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Sanitary clamp reducers, concentric and eccentric: 6 × 3, 6 × 4, 8 × 4 and 8 × 6 in (tri-clamp style)
How long is a 6 × 4 inch tri-clamp reducer? · Hardware · basis: Manufacturers' published clamp-fitting tables; ISO 2852 clamp face
Also called: 6x4 tri clamp reducer, 8x6 tri clamp reducer, 6x3 tri clamp reducer, reducción tri clamp 6 x 4
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 4 in table
Notes
- Face-to-face per Dixon 31-14MP / 32-14MP (S&O and VNE list 6 × 3 and 6 × 4 within 0.13 in). No maker lists 10 × 8 or 12 × 10 with clamp ends.
- Files: true-size STEP + STL of each fitting (no printing allowance).
- 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.
Sanitary clamp reducers, concentric and eccentric: 6 × 3, 6 × 4, 8 ×… size chart
| reducer | face to face (in) |
|---|---|
| 6 × 3 in | 6.88 |
| 6 × 4 in | 7.0 |
| 8 × 4 in | 7.5 |
| 8 × 6 in | 7.75 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Dixon Sanitary | B31-14MP / B32-14MP clamp reducers (2023 catalog p. 692–693) | Publisher's catalog; dimensions are facts | |
| Steel & O'Brien | Sanitary 2025 catalog (7MP tee and 9MP cross, p. 14–15) | Publisher's catalog; dimensions are facts | |
| 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 dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676) | publisher's chart; dimensions cited, nothing copied | |
| 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 8 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| reducer-concentric-6x3in | 6 × 3 in concentric clamp reducer, 6.88 in face to face | STEP · STL |
| reducer-eccentric-6x3in | 6 × 3 in eccentric clamp reducer, 6.88 in face to face, flat on one side | STEP · STL |
| reducer-concentric-6x4in | 6 × 4 in concentric clamp reducer, 7.0 in face to face | STEP · STL |
| reducer-eccentric-6x4in | 6 × 4 in eccentric clamp reducer, 7.0 in face to face, flat on one side | STEP · STL |
| reducer-concentric-8x4in | 8 × 4 in concentric clamp reducer, 7.5 in face to face | STEP · STL |
| reducer-eccentric-8x4in | 8 × 4 in eccentric clamp reducer, 7.5 in face to face, flat on one side | STEP · STL |
| reducer-concentric-8x6in | 8 × 6 in concentric clamp reducer, 7.75 in face to face | STEP · STL |
| reducer-eccentric-8x6in | 8 × 6 in eccentric clamp reducer, 7.75 in face to face, flat on one side | STEP · STL |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=sanitary-clamp-reducers-6-8in

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Questions
How long is a 6 × 4 inch tri-clamp reducer?
See the table: A is centre to face, B face to face.