ | 0.984 | 0.370 | 0.500 |
| 3/4″ | 0.984 | 0.620 | 0.750 |
| 1″ | 1.984 | 0.870 | 1.000 |
| 1 1/2″ | 1.984 | 1.370 | 1.500 |
| 2″ | 2.516 | 1.870 | 2.000 |
| 2 1/2″ | 3.047 | 2.370 | 2.500 |
| 3″ | 3.579 | 2.870 | 3.000 |
| 4″ | 4.682 | 3.834 | 4.000 |
| 6″ | 6.562 | 5.782 | 6.000 |
| 8″ | 8.602 | 7.782 | 8.000 |
| 10″ | 10.570 | 9.782 | 10.000 |
| 12″ | 12.570 | 11.760 | 12.000 |
Looking for even more information on Tri-Clamp fittings?
We have everything you need. Read "The Ultimate Guide to Tri-Clamp Fittings"
Additional information
Line Drawings
| SKU | Description | Line Drawing |
|---|---|---|
| 40MOFE-6 | 6″ White EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MOFEW-8 | 8″ White EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MOFSFY-12 | 12″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MOFSFY-6 | 6″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MOFSFY-8 | 8″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MOFU-6 | 6″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MOFU-8 | 8″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MOFUW-12 | 12″ White Buna Tri-Clamp Flanged Gasket |
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| 40MOFUW-6 | 6″ White Buna Tri-Clamp Flanged Gasket |
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| 40MOFUW-8 | 8″ White Buna Tri-Clamp Flanged Gasket |
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| 40MOFWSFY-10 | 10″ White FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MOFX-10 | 10″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MOFX-12 | 12″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MOFX-6 | 6″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MOFX-8 | 8″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MPFE-1 | 1″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFE-1.5 | 1 1/2″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFE-2 | 2″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFE-2.5 | 2 1/2″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
|
| 40MPFE-3 | 3″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFE-4 | 4″ Black EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFEW-4 | 4″ White EPDM (Peroxide Cured) Tri-Clamp Flanged Gasket |
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| 40MPFSFY-1 | 1″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MPFSFY-1.5 | 1 1/2″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MPFSFY-2 | 2″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MPFSFY-2.5 | 2 1/2″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
|
| 40MPFSFY-3 | 3″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MPFSFY-4 | 4″ Black FKM/SFY Viton Tri-Clamp Flanged Gasket |
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| 40MPFSFY-MDXR-2.5B | 2 1/2″ Blue FKM/SFY Viton Metal Detectable Tri-Clamp Flanged Gasket |
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| 40MPFU-1 | 1″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MPFU-1.5 | 1 1/2″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MPFU-2 | 2″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MPFU-2.5 | 2 1/2″ Black Buna Tri-Clamp Flanged Gasket |
|
| 40MPFU-3 | 3″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MPFU-4 | 4″ Black Buna Tri-Clamp Flanged Gasket |
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| 40MPFUW-1.5 | 1 1/2″ White Buna Tri-Clamp Flanged Gasket |
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| 40MPFUW-2 | 2″ White Buna Tri-Clamp Flanged Gasket |
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| 40MPFUW-2.5 | 2 1/2″ White Buna Tri-Clamp Flanged Gasket |
|
| 40MPFUW-3 | 3″ White Buna Tri-Clamp Flanged Gasket |
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| 40MPFUW-4 | 4″ White Buna Tri-Clamp Flanged Gasket |
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| 40MPFX-1 | 1″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MPFX-1.5 | 1 1/2″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MPFX-2 | 2″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MPFX-2.5 | 2 1/2″ White Silicone Tri-Clamp Flanged Gasket |
|
| 40MPFX-3 | 3″ White Silicone Tri-Clamp Flanged Gasket |
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| 40MPFX-4 | 4″ White Silicone Tri-Clamp Flanged Gasket |
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| 40RXPXF-1 | 1″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-1.5 | 1 1/2″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-10 | 10″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-12 | 12″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-2 | 2″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-2.5 | 2 1/2″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
|
| 40RXPXF-3 | 3″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-4 | 4″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-6 | 6″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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| 40RXPXF-8 | 8″ Clear Silicone (Platinum Cured) Tri-Clamp Flanged Gasket |
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