Library › Hardware › Sanitary clamp fittings ·
Tri-clamp carbonation stone caps: 1½ in, 4 to 16 in down tube
How do I mount a carbonation stone on a tri-clamp? · Hardware · basis: Xem Studio design: the standard 1½ in solid cap, a ¼ in hose barb outside, a Ø6.35 down tube and a socket for a ½ in (Ø12.7) diffusion stone
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 4 in table
Notes
- Gas in through the barb, out through the stone at the bottom: carbonating or oxygenating wort in the vessel.
- 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
| tube_in | tube_mm | stone |
|---|---|---|
| 4 | 101.6 | ½ in × 2 in stone |
| 6 | 152.4 | ½ in × 2 in stone |
| 12 | 304.8 | ½ in × 2 in stone |
| 16 | 406.4 | ½ in × 2 in stone |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| 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 4 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| carb-stone-cap-1.5in-4in | 1½ in cap: ¼ in barb outside, Ø6.35 tube 4 in down to a Ø12.7 × 15 socket for a ½ in diffusion stone | STEP · STL |
| carb-stone-cap-1.5in-6in | 1½ in cap: ¼ in barb outside, Ø6.35 tube 6 in down to a Ø12.7 × 15 socket for a ½ in diffusion stone | STEP · STL |
| carb-stone-cap-1.5in-12in | 1½ in cap: ¼ in barb outside, Ø6.35 tube 12 in down to a Ø12.7 × 15 socket for a ½ in diffusion stone | STEP · STL |
| carb-stone-cap-1.5in-16in | 1½ in cap: ¼ in barb outside, Ø6.35 tube 16 in down to a Ø12.7 × 15 socket for a ½ in diffusion stone | STEP · STL |
Plain text: sheet.txt · JSON: /api/geometry?object=tri-clamp-carb-stone-caps

Fits with
Questions
Which length?
Long enough to put the stone near the bottom: 16 in for a 6 × 18 in vessel.

