{
 "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-spools-6-8in",
 "name": "Sanitary clamp spools, 6 and 8 in: 3, 6, 12 and 18 in long (tri-clamp style)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "How long are 6 inch tri-clamp spools?",
 "tags": [
  "spool",
  "straight",
  "tube",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "brewing",
  "homebrew"
 ],
 "aliases": [
  "6 inch tri clamp spool",
  "8 inch tri clamp spool",
  "6 x 18 tri clamp spool",
  "tri clamp spool stl"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 8,
 "url": "https://xemstudio.com/objects/sanitary-clamp-spools-6-8in/",
 "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-spools-6-8in/sheet.txt",
 "sheet": {
  "basis": "Two ISO 2852 faces on 6.000 or 8.000 in × 0.109 in tube; flange per GW Kent / Rubber Fab",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Straight spools with a clamp face each end, 3, 6, 12 and 18 in face to face.",
   "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",
    "flange_od_mm",
    "lengths_in"
   ],
   "rows": [
    [
     "6",
     152.4,
     166.9,
     "3, 6, 12, 18"
    ],
    [
     "8",
     203.2,
     217.7,
     "3, 6, 12, 18"
    ]
   ]
  }
 },
 "sheet_text": "Sanitary clamp spools, 6 and 8 in: 3, 6, 12 and 18 in long (tri-clamp style) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-spools-6-8in/  (CC BY 4.0)\nBasis: Two ISO 2852 faces on 6.000 or 8.000 in × 0.109 in tube; flange per GW Kent / Rubber Fab\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Straight spools with a clamp face each end, 3, 6, 12 and 18 in face to face.\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  flange_od_mm  lengths_in\n6  152.4  166.9  3, 6, 12, 18\n8  203.2  217.7  3, 6, 12, 18\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, 8 parts): https://xemstudio.com/files/hardware/sanitary-clamp-spools-6-8in/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-spools-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
  }
 ],
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  "tolerance_mm": null
 },
 "related": [
  "sanitary-clamp-ferrules-6-8in",
  "sanitary-clamp-clamps-6-8in",
  "tri-clamp-dished-bottom-vessels"
 ],
 "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 lengths are drawn?",
   "a": "3, 6, 12 and 18 in face to face, 6 and 8 in."
  }
 ],
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}