{
 "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-jacket-shell",
 "name": "Tri-clamp jacket shell: clamp-on sealed jacket for a 2 in tube",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Stirling & thermoacoustic",
 "year": null,
 "question": "Can I put a liquid or thermal-storage jacket on a tri-clamp tube?",
 "tags": [
  "jacket",
  "cooling",
  "thermal storage",
  "cold end",
  "tri-clamp",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "tri clamp cooling jacket",
  "water jacket stirling",
  "clamp on jacket 2 inch tube",
  "stirling cold side jacket"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/tri-clamp-jacket-shell/",
 "sheet_txt": "https://xemstudio.com/objects/tri-clamp-jacket-shell/sheet.txt",
 "sheet": {
  "basis": "ASME BPE 2 in tube OD (Ø50.8); chamber volume from the drawn geometry",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Two halves close on the tube OD in the same place as the finned cooler. Each half is a sealed half-annular chamber: inner wall 2 mm on the tube, chamber 10 mm, outer wall 2 mm, closed ends and a closed split wall, so each half holds its own fill (50.3 mL).",
   "Each half has one fill port at its top: a Ø6 port through a Ø12 × 4 boss on the outer wall, 8 mm below the top end, closed by the cap (Ø6 spigot). Fill it with the jacket standing as on the engine, port up. The fill is the builder's choice.",
   "The same four M4 × 30 screws and nuts as the cooler hold the halves on the tube."
  ],
  "table": {
   "columns": [
    "part",
    "bore_mm",
    "length_mm",
    "chamber_ml_per_half",
    "port_mm"
   ],
   "rows": [
    [
     "jacket half",
     50.8,
     56,
     50.3,
     6
    ],
    [
     "port cap",
     "",
     7,
     "",
     6
    ]
   ]
  }
 },
 "sheet_text": "Tri-clamp jacket shell: clamp-on sealed jacket for a 2 in tube — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tri-clamp-jacket-shell/  (CC BY 4.0)\nBasis: ASME BPE 2 in tube OD (Ø50.8); chamber volume from the drawn geometry\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Two halves close on the tube OD in the same place as the finned cooler. Each half is a sealed half-annular chamber: inner wall 2 mm on the tube, chamber 10 mm, outer wall 2 mm, closed ends and a closed split wall, so each half holds its own fill (50.3 mL).\n- Each half has one fill port at its top: a Ø6 port through a Ø12 × 4 boss on the outer wall, 8 mm below the top end, closed by the cap (Ø6 spigot). Fill it with the jacket standing as on the engine, port up. The fill is the builder's choice.\n- The same four M4 × 30 screws and nuts as the cooler hold the halves on the tube.\n\npart  bore_mm  length_mm  chamber_ml_per_half  port_mm\njacket half  50.8  56.0  50.3  6.0\nport cap    7.0    6.0\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ISO (via iTeh sample): ISO 2852 clamp liners: face profile and flange / groove diameters — PDF — standard excerpt; dimensions are facts — https://cdn.standards.iteh.ai/samples/7850/eb49c396488d408c8ced3e2961d76cf3/ISO-2852-1974.pdf\n- ASME: BPE Bioprocessing Equipment (clamp fitting dimensions, tube OD and wall) — standard — ASME; dimensions are facts [verify license at link] — https://www.asme.org/codes-standards/find-codes-standards/bpe-bioprocessing-equipment\n- Long Earth Society: Engine builds — web, video — LES site — https://longearthsociety.com/engineering/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/tri-clamp-jacket-shell/index.json\nAPI: https://xemstudio.com/api/geometry?object=tri-clamp-jacket-shell\n",
 "sources": [
  {
   "publisher": "ISO (via iTeh sample)",
   "title": "ISO 2852 clamp liners: face profile and flange / groove diameters",
   "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": "ASME",
   "title": "BPE Bioprocessing Equipment (clamp fitting dimensions, tube OD and wall)",
   "url": "https://www.asme.org/codes-standards/find-codes-standards/bpe-bioprocessing-equipment",
   "formats": [
    "standard"
   ],
   "license": "ASME; dimensions are facts",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "Long Earth Society",
   "title": "Engine builds",
   "url": "https://longearthsociety.com/engineering/",
   "formats": [
    "web",
    "video"
   ],
   "license": "LES site",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "tri-clamp-finned-cooler",
  "sanitary-clamp-spools",
  "list-tri-clamp-elbow-diaphragm-alpha"
 ],
 "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": [
  {
   "feature": "bore",
   "exact": "Ø50.8",
   "mates": "2 in tube OD",
   "fit": "clamp",
   "files": "jacket-half-"
  },
  {
   "feature": "ear holes",
   "exact": "Ø4.5",
   "mates": "M4 clearance (ISO 273 medium)",
   "fit": "designed",
   "files": "jacket-half-"
  },
  {
   "feature": "fill port",
   "exact": "Ø6",
   "mates": "fill-port cap spigot",
   "fit": "press",
   "files": "jacket-half-"
  },
  {
   "feature": "cap spigot",
   "exact": "Ø6 × 4",
   "mates": "fill port",
   "fit": "press",
   "files": "jacket-port-cap"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. Typical FDM: hole +0.0 to +0.1 mm on diameter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. Typical FDM: +0.2 mm.",
  "run": "turns or slides in use: pin in a link, rod through a guide. Typical FDM: +0.3 mm.",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. Typical FDM: +0.3 mm.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "How much does the jacket hold?",
   "a": "50.3 mL per half, 100.7 mL in all."
  },
  {
   "q": "Can I use it with the fins?",
   "a": "Not on the same 3 in spool: both take the whole plain length. It replaces the finned cooler."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "jacket-half-2in-56",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-jacket-shell/jacket-half-2in-56.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-jacket-shell/jacket-half-2in-56.stl",
   "note": "clamp-on jacket half for the 2 in tube OD (Ø50.8 bore) × 56: inner wall 2 on the tube, closed chamber 10 wide (50.3 mL per half), outer wall 2, end walls 2, Ø6 fill port in a Ø12 × 4 boss on the outer wall 8 below the top end; ears as the finned cooler"
  },
  {
   "file": "jacket-port-cap",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-jacket-shell/jacket-port-cap.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-jacket-shell/jacket-port-cap.stl",
   "note": "fill-port cap: Ø12 × 3 with a Ø6 × 4 spigot"
  }
 ],
 "markdown": "https://xemstudio.com/objects/tri-clamp-jacket-shell/index.md"
}