{ "version": "2026-10-20", "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.", "slug": "sanitary-clamp-din-32676-gaskets", "name": "DIN 32676 clamp gaskets (Type B profile), DN10 to DN150", "kind": "standard", "category": "Hardware", "group": "Sanitary clamp fittings", "year": null, "question": "What gasket fits a DIN 32676 DN25 clamp?", "tags": [ "din 32676", "gasket", "sanitary", "tri-clamp", "clamp fitting", "brewing", "homebrew" ], "aliases": [ "din 32676 gasket", "metric clamp gasket", "dn40 gasket" ], "overall_mm": { "length": null, "width": null, "height": null }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 12, "url": "https://xemstudio.com/objects/sanitary-clamp-din-32676-gaskets/", "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-din-32676-gaskets/sheet.txt", "sheet": { "basis": "Bead diameter per the Rubber Fab chart; ISO 2852 Type B section; bore per DIN 11850 tube", "overall_mm": { "length": null, "width": null, "height": null }, "notes": [ "The bead diameter follows the flange; the inner lip follows the tube, so a DN25 and a 1 in gasket share a flange but not a lip.", "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." ], "table": { "columns": [ "dn", "od_mm", "bead_mm", "lip_id_mm" ], "rows": [ [ "DN10", 33, 27.5, 7.8 ], [ "DN15", 33, 27.5, 13.8 ], [ "DN20", 33, 27.5, 17.8 ], [ "DN25", 49.5, 43.5, 23.8 ], [ "DN32", 49.5, 43.5, 29.8 ], [ "DN40", 49.5, 43.5, 35.8 ], [ "DN50", 63, 56.5, 47.8 ], [ "DN65", 90, 83.5, 63.8 ], [ "DN80", 105, 97, 78.8 ], [ "DN100", 118, 110, 97.8 ], [ "DN125", 154, 146, 122.8 ], [ "DN150", 182, 174, 147.8 ] ] } }, "sheet_text": "DIN 32676 clamp gaskets (Type B profile), DN10 to DN150 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-din-32676-gaskets/ (CC BY 4.0)\nBasis: Bead diameter per the Rubber Fab chart; ISO 2852 Type B section; bore per DIN 11850 tube\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The bead diameter follows the flange; the inner lip follows the tube, so a DN25 and a 1 in gasket share a flange but not a lip.\n- 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.\n\ndn od_mm bead_mm lip_id_mm\nDN10 33.0 27.5 7.8\nDN15 33.0 27.5 13.8\nDN20 33.0 27.5 17.8\nDN25 49.5 43.5 23.8\nDN32 49.5 43.5 29.8\nDN40 49.5 43.5 35.8\nDN50 63.0 56.5 47.8\nDN65 90.0 83.5 63.8\nDN80 105.0 97.0 78.8\nDN100 118.0 110.0 97.8\nDN125 154.0 146.0 122.8\nDN150 182.0 174.0 147.8\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Rubber Fab: Tri-clamp dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676) — PDF — publisher's chart; dimensions cited, nothing copied — https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf\n- DIN: DIN 32676 clamp connections, series A on DIN 11850 tube (DN10–DN150): flange and bead per the Rubber Fab chart — standard — DIN; dimensions are facts [verify license at link] — https://www.din.de/en/getting-involved/standards-committees/nal/publications/wdc-beuth:din21:353366380\n- 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) — PDF — maker chart; dimensions are facts [verify license at link] — https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 12 parts): https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-din-32676-gaskets\n", "sources": [ { "publisher": "Rubber Fab", "title": "Tri-clamp dimensions chart (ID, OD, bead per clamp size, ½ to 12 in and DIN 32676)", "url": "https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf", "formats": [ "PDF" ], "license": "publisher's chart; dimensions cited, nothing copied", "license_verified": true, "hosted": false }, { "publisher": "DIN", "title": "DIN 32676 clamp connections, series A on DIN 11850 tube (DN10–DN150): flange and bead per the Rubber Fab chart", "url": "https://www.din.de/en/getting-involved/standards-committees/nal/publications/wdc-beuth:din21:353366380", "formats": [ "standard" ], "license": "DIN; dimensions are facts", "license_verified": false, "hosted": false }, { "publisher": "Rubber Fab", "title": "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)", "url": "https://shop.andersonprocess.com/media/assets/product/documents/rubber-fab-tri-clamp-dimensions.pdf", "formats": [ "PDF" ], "license": "maker chart; dimensions are facts", "license_verified": false, "hosted": false } ], "xem": { "status": "free-files", "sheet_free": true, "mesh_price_usd": null, "step_price_usd": null, "tolerance_mm": null }, "related": [ "sanitary-clamp-din-32676-ferrules", "sanitary-clamp-din-32676-clamps" ], "fits": [], "dimensions": "exact (nominal, no printing tolerance)", "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.", "mating": [], "faq": [ { "q": "Can I use a 1½ in gasket on DN40?", "a": "It seals on the same bead; its lip is 1.5 mm smaller than the DN40 bore, so it stands slightly into the flow." } ], "files_license": null, "offers": [ { "file": "gasket-dn10", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn10.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn10.stl", "note": "DN10 gasket: OD 33, bead Ø27.5, lip ID 7.8" }, { "file": "gasket-dn15", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn15.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn15.stl", "note": "DN15 gasket: OD 33, bead Ø27.5, lip ID 13.8" }, { "file": "gasket-dn20", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn20.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn20.stl", "note": "DN20 gasket: OD 33, bead Ø27.5, lip ID 17.8" }, { "file": "gasket-dn25", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn25.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn25.stl", "note": "DN25 gasket: OD 49.5, bead Ø43.5, lip ID 23.8" }, { "file": "gasket-dn32", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn32.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn32.stl", "note": "DN32 gasket: OD 49.5, bead Ø43.5, lip ID 29.8" }, { "file": "gasket-dn40", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn40.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn40.stl", "note": "DN40 gasket: OD 49.5, bead Ø43.5, lip ID 35.8" }, { "file": "gasket-dn50", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn50.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn50.stl", "note": "DN50 gasket: OD 63, bead Ø56.5, lip ID 47.8" }, { "file": "gasket-dn65", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn65.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn65.stl", "note": "DN65 gasket: OD 90, bead Ø83.5, lip ID 63.8" }, { "file": "gasket-dn80", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn80.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn80.stl", "note": "DN80 gasket: OD 105, bead Ø97, lip ID 78.8" }, { "file": "gasket-dn100", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn100.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn100.stl", "note": "DN100 gasket: OD 118, bead Ø110, lip ID 97.8" }, { "file": "gasket-dn125", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn125.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn125.stl", "note": "DN125 gasket: OD 154, bead Ø146, lip ID 122.8" }, { "file": "gasket-dn150", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn150.step", "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-din-32676-gaskets/gasket-dn150.stl", "note": "DN150 gasket: OD 182, bead Ø174, lip ID 147.8" } ], "markdown": "https://xemstudio.com/objects/sanitary-clamp-din-32676-gaskets/index.md" }