{
 "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-hose-barb-adapters",
 "name": "Tri-clamp × hose barb adapters (14MPHR style): ½ to 4 in clamp, ¼ to 4 in hose",
 "kind": "standard",
 "category": "Hardware",
 "group": "Sanitary clamp fittings",
 "year": null,
 "question": "What tri-clamp hose barb fits ½ inch hose?",
 "tags": [
  "hose barb",
  "barb",
  "14mphr",
  "hose adapter",
  "sanitary",
  "tri-clamp",
  "clamp fitting",
  "brewing",
  "homebrew"
 ],
 "aliases": [
  "tri clamp hose barb",
  "1.5 tri clamp to 1/2 hose barb",
  "tri clamp barb adapter dimensions",
  "14mphr",
  "tri clamp hose barb stl",
  "homebrew tri clamp barb"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 18,
 "url": "https://xemstudio.com/objects/tri-clamp-hose-barb-adapters/",
 "sheet_txt": "https://xemstudio.com/objects/tri-clamp-hose-barb-adapters/sheet.txt",
 "sheet": {
  "basis": "Face-to-end A per Steel & O'Brien and Dixon 14MPHR (they agree); barb OD B = hose ID + 0.040 in (Dixon); barb ridges (three, sawtooth) are a Xem Studio profile on those two numbers",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Clamp face one end, a three-ridge hose barb the other; ridges reach the published barb OD (hose ID + 0.040 in) and ramp back to the hose ID. Overall length matches the published A where the barb fits in it; otherwise the actual length is in each file note.",
   "½–¾ in clamp means the 25 mm mini flange; 1–1½ in means the 50.5 mm flange.",
   "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": [
    "clamp",
    "hose_id_in",
    "A_in",
    "barb_od_mm",
    "bore_mm"
   ],
   "rows": [
    [
     "½–¾",
     "¼",
     1.5,
     7.37,
     3.1
    ],
    [
     "½–¾",
     "⅜",
     1.5,
     10.54,
     6.3
    ],
    [
     "½–¾",
     "½",
     1.5,
     13.72,
     9.5
    ],
    [
     "½–¾",
     "¾",
     1.5,
     20.07,
     15.8
    ],
    [
     "1–1½",
     "¼",
     1.5,
     7.37,
     3.1
    ],
    [
     "1–1½",
     "⅜",
     1.5,
     10.54,
     6.3
    ],
    [
     "1–1½",
     "½",
     1.5,
     13.72,
     9.5
    ],
    [
     "1–1½",
     "⅝",
     1.5,
     16.89,
     12.7
    ],
    [
     "1–1½",
     "¾",
     1.5,
     20.07,
     15.8
    ],
    [
     "1–1½",
     "1",
     1.687,
     26.42,
     22.2
    ],
    [
     "1–1½",
     "1½",
     1.687,
     39.12,
     34.9
    ],
    [
     "2",
     "½",
     1.812,
     13.72,
     9.5
    ],
    [
     "2",
     "¾",
     1.812,
     20.07,
     15.8
    ],
    [
     "2",
     "1½",
     2.312,
     39.12,
     34.9
    ],
    [
     "2",
     "2",
     2.312,
     51.82,
     47.6
    ],
    [
     "2½",
     "2½",
     2.344,
     64.52,
     60.3
    ],
    [
     "3",
     "3",
     3.094,
     77.22,
     73
    ],
    [
     "4",
     "4",
     3.406,
     102.62,
     98.4
    ]
   ]
  }
 },
 "sheet_text": "Tri-clamp × hose barb adapters (14MPHR style): ½ to 4 in clamp, ¼ to 4 in hose — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tri-clamp-hose-barb-adapters/  (CC BY 4.0)\nBasis: Face-to-end A per Steel & O'Brien and Dixon 14MPHR (they agree); barb OD B = hose ID + 0.040 in (Dixon); barb ridges (three, sawtooth) are a Xem Studio profile on those two numbers\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Clamp face one end, a three-ridge hose barb the other; ridges reach the published barb OD (hose ID + 0.040 in) and ramp back to the hose ID. Overall length matches the published A where the barb fits in it; otherwise the actual length is in each file note.\n- ½–¾ in clamp means the 25 mm mini flange; 1–1½ in means the 50.5 mm flange.\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\nclamp  hose_id_in  A_in  barb_od_mm  bore_mm\n½–¾  ¼  1.5  7.37  3.1\n½–¾  ⅜  1.5  10.54  6.3\n½–¾  ½  1.5  13.72  9.5\n½–¾  ¾  1.5  20.07  15.8\n1–1½  ¼  1.5  7.37  3.1\n1–1½  ⅜  1.5  10.54  6.3\n1–1½  ½  1.5  13.72  9.5\n1–1½  ⅝  1.5  16.89  12.7\n1–1½  ¾  1.5  20.07  15.8\n1–1½  1  1.687  26.42  22.2\n1–1½  1½  1.687  39.12  34.9\n2  ½  1.812  13.72  9.5\n2  ¾  1.812  20.07  15.8\n2  1½  2.312  39.12  34.9\n2  2  2.312  51.82  47.6\n2½  2½  2.344  64.52  60.3\n3  3  3.094  77.22  73.0\n4  4  3.406  102.62  98.4\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Steel & O'Brien: 14MPHR rubber hose adapter: A per clamp × barb size — web — publisher's table; dimensions cited — https://www.steelobrien.com/products/sanitary-fittings/clamp-fittings/adapters/14mphr-rubber-hose-adapter/\n- Dixon: 14MPHR brewery hose barb: A and barb OD B (hose ID + 0.040 in) per size, ½ to 6 in — PDF — publisher's catalogue; dimensions cited — https://www.cooneybrothers.com/userfiles/ad/documents/Dixon_Sanitary_14MPHRG600_Catalog.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, 18 parts): https://xemstudio.com/files/hardware/tri-clamp-hose-barb-adapters/index.json\nAPI: https://xemstudio.com/api/geometry?object=tri-clamp-hose-barb-adapters\n",
 "sources": [
  {
   "publisher": "Steel & O'Brien",
   "title": "14MPHR rubber hose adapter: A per clamp × barb size",
   "url": "https://www.steelobrien.com/products/sanitary-fittings/clamp-fittings/adapters/14mphr-rubber-hose-adapter/",
   "formats": [
    "web"
   ],
   "license": "publisher's table; dimensions cited",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Dixon",
   "title": "14MPHR brewery hose barb: A and barb OD B (hose ID + 0.040 in) per size, ½ to 6 in",
   "url": "https://www.cooneybrothers.com/userfiles/ad/documents/Dixon_Sanitary_14MPHRG600_Catalog.pdf",
   "formats": [
    "PDF"
   ],
   "license": "publisher's catalogue; dimensions cited",
   "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
  }
 ],
 "xem": {
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  "sheet_free": true,
  "mesh_price_usd": null,
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  "tolerance_mm": null
 },
 "related": [
  "tri-clamp-male-npt-adapters",
  "tri-clamp-female-npt-adapters",
  "tri-clamp-ported-end-caps"
 ],
 "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 hose barb do brewers use on 1½ in tri-clamp?",
   "a": "Usually ½ in hose: the 1½ in clamp × ½ in barb is 1.500 in (38.1 mm) from the face, barb Ø13.72."
  }
 ],
 "files_license": null,
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   "note": "½–¾ in clamp × ¼ in hose barb: 1.500 in face to end (published A 1.5 in), barb Ø7.37 (hose ID + 0.040 in)"
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   "note": "½–¾ in clamp × ⅜ in hose barb: 1.500 in face to end (published A 1.5 in), barb Ø10.54 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × ¼ in hose barb: 1.500 in face to end (published A 1.5 in), barb Ø7.37 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × ½ in hose barb: 1.545 in face to end (published A 1.5 in), barb Ø13.72 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × ⅝ in hose barb: 1.714 in face to end (published A 1.5 in), barb Ø16.89 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × ¾ in hose barb: 1.883 in face to end (published A 1.5 in), barb Ø20.07 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × 1 in hose barb: 2.051 in face to end (published A 1.687 in), barb Ø26.42 (hose ID + 0.040 in)"
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   "note": "1–1½ in clamp × 1½ in hose barb: 2.051 in face to end (published A 1.687 in), barb Ø39.12 (hose ID + 0.040 in)"
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   "note": "2 in clamp × ½ in hose barb: 1.812 in face to end (published A 1.812 in), barb Ø13.72 (hose ID + 0.040 in)"
  },
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   "note": "2 in clamp × ¾ in hose barb: 1.889 in face to end (published A 1.812 in), barb Ø20.07 (hose ID + 0.040 in)"
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   "note": "2 in clamp × 1½ in hose barb: 2.312 in face to end (published A 2.312 in), barb Ø39.12 (hose ID + 0.040 in)"
  },
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   "note": "2 in clamp × 2 in hose barb: 2.312 in face to end (published A 2.312 in), barb Ø51.82 (hose ID + 0.040 in)"
  },
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   "note": "2½ in clamp × 2½ in hose barb: 2.344 in face to end (published A 2.344 in), barb Ø64.52 (hose ID + 0.040 in)"
  },
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   "note": "3 in clamp × 3 in hose barb: 3.094 in face to end (published A 3.094 in), barb Ø77.22 (hose ID + 0.040 in)"
  },
  {
   "file": "hose-barb-4in-x-4in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-hose-barb-adapters/hose-barb-4in-x-4in.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-hose-barb-adapters/hose-barb-4in-x-4in.stl",
   "note": "4 in clamp × 4 in hose barb: 3.406 in face to end (published A 3.406 in), barb Ø102.62 (hose ID + 0.040 in)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/tri-clamp-hose-barb-adapters/index.md"
}