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Sanitary clamp gaskets, 6 and 8 in (Type B profile)
What size gasket fits a 6 inch tri-clamp? · Standard part · basis: Gasket bead diameter per Rubber Fab (6 in Ø156.5, 8 in Ø207.0); ISO 2852 Type B section (web 1.7, U 5.5, lip 2.8)
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 2 in table
Notes
- Type B gaskets for 6 and 8 in clamp joints; the bulges sit in the face grooves on Ø156.5 (6 in) and Ø207.0 (8 in).
- Every clamp face is the ISO 2852 profile used across this site: 2.85 mm rim, flat face with the gasket groove (K 1.6 deep, R3 1.2 bottom, 23° walls, P2 0.8 edges) on C2, 20° back cone. Flange C3 / groove C2 / tube OD × wall, mm: ½–¾ in 25.0 / 20.4 (derived) / 12.7–19.05 × 1.65; 1–1½ in 50.5 / 43.5 / 25.4–38.1 × 1.65; 2 in 64.0 / 56.5 / 50.8 × 1.65; 2½ in 77.5 / 70.5 / 63.5 × 1.65; 3 in 91.0 / 83.5 / 76.2 × 1.65; 4 in 119.0 / 110.0 / 101.6 × 2.11; 6 in 166.9 (6.570 in) / 156.5 / 152.4 × 2.77; 8 in 217.7 (8.570 in) / 207.0 / 203.2 × 2.77; 10 in 268.5 / 261.0 / 254.0 × 3.40; 12 in 319.3 / 311.8 / 304.8 × 3.40.
Sizes
| size_in | gasket_od_mm | bead_dia_mm | lip_id_mm |
|---|---|---|---|
| 6 | 165.9 | 156.5 | 144.66 |
| 8 | 216.7 | 207.0 | 195.46 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Rubber Fab | Tri-clamp dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676) | publisher's chart; dimensions cited, nothing copied | |
| GW Kent | Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness | web | publisher's guide; dimensions cited |
| Rubber Fab | Tri-Clamp gasket dimensional chart: gasket ID, OD and bead diameter per size (2 in bead 2.22 in / 56.50 mm, 1.5 in 1.71 / 43.50, 3 in 3.29 / 83.50) | maker chart; dimensions are facts verify |
Free files
★ Free files 2 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| gasket-6in | 6 in Type B gasket (ISO 2852 profile): OD 165.9, web 1.7, bulges on Ø156.5 (5.5 overall), lip ID 144.66 × 2.8 long | STEP · STL |
| gasket-8in | 8 in Type B gasket (ISO 2852 profile): OD 216.7, web 1.7, bulges on Ø207 (5.5 overall), lip ID 195.46 × 2.8 long | STEP · STL |
Plain text: sheet.txt · JSON: /api/geometry?object=sanitary-clamp-gaskets-6-8in
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Questions
What bead diameter does a 6 in tri-clamp gasket have?
156.5 mm (6.16 in); 8 in is 207.0 mm (8.15 in).