PTFE Clamp Gasket
The PTFE gasket retains its illustrated flat annular profile; dimensions belong to the selected source series.
Material | PTFE |
|---|
Product overview
Construction and mating components
The gasket sits between mating ferrule sealing faces and is compressed by the clamp joint. Select the seal profile, inside/outside diameters and material separately. Screen gaskets include a mesh element and are distinct from plain seals. The body specification lists DN20~100; the dimension chart has its own size rows. Read each range as marked rather than treating inch designations and DN values as interchangeable.
Technical specifications
Product series
- Series size range
- DN20~100 (Nominal range in the body specification; read the dimension-chart size rows separately.)
Tri-Clamp Seal Gasket Series Dimensional Reference (JO20644079)
Applies to the JO20644079 sanitary Tri-Clamp gasket series (chart lists 1/2"–8.0", while overview options span up to 12" / DN15–DN300); confirm elastomer/PTFE material, screen/lip profile, and mating ferrule OD (A) when ordering.

| Size | A | B |
|---|---|---|
| 1/2" | 21.8 | 9.9 |
| 3/4" | 21.8 | 16.3 |
| 1.0" | 50.0 | 22.7 |
| 1.5" | 50.0 | 35.9 |
| 2.0" | 63.5 | 48.6 |
| 2.5" | 76.2 | 61.3 |
| 3.0" | 88.9 | 74.0 |
| 4.0" | 118 | 98.6 |
| 6.0" | 165 | 147.8 |
| 8.0" | 216 | 196.6 |
Dimension symbols
- A
- gasket outside diameter (matching clamp ferrule face OD)
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