{
 "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-manifolds",
 "name": "Sanitary clamp header manifolds: 1½, 2 and 3 in headers with 3 to 5 outlets (tri-clamp style)",
 "kind": "standard",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "How do I lay out a tri-clamp manifold?",
 "tags": [
  "manifold",
  "header",
  "distribution",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "stainless fitting",
  "brewing",
  "ferrule"
 ],
 "aliases": [
  "tri clamp manifold",
  "sanitary manifold 3d model",
  "brewery manifold tri clamp",
  "multi port tri clamp header"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 7,
 "url": "https://xemstudio.com/objects/sanitary-clamp-manifolds/",
 "sheet_txt": "https://xemstudio.com/objects/sanitary-clamp-manifolds/sheet.txt",
 "sheet": {
  "basis": "ASME BPE / 3-A clamp-fitting dimensions published identically by two manufacturers; ISO 2852 face profile; drawn by Xem Studio from those numbers",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Header manifolds: a straight header of one size with outlets of the next size down on one side, all clamp faces. This is a Xem Studio layout (manifolds are not a standard part): ends and outlets use the header size's tee centre to face, outlets sit on an even pitch, so they line up with standard tees, valves and spools of the same sizes.",
   "Close unused outlets with an end cap; join headers end to end with a clamp.",
   "Faces: ISO 2852 profile (2.85 mm rim, 1.6 mm gasket recess, 20° back cone) on the BPE flange diameters ½–¾ in 25.0, 1–1½ in 50.5, 2 in 64.0, 2½ in 77.5, 3 in 91.0, 4 in 119.0 mm; tube OD 12.7 / 19.05 / 25.4 / 38.1 / 50.8 / 63.5 / 76.2 / 101.6 mm, wall 1.65 mm (4 in: 2.11). The gasket-groove diameter on ½, ¾ and 4 in is derived (flange − 7.0 / 7.5 mm, the land width of every size ISO 2852 lists); the rest is from the standard."
  ],
  "table": {
   "columns": [
    "layout",
    "header_face_to_face_mm",
    "pitch_mm",
    "outlet_c_to_f_mm"
   ],
   "rows": [
    [
     "1½ × 3 × 1",
     292.1,
     76.2,
     69.8
    ],
    [
     "1½ × 4 × 1",
     368.3,
     76.2,
     69.8
    ],
    [
     "2 × 3 × 1½",
     381,
     101.6,
     88.9
    ],
    [
     "2 × 4 × 1½",
     482.6,
     101.6,
     88.9
    ],
    [
     "2 × 5 × 1½",
     584.2,
     101.6,
     88.9
    ],
    [
     "3 × 3 × 2",
     444.5,
     127,
     95.2
    ],
    [
     "3 × 4 × 2",
     571.5,
     127,
     95.2
    ]
   ]
  }
 },
 "sheet_text": "Sanitary clamp header manifolds: 1½, 2 and 3 in headers with 3 to 5 outlets (tri-clamp style) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/sanitary-clamp-manifolds/  (CC BY 4.0)\nBasis: ASME BPE / 3-A clamp-fitting dimensions published identically by two manufacturers; ISO 2852 face profile; drawn by Xem Studio from those numbers\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Header manifolds: a straight header of one size with outlets of the next size down on one side, all clamp faces. This is a Xem Studio layout (manifolds are not a standard part): ends and outlets use the header size's tee centre to face, outlets sit on an even pitch, so they line up with standard tees, valves and spools of the same sizes.\n- Close unused outlets with an end cap; join headers end to end with a clamp.\n- Faces: ISO 2852 profile (2.85 mm rim, 1.6 mm gasket recess, 20° back cone) on the BPE flange diameters ½–¾ in 25.0, 1–1½ in 50.5, 2 in 64.0, 2½ in 77.5, 3 in 91.0, 4 in 119.0 mm; tube OD 12.7 / 19.05 / 25.4 / 38.1 / 50.8 / 63.5 / 76.2 / 101.6 mm, wall 1.65 mm (4 in: 2.11). The gasket-groove diameter on ½, ¾ and 4 in is derived (flange − 7.0 / 7.5 mm, the land width of every size ISO 2852 lists); the rest is from the standard.\n\nlayout  header_face_to_face_mm  pitch_mm  outlet_c_to_f_mm\n1½ × 3 × 1  292.1  76.2  69.8\n1½ × 4 × 1  368.3  76.2  69.8\n2 × 3 × 1½  381.0  101.6  88.9\n2 × 4 × 1½  482.6  101.6  88.9\n2 × 5 × 1½  584.2  101.6  88.9\n3 × 3 × 2  444.5  127.0  95.2\n3 × 4 × 2  571.5  127.0  95.2\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\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- 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- Dixon Sanitary: Clamp elbows, ferrules: dimension sheet — PDF — publisher's catalogue; dimensions cited, nothing copied — https://dixonvalve.com/en/media/1397776\n- Steel & O'Brien: Sanitary products catalog 2024 (clamp fittings dimension tables) — PDF — publisher's catalogue; dimensions cited, nothing copied — https://www.steelobrien.com/wp-content/uploads/2024/03/Sanitary-2024-FINAL.pdf\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 7 parts): https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/index.json\nAPI: https://xemstudio.com/api/geometry?object=sanitary-clamp-manifolds\n",
 "sources": [
  {
   "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": "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": "Dixon Sanitary",
   "title": "Clamp elbows, ferrules: dimension sheet",
   "url": "https://dixonvalve.com/en/media/1397776",
   "formats": [
    "PDF"
   ],
   "license": "publisher's catalogue; dimensions cited, nothing copied",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Steel & O'Brien",
   "title": "Sanitary products catalog 2024 (clamp fittings dimension tables)",
   "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
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "sanitary-clamp-tees-crosses",
  "sanitary-clamp-caps-ferrules-spools",
  "sanitary-clamp-elbows",
  "tri-clamp-clamps"
 ],
 "fits": [
  {
   "role": "Connects to",
   "items": [
    {
     "slug": "tri-clamp-clamps",
     "why": "a clamp per face"
    },
    {
     "slug": "sanitary-clamp-caps-ferrules-spools",
     "why": "caps for unused outlets"
    }
   ]
  },
  {
   "role": "Alternatives",
   "items": [
    {
     "slug": "sanitary-clamp-tees-crosses",
     "why": "single branches"
    }
   ]
  }
 ],
 "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": "clamp faces",
   "exact": "ISO 2852 / BPE flange",
   "mates": "clamp + Type B gasket, header and outlet sizes",
   "fit": "clamp",
   "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": "How long is a 2 in × 4-outlet sanitary manifold?",
   "a": "With 1½ in outlets on a 4 in pitch: 19.0 in (482.6 mm) face to face, outlets 3.5 in from the header centreline to the face."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "manifold-1.5in-3x1in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-1.5in-3x1in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-1.5in-3x1in.stl",
   "note": "1½ in header, 3 × 1 in outlets at 3.0 in pitch: 11.50 in face to face, outlets 2.750 in centre to face"
  },
  {
   "file": "manifold-1.5in-4x1in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-1.5in-4x1in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-1.5in-4x1in.stl",
   "note": "1½ in header, 4 × 1 in outlets at 3.0 in pitch: 14.50 in face to face, outlets 2.750 in centre to face"
  },
  {
   "file": "manifold-2in-3x1.5in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-3x1.5in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-3x1.5in.stl",
   "note": "2 in header, 3 × 1½ in outlets at 4.0 in pitch: 15.00 in face to face, outlets 3.500 in centre to face"
  },
  {
   "file": "manifold-2in-4x1.5in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-4x1.5in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-4x1.5in.stl",
   "note": "2 in header, 4 × 1½ in outlets at 4.0 in pitch: 19.00 in face to face, outlets 3.500 in centre to face"
  },
  {
   "file": "manifold-2in-5x1.5in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-5x1.5in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-2in-5x1.5in.stl",
   "note": "2 in header, 5 × 1½ in outlets at 4.0 in pitch: 23.00 in face to face, outlets 3.500 in centre to face"
  },
  {
   "file": "manifold-3in-3x2in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-3in-3x2in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-3in-3x2in.stl",
   "note": "3 in header, 3 × 2 in outlets at 5.0 in pitch: 17.50 in face to face, outlets 3.750 in centre to face"
  },
  {
   "file": "manifold-3in-4x2in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-3in-4x2in.step",
   "stl": "https://xemstudio.com/files/hardware/sanitary-clamp-manifolds/manifold-3in-4x2in.stl",
   "note": "3 in header, 4 × 2 in outlets at 5.0 in pitch: 22.50 in face to face, outlets 3.750 in centre to face"
  }
 ],
 "markdown": "https://xemstudio.com/objects/sanitary-clamp-manifolds/index.md"
}