{
 "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": "tri-clamp-end-cap",
 "name": "Tri-clamp end cap and gasket, 1.5 and 2 inch",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Tri-clamp",
 "year": null,
 "question": "What are the dimensions of a 2 inch tri-clamp end cap and gasket?",
 "tags": [
  "tri-clamp",
  "sanitary",
  "cap",
  "gasket",
  "stirling"
 ],
 "aliases": [
  "tri clamp cap",
  "tc end cap",
  "blank cap",
  "sanitary gasket",
  "tri clamp gasket",
  "silicone gasket 2 inch"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 4,
 "url": "https://xemstudio.com/objects/tri-clamp-end-cap/",
 "sheet_txt": "https://xemstudio.com/objects/tri-clamp-end-cap/sheet.txt",
 "sheet": {
  "basis": "flange and face per ISO 2852:1974; gasket per ISO 2852 Type B",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "End cap: ISO 2852 face (rim 2.85, recess 1.6 inside the groove diameter, 20° back) on a 6 mm solid disc. Drill feedthrough bosses at least 6 mm in from the rim so the clamp still seats.",
   "Gasket (ISO 2852 Type B, all sizes): bead thickness U 5.5 mm sitting in both recesses, web T1 1.7 mm between the sealing lands, compressed thickness V 2.1 mm, inner lip 1.1 mm thick × 2.8 mm long into the bore. Outside diameter ≈ groove diameter (56.5 mm for 2 in).",
   "Silicone to ~230 °C; EPDM, Viton and PTFE for other service. For an engine, a PTFE-envelope or silicone gasket on the hot end."
  ],
  "table": {
   "columns": [
    "size_in",
    "flange_od_mm",
    "groove_dia_mm",
    "gasket_lip_id_mm",
    "gasket_bead_mm",
    "compressed_mm"
   ],
   "rows": [
    [
     "1.5",
     50.5,
     43.5,
     35.8,
     5.5,
     2.1
    ],
    [
     "2",
     64,
     56.5,
     48.8,
     5.5,
     2.1
    ]
   ]
  }
 },
 "sheet_text": "Tri-clamp end cap and gasket, 1.5 and 2 inch — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tri-clamp-end-cap/  (CC BY 4.0)\nBasis: flange and face per ISO 2852:1974; gasket per ISO 2852 Type B\nCatalog version: 2026-10-20\n\nSizes: see table below\n- End cap: ISO 2852 face (rim 2.85, recess 1.6 inside the groove diameter, 20° back) on a 6 mm solid disc. Drill feedthrough bosses at least 6 mm in from the rim so the clamp still seats.\n- Gasket (ISO 2852 Type B, all sizes): bead thickness U 5.5 mm sitting in both recesses, web T1 1.7 mm between the sealing lands, compressed thickness V 2.1 mm, inner lip 1.1 mm thick × 2.8 mm long into the bore. Outside diameter ≈ groove diameter (56.5 mm for 2 in).\n- Silicone to ~230 °C; EPDM, Viton and PTFE for other service. For an engine, a PTFE-envelope or silicone gasket on the hot end.\n\nsize_in  flange_od_mm  groove_dia_mm  gasket_lip_id_mm  gasket_bead_mm  compressed_mm\n1.5  50.5  43.5  35.8  5.5  2.1\n2  64.0  56.5  48.8  5.5  2.1\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ISO (via iTeh sample): ISO 2852:1974 clamp liners with gaskets (face and gasket profile, §6.1 and §8) — PDF — standard excerpt; dimensions are facts — https://cdn.standards.iteh.ai/samples/7850/eb49c396488d408c8ced3e2961d76cf3/ISO-2852-1974.pdf\n- McMaster-Carr: Sanitary caps and gaskets (free STEP per part, for your own design use; no redistribution) — STEP, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/sanitary-fittings/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 4 parts): https://xemstudio.com/files/hardware/tri-clamp-end-cap/index.json\nAPI: https://xemstudio.com/api/geometry?object=tri-clamp-end-cap\n",
 "sources": [
  {
   "publisher": "ISO (via iTeh sample)",
   "title": "ISO 2852:1974 clamp liners with gaskets (face and gasket profile, §6.1 and §8)",
   "url": "https://cdn.standards.iteh.ai/samples/7850/eb49c396488d408c8ced3e2961d76cf3/ISO-2852-1974.pdf",
   "formats": [
    "PDF"
   ],
   "license": "standard excerpt; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Sanitary caps and gaskets (free STEP per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/sanitary-fittings/",
   "formats": [
    "STEP",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "tri-clamp-ferrule",
  "tri-clamp-spool",
  "o-rings-metric",
  "heat-set-inserts"
 ],
 "faq": [
  {
   "q": "What are 1.5 inch and 2 inch tri clamp gasket dimensions?",
   "a": "1.5 in: 50.5 mm OD, 35.8 mm lip ID. 2 in: 64.0 mm OD, 48.8 mm lip ID. Both: bead 5.5 mm thick, web 1.7 mm, compressed 2.1 mm (ISO 2852 Type B)."
  },
  {
   "q": "Which gasket material for a hot tri clamp end?",
   "a": "Silicone to about 230 °C, EPDM and Viton for chemicals, PTFE or PTFE-envelope for the hottest service."
  },
  {
   "q": "Where can I put a feedthrough in a tri clamp end cap?",
   "a": "Drill or model bosses at least 6 mm in from the rim so the gasket land stays flat; the free STEP cap here is a 6 mm disc with the ISO 2852 face."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "tc-cap-1.5in-flat",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-cap-1.5in-flat.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-cap-1.5in-flat.stl",
   "note": "1.5 in flat end cap, 6 mm, ISO 2852 face"
  },
  {
   "file": "tc-gasket-1.5in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-gasket-1.5in.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-gasket-1.5in.stl",
   "note": "1.5 in gasket, ISO 2852 Type B profile (5.5 bead, 1.7 web, 2.8 lip)"
  },
  {
   "file": "tc-cap-2in-flat",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-cap-2in-flat.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-cap-2in-flat.stl",
   "note": "2 in flat end cap, 6 mm, ISO 2852 face"
  },
  {
   "file": "tc-gasket-2in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-gasket-2in.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-end-cap/tc-gasket-2in.stl",
   "note": "2 in gasket, ISO 2852 Type B profile (5.5 bead, 1.7 web, 2.8 lip)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/tri-clamp-end-cap/index.md"
}