{
 "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-ferrules-6-8in",
 "name": "Sanitary clamp weld ferrules, 6 and 8 in (tri-clamp style)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "What are the dimensions of a 6 inch tri-clamp ferrule?",
 "tags": [
  "ferrule",
  "6 inch",
  "8 inch",
  "weld ferrule",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "brewing",
  "homebrew"
 ],
 "aliases": [
  "6 inch tri clamp ferrule",
  "8 inch tri clamp ferrule",
  "6 tri clamp flange diameter",
  "6.57 tri clamp",
  "tri clamp ferrule stl 6 inch"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 4,
 "url": "https://xemstudio.com/objects/sanitary-clamp-ferrules-6-8in/",
 "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-ferrules-6-8in/sheet.txt",
 "sheet": {
  "basis": "Tube OD, wall and flange OD per GW Kent and Rubber Fab (6 in 6.570 in flange, 8 in 8.570 in); gasket groove on the Rubber Fab bead diameter; ISO 2852 face profile",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "6 and 8 in weld ferrules drawn 0.5 in and 1.5 in long (makers list several lengths; 1.5 in matches the L14AM7 length on 10 and 12 in).",
   "The 6 in ferrule is the top of a 6 in brew vessel or a 6 in spool: one 6 in clamp and gasket closes it with a cap or a dome lid.",
   "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": [
    "size_in",
    "tube_od_mm",
    "wall_mm",
    "bore_mm",
    "flange_od_mm",
    "groove_mm",
    "short_mm",
    "long_mm"
   ],
   "rows": [
    [
     "6",
     152.4,
     2.77,
     146.86,
     166.88,
     156.5,
     12.7,
     38.1
    ],
    [
     "8",
     203.2,
     2.77,
     197.66,
     217.68,
     207,
     12.7,
     38.1
    ]
   ]
  }
 },
 "sheet_text": "Sanitary clamp weld ferrules, 6 and 8 in (tri-clamp style) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-ferrules-6-8in/  (CC BY 4.0)\nBasis: Tube OD, wall and flange OD per GW Kent and Rubber Fab (6 in 6.570 in flange, 8 in 8.570 in); gasket groove on the Rubber Fab bead diameter; ISO 2852 face profile\nCatalog version: 2026-10-20\n\nSizes: see table below\n- 6 and 8 in weld ferrules drawn 0.5 in and 1.5 in long (makers list several lengths; 1.5 in matches the L14AM7 length on 10 and 12 in).\n- The 6 in ferrule is the top of a 6 in brew vessel or a 6 in spool: one 6 in clamp and gasket closes it with a cap or a dome lid.\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\nsize_in  tube_od_mm  wall_mm  bore_mm  flange_od_mm  groove_mm  short_mm  long_mm\n6  152.4  2.77  146.86  166.88  156.5  12.7  38.1\n8  203.2  2.77  197.66  217.68  207.0  12.7  38.1\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- 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 — https://www.gwkent.com/triclamp-guide\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- 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, 4 parts): https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-ferrules-6-8in\n",
 "sources": [
  {
   "publisher": "GW Kent",
   "title": "Tri-clamp fittings guide: tube OD, flange OD and ID per size to 12 in; solid cap thickness",
   "url": "https://www.gwkent.com/triclamp-guide",
   "formats": [
    "web"
   ],
   "license": "publisher's guide; dimensions cited",
   "license_verified": true,
   "hosted": false
  },
  {
   "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": "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-end-caps-6-8in",
  "sanitary-clamp-gaskets-6-8in",
  "sanitary-clamp-clamps-6-8in",
  "tri-clamp-dished-bottom-vessels",
  "tri-clamp-dome-lids"
 ],
 "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": "What is the flange diameter of a 6 in tri-clamp?",
   "a": "6.570 in (166.9 mm); the tube is 6.000 in OD with a 0.109 in wall."
  },
  {
   "q": "And 8 in?",
   "a": "8.570 in (217.7 mm) flange on an 8.000 in tube, 0.109 in wall."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "ferrule-6in-12.7mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-6in-12.7mm.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-6in-12.7mm.stl",
   "note": "6 in weld ferrule, 0.5 in long: tube Ø152.4 × 2.77 (bore Ø146.86), flange Ø166.9"
  },
  {
   "file": "ferrule-6in-38.1mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-6in-38.1mm.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-6in-38.1mm.stl",
   "note": "6 in weld ferrule, 1.5 in long: tube Ø152.4 × 2.77 (bore Ø146.86), flange Ø166.9"
  },
  {
   "file": "ferrule-8in-12.7mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-8in-12.7mm.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-8in-12.7mm.stl",
   "note": "8 in weld ferrule, 0.5 in long: tube Ø203.2 × 2.77 (bore Ø197.66), flange Ø217.7"
  },
  {
   "file": "ferrule-8in-38.1mm",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-8in-38.1mm.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-ferrules-6-8in/ferrule-8in-38.1mm.stl",
   "note": "8 in weld ferrule, 1.5 in long: tube Ø203.2 × 2.77 (bore Ø197.66), flange Ø217.7"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sanitary-clamp-ferrules-6-8in/index.md"
}