{
 "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-bolted-clamps-10-12in",
 "name": "Two-bolt high-pressure clamps for 10 and 12 in tri-clamp joints",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "What clamp holds a 10 inch tri-clamp joint under pressure?",
 "tags": [
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "10 inch",
  "12 inch",
  "large tri clamp",
  "clamp",
  "high pressure clamp",
  "bolted clamp"
 ],
 "aliases": [
  "10 inch high pressure tri clamp",
  "12 inch tri clamp clamp",
  "bolted tri clamp large",
  "tri clamp pressure rating 10 inch"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/sanitary-clamp-bolted-clamps-10-12in/",
 "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-bolted-clamps-10-12in/sheet.txt",
 "sheet": {
  "basis": "Groove as the site's tri-clamp clamps (the ISO 2852 rim's 20° back cone mirrored, contact after 0.4, 0.6 squeeze), on the 10 / 12 in rims; two halves, one M8 bolt at each split",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Published ratings (Steel & O'Brien, psi at 70 °F / 250 °F): 10 in 13MHP high-pressure 200 / 125, 13ASME double-bolt 161 / 145, 13MHHM wing-nut 75 / 40; 12 in 150 / 100, 102 / 92, 50 / 25. Holland and Shaw rate their hinged wing-nut clamps lower still (10 in 40 / 30 psi). A wing-nut clamp is not a pressure clamp at these sizes.",
   "This clamp is a Xem Studio design, not a copy of any of those: the end load on a 10 in joint at 6 bar gauge is 32.1 kN (pressure out to the groove diameter), the 20° groove turns it into a hoop tension of 1859 N at each split (F tan 20° / 2π), 51 MPa on an M8's stress area before the seating load. The section behind the groove is 6 mm; size the clamp's own material for that tension at the joint's temperature, or use a rated commercial high-pressure clamp of the same rim size.",
   "Each half: lug at each end with an M8 clearance hole (Ø9, ISO 273 medium) along the split and a 13 AF nut trap 6.8 deep on the lug's outer face; M8 × 40 heads on one half, nuts in the other's traps. Tighten evenly until the halves just meet."
  ],
  "table": {
   "columns": [
    "size_in",
    "clamp_od_mm",
    "width_mm",
    "bolt_spacing_mm",
    "bolts",
    "13MHP_psi_70F_250F",
    "13MHHM_psi_70F_250F"
   ],
   "rows": [
    [
     "10",
     282.5,
     19.43,
     298.5,
     "2 × M8 × 40 + nuts",
     "200 / 125",
     "75 / 40"
    ],
    [
     "12",
     333.3,
     19.43,
     349.3,
     "2 × M8 × 40 + nuts",
     "150 / 100",
     "50 / 25"
    ]
   ]
  }
 },
 "sheet_text": "Two-bolt high-pressure clamps for 10 and 12 in tri-clamp joints — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-bolted-clamps-10-12in/  (CC BY 4.0)\nBasis: Groove as the site's tri-clamp clamps (the ISO 2852 rim's 20° back cone mirrored, contact after 0.4, 0.6 squeeze), on the 10 / 12 in rims; two halves, one M8 bolt at each split\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Published ratings (Steel & O'Brien, psi at 70 °F / 250 °F): 10 in 13MHP high-pressure 200 / 125, 13ASME double-bolt 161 / 145, 13MHHM wing-nut 75 / 40; 12 in 150 / 100, 102 / 92, 50 / 25. Holland and Shaw rate their hinged wing-nut clamps lower still (10 in 40 / 30 psi). A wing-nut clamp is not a pressure clamp at these sizes.\n- This clamp is a Xem Studio design, not a copy of any of those: the end load on a 10 in joint at 6 bar gauge is 32.1 kN (pressure out to the groove diameter), the 20° groove turns it into a hoop tension of 1859 N at each split (F tan 20° / 2π), 51 MPa on an M8's stress area before the seating load. The section behind the groove is 6 mm; size the clamp's own material for that tension at the joint's temperature, or use a rated commercial high-pressure clamp of the same rim size.\n- Each half: lug at each end with an M8 clearance hole (Ø9, ISO 273 medium) along the split and a 13 AF nut trap 6.8 deep on the lug's outer face; M8 × 40 heads on one half, nuts in the other's traps. Tighten evenly until the halves just meet.\n\nsize_in  clamp_od_mm  width_mm  bolt_spacing_mm  bolts  13MHP_psi_70F_250F  13MHHM_psi_70F_250F\n10  282.5  19.43  298.5  2 × M8 × 40 + nuts  200 / 125  75 / 40\n12  333.3  19.43  349.3  2 × M8 × 40 + nuts  150 / 100  50 / 25\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Steel & O'Brien: Sanitary products catalog 2024: 16AMP end caps 10 / 12 in (A 0.480, B 10.570 / 12.570 in); L14AM7 ferrules 1.500 in; clamp ratings 13MHHM, 13MHP, 13ASME — PDF — publisher's catalogue; dimensions cited, nothing copied — https://www.steelobrien.com/wp-content/uploads/2024/03/Sanitary-2024-FINAL.pdf\n- Holland Applied Technologies: Sanitary tri-clamp fittings: EG14AM7 ferrules 8 / 10 / 12 in (1.500, bore 9.732 / 11.732 in, tube 10.000 / 12.000 in); EG16A caps (10.570 / 12.570 in) — PDF — publisher's catalogue; dimensions cited, nothing copied — https://hollandapt.com/wp-content/uploads/2022/12/Sanitary-Tri-Clamp-Fittings.pdf\n- Shaw Stainless & Alloy: Sanitary clamp data sheet: EG14AM7 ferrules (bore 9.732 / 11.732 in), EG16A caps 10.570 / 12.570 in, 13MHHM ratings — PDF — publisher's data sheet; dimensions cited, nothing copied — https://stainlessandalloy.com/pdf/data-sheets/sanitary-clamp-data-sheet.pdf\n- ISO (via iTeh sample): ISO 2852 clamp liners: face profile (2.85 rim, 1.6 recess, 20° back) and land width — PDF — standard excerpt; dimensions are facts — https://cdn.standards.iteh.ai/samples/7850/eb49c396488d408c8ced3e2961d76cf3/ISO-2852-1974.pdf\n- McGraw-Hill: Young & Budynas, Roark's Formulas for Stress and Strain, 7th ed.: Table 8.1 (fixed–guided beam), Table 11.2 (circular plates under uniform pressure) — book — formulas are facts [verify license at link] — https://www.accessengineeringlibrary.com/content/book/9780071742474\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/sanitary-clamp-bolted-clamps-10-12in/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-bolted-clamps-10-12in\n",
 "sources": [
  {
   "publisher": "Steel & O'Brien",
   "title": "Sanitary products catalog 2024: 16AMP end caps 10 / 12 in (A 0.480, B 10.570 / 12.570 in); L14AM7 ferrules 1.500 in; clamp ratings 13MHHM, 13MHP, 13ASME",
   "url": "https://www.steelobrien.com/wp-content/uploads/2024/03/Sanitary-2024-FINAL.pdf",
   "formats": [
    "PDF"
   ],
   "license": "publisher's catalogue; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Holland Applied Technologies",
   "title": "Sanitary tri-clamp fittings: EG14AM7 ferrules 8 / 10 / 12 in (1.500, bore 9.732 / 11.732 in, tube 10.000 / 12.000 in); EG16A caps (10.570 / 12.570 in)",
   "url": "https://hollandapt.com/wp-content/uploads/2022/12/Sanitary-Tri-Clamp-Fittings.pdf",
   "formats": [
    "PDF"
   ],
   "license": "publisher's catalogue; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Shaw Stainless & Alloy",
   "title": "Sanitary clamp data sheet: EG14AM7 ferrules (bore 9.732 / 11.732 in), EG16A caps 10.570 / 12.570 in, 13MHHM ratings",
   "url": "https://stainlessandalloy.com/pdf/data-sheets/sanitary-clamp-data-sheet.pdf",
   "formats": [
    "PDF"
   ],
   "license": "publisher's data sheet; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "ISO (via iTeh sample)",
   "title": "ISO 2852 clamp liners: face profile (2.85 rim, 1.6 recess, 20° back) and land width",
   "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": "McGraw-Hill",
   "title": "Young & Budynas, Roark's Formulas for Stress and Strain, 7th ed.: Table 8.1 (fixed–guided beam), Table 11.2 (circular plates under uniform pressure)",
   "url": "https://www.accessengineeringlibrary.com/content/book/9780071742474",
   "formats": [
    "book"
   ],
   "license": "formulas 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-ferrules-10-12in",
  "sanitary-clamp-end-caps-10-12in",
  "sanitary-clamp-gaskets-10-12in",
  "sanitary-clamp-spools-10-12in",
  "list-htd-10in",
  "tri-clamp-clamps",
  "socket-head-cap-screws-metric",
  "hex-nuts-metric"
 ],
 "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": "groove",
   "exact": "20° walls on the rims, contact after 0.4 radial, 0.6 squeeze",
   "mates": "two 10 / 12 in ferrule or cap rims",
   "fit": "clamp",
   "files": "all"
  },
  {
   "feature": "bolt holes",
   "exact": "Ø9 (M8 clearance, ISO 273 medium)",
   "mates": "shcs-m8x40",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "nut traps",
   "exact": "13 AF × 6.8",
   "mates": "M8 nut (ISO 4032)",
   "fit": "socket",
   "files": "all"
  },
  {
   "feature": "bore",
   "exact": "tube OD + 2",
   "mates": "tube (no contact)",
   "fit": "designed",
   "files": "all"
  }
 ],
 "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": "What pressure does a 10 in tri-clamp take?",
   "a": "Depends on the clamp: published 10 in ratings run from 40–75 psi for wing-nut clamps to 200 psi (70 °F) for a high-pressure bolted clamp. Gasket, clamp and fittings all have to be rated above the relief setting."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "clamp-half-10in-m8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-bolted-clamps-10-12in/clamp-half-10in-m8.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-bolted-clamps-10-12in/clamp-half-10in-m8.stl",
   "note": "10 in two-bolt clamp half (two per joint): 20° groove, contact after 0.4, 0.6 squeeze; section 6 behind the groove; Ø282.5 × 19.43 wide; M8 × 40 through Ø9 at x ±149.24, nut in a 13 AF trap 6.8 deep"
  },
  {
   "file": "clamp-half-12in-m8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-bolted-clamps-10-12in/clamp-half-12in-m8.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-bolted-clamps-10-12in/clamp-half-12in-m8.stl",
   "note": "12 in two-bolt clamp half (two per joint): 20° groove, contact after 0.4, 0.6 squeeze; section 6 behind the groove; Ø333.3 × 19.43 wide; M8 × 40 through Ø9 at x ±174.64, nut in a 13 AF trap 6.8 deep"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sanitary-clamp-bolted-clamps-10-12in/index.md"
}