# Sanitary clamp elbows, 90° and 45°: 6, 8, 10 and 12 in (tri-clamp style)

> What are the dimensions of a 6, 8, 10 or 12 inch tri-clamp elbow?

- Category: Hardware › Sanitary clamp fittings
- Kind: Hardware
- Basis: Manufacturers' published clamp-fitting tables; ISO 2852 clamp face
- Page: https://xemstudio.com/objects/sanitary-clamp-elbows-6-12in/ · JSON: https://xemstudio.com/api/geometry?object=sanitary-clamp-elbows-6-12in · Plain text: https://xemstudio.com/objects/sanitary-clamp-elbows-6-12in/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Centre to face (A) per Dixon B2CMP / B2KMP; Steel & O'Brien and VNE list the same radius and A within 0.13 in.
- 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.

## Sizes

| size_in | elbow_90_A_in | elbow_45_A_in | centreline_R_in |
|---|---|---|---|
| 6 | 9.88 | 4.63 | 9.0 |
| 8 | 12.88 | 5.85 | 12.0 |
| 10 | 15.88 | 7.13 | 15.0 |
| 12 | 18.88 | 8.38 | 18.0 |

## Where the files are

- Dixon Sanitary: [B2CMP / B2KMP clamp elbows (catalog page)](https://m.dixonvalve.com/en/media/1446422) — PDF — Publisher's catalog; dimensions are facts
- VNE: [EG2C / EG2K clamp elbows, EG7 tee](https://www.vnecorp.com/eg2c-clamp-90-degree-elbow) — web — Publisher's page; dimensions are facts
- GW Kent: [Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness](https://www.gwkent.com/triclamp-guide) — 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)](https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf) — PDF — 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)](https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf) — PDF — maker chart; dimensions are facts (verify at link)

## Free STEP/STL (8 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/index.json

- elbow-90-6in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-6in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-6in.stl) — 6 in 90° clamp elbow: 9.88 in centre to face, 9.0 in centreline radius
- elbow-45-6in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-6in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-6in.stl) — 6 in 45° clamp elbow: 4.63 in centre to face, 9.0 in centreline radius
- elbow-90-8in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-8in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-8in.stl) — 8 in 90° clamp elbow: 12.88 in centre to face, 12.0 in centreline radius
- elbow-45-8in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-8in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-8in.stl) — 8 in 45° clamp elbow: 5.85 in centre to face, 12.0 in centreline radius
- elbow-90-10in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-10in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-10in.stl) — 10 in 90° clamp elbow: 15.88 in centre to face, 15.0 in centreline radius
- elbow-45-10in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-10in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-10in.stl) — 10 in 45° clamp elbow: 7.13 in centre to face, 15.0 in centreline radius
- elbow-90-12in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-12in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-90-12in.stl) — 12 in 90° clamp elbow: 18.88 in centre to face, 18.0 in centreline radius
- elbow-45-12in: [STEP](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-12in.step) · [STL](https://xemstudio.com/files/hardware/sanitary-clamp-elbows-6-12in/elbow-45-12in.stl) — 12 in 45° clamp elbow: 8.38 in centre to face, 18.0 in centreline radius

## Questions

**What are the dimensions of a 6, 8, 10 or 12 inch tri-clamp elbow?**

See the table: A is centre to face, B face to face.

## Fits with

- [Sanitary clamp 90° elbow, 6 in (2CMP style)](https://xemstudio.com/objects/sanitary-clamp-elbow-90-6in/)
- [Sanitary clamp weld ferrules, 6 and 8 in (tri-clamp style)](https://xemstudio.com/objects/sanitary-clamp-ferrules-6-8in/)
- [Two-bolt clamps for 6 and 8 in tri-clamp joints](https://xemstudio.com/objects/sanitary-clamp-clamps-6-8in/)
- [Sanitary clamp gaskets, 6 and 8 in (Type B profile)](https://xemstudio.com/objects/sanitary-clamp-gaskets-6-8in/)