ASTM SCH40 & SCH80 UPVC Integral Flange

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An ASTM SCH40 & SCH80 integral flange molded in one piece from UPVC, with flange and pipe adapter formed together.
  • Diameter Range: 1/2" – 24"
  • Pressure Rating: SCH40 / SCH80
  • Applicable Standards: ASTM D2466, ASTM D2467, ASTM F1970
  • Stock Availability: In stock
  • Sample Policy: Free sample available
  • Lead Time: 5–30 days

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The ASTM SCH40 & SCH80 UPVC Integral Flange is a one-piece flange and adapter fitting designed for permanent connections between UPVC pipe and flanged equipment in ASTM piping systems.

ASTM SCH40 & SCH80 UPVC Integral Flange
Size Dimensions (mm)
D0 D1 d0 d1 d2 d3 da T H L Number of bolt hole
1/2" 89.00 60.30 29.54 21.54 21.23 17.00 16.00 23.22 13.00 27.72 4
3/4" 89.00 69.85 35.27 26.87 26.57 22.50 16.00 26.40 14.00 30.90 4
1" 108.00 79.38 43.66 33.66 33.27 29.00 16.00 29.57 15.00 34.10 4
1-1/4" 117.00 88.90 53.02 42.42 42.04 38.00 16.00 32.75 15.00 38.75 4
1-1/2" 127.00 98.43 59.86 48.56 48.11 43.00 16.00 35.93 17.00 41.95 4
2" 152.00 120.65 72.23 60.63 60.17 55.00 19.00 39.10 19.00 46.10 4
2-1/2" 178.00 139.70 88.00 73.38 72.85 67.50 19.00 45.45 20.00 53.00 4
3" 191.00 152.40 105.30 89.31 88.70 83.00 19.00 48.63 20.50 57.15 4
4" 229.00 190.50 132.00 114.76 114.07 106.00 19.00 58.15 21.00 66.65 8
5" 254.00 216.00 162.00 141.81 141.04 133.00 22.00 67.68 23.50 77.50 8
6" 284.00 241.30 190.85 168.83 168.00 160.00 22.00 77.20 26.50 88.20 8
8" 343.00 298.45 245.84 219.84 218.69 208.00 22.00 102.60 27.00 113.60 8

Key Features of ASTM SCH40 & SCH80 UPVC Integral Flange

  • ASTM SCH40/SCH80 compliant: meets ASTM wall thickness and pressure rating requirements.
  • One-piece molding provides seamless flange and adapter with no leak paths.
  • Solvent cement joint ensures permanent fusion with UPVC pipe.
  • Fixed flange design has non-rotating bolt holes for nodes not requiring frequent disassembly.

Manufacturing Process of ASTM SCH40 & SCH80 UPVC Integral Flange

Each is one-piece injection molded from UPVC with a flat flange face, precise socket dimensions, and bolt holes distributed per ASTM standards.

Critical Process Parameters of ASTM SCH40 & SCH80 UPVC Integral Flange

  • Flange face flatness and perpendicularity conforming to ASTM tolerances.
  • Bolt circle and hole diameter conform to ASTM standards.
  • Precise socket machining.

Raw Material Characteristics of ASTM SCH40 & SCH80 UPVC Integral Flange

  • Material Composition: UPVC, conforming to ASTM D1784; PVC-C version available for high-temperature use.
  • Material Properties: UPVC suitable up to 60°C; PVC-C suitable up to 93°C.
  • SCH40/SCH80 wall thickness options available.
  • High mechanical strength and internal pressure resistance.

Typical Applications of ASTM SCH40 & SCH80 UPVC Integral Flange

  • is used for fixed connections to flanged equipment in ASTM chemical piping.
  • serves flanged connections in industrial water treatment systems.
  • is installed in pipe connections for electroplating and semiconductor industries.

Application Scenarios of ASTM SCH40 & SCH80 UPVC Integral Flange

  • Fixed connections between ASTM industrial piping and flanged equipment — is the standard flange for these transitions.
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