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EN 1092-1 · P250GH / S235JR · stock and made to order

DN100 PN25 Weld Neck (type 11) Flange — EN 1092-1

DN100 PN25 weld neck flange to EN 1092-1, machined from P250GH / S235JR. Outside diameter 235 mm, thickness 24 mm, 8 bolt holes on a 190 mm circle, approximate weight 6.5 kg. Available with raised face, flat face or the facing specified on your drawing.

Technical drawing of a DN100 PN25 weld neck flange, EN 1092-1
Dimensioned drawing supplied with the quotation and the inspection report.

Size

DN100

Standard

EN 1092-1 (EN 1092-1:2018)

Pressure rating

PN25

Outside diameter

235 mm

Thickness

24 mm

Bolt circle

190 mm

Approx. weight

6.5 kg

Full dimensions — DN100 PN25

Size DN OD Thickness RF Ø Bolt circle Bolts Hub Ø Length Weight
DN10 10 90 mm 16 mm 40 mm 60 mm 4 × Ø14 mm 28 mm 35 mm 0.7 kg Details →
DN15 15 95 mm 16 mm 45 mm 65 mm 4 × Ø14 mm 32 mm 38 mm 0.8 kg Details →
DN20 20 105 mm 18 mm 58 mm 75 mm 4 × Ø14 mm 40 mm 40 mm 1.1 kg Details →
DN25 25 115 mm 18 mm 68 mm 85 mm 4 × Ø14 mm 46 mm 40 mm 1.3 kg Details →
DN32 32 140 mm 18 mm 78 mm 100 mm 4 × Ø18 mm 56 mm 42 mm 1.9 kg Details →
DN40 40 150 mm 18 mm 88 mm 110 mm 4 × Ø18 mm 64 mm 45 mm 2.1 kg Details →
DN50 50 165 mm 20 mm 102 mm 125 mm 4 × Ø18 mm 75 mm 48 mm 2.9 kg Details →
DN65 65 185 mm 22 mm 122 mm 145 mm 8 × Ø18 mm 90 mm 52 mm 3.7 kg Details →
DN80 80 200 mm 24 mm 138 mm 160 mm 8 × Ø18 mm 105 mm 58 mm 4.8 kg Details →
DN100 (this size) 100 235 mm 24 mm 162 mm 190 mm 8 × Ø22 mm 134 mm 65 mm 6.5 kg Details →
DN125 125 270 mm 26 mm 188 mm 220 mm 8 × Ø26 mm 162 mm 68 mm 8.9 kg Details →
DN150 150 300 mm 28 mm 218 mm 250 mm 8 × Ø26 mm 192 mm 75 mm 11.7 kg Details →
DN200 200 360 mm 30 mm 278 mm 310 mm 12 × Ø26 mm 244 mm 80 mm 17.1 kg Details →
DN250 250 425 mm 32 mm 335 mm 370 mm 12 × Ø30 mm 298 mm 88 mm 24.3 kg Details →
DN300 300 485 mm 34 mm 395 mm 430 mm 16 × Ø30 mm 352 mm 92 mm 31.8 kg Details →
DN350 350 555 mm 38 mm 450 mm 490 mm 16 × Ø33 mm 398 mm 100 mm 48.8 kg Details →
DN400 400 620 mm 40 mm 505 mm 550 mm 16 × Ø36 mm 452 mm 110 mm 63.3 kg Details →
DN450 450 670 mm 46 mm 555 mm 600 mm 20 × Ø36 mm 500 mm 110 mm 76 kg Details →
DN500 500 730 mm 48 mm 615 mm 660 mm 20 × Ø36 mm 558 mm 125 mm 97 kg Details →
DN600 600 845 mm 48 mm 720 mm 770 mm 20 × Ø39 mm 660 mm 125 mm 121 kg Details →

Published EN 1092-1 dimensions for every PN25 size in this product family.

Dimensions in millimetres. Bolt hole diameter applies to through-holes. For stud length, gasket and bolting selection, match the gasket and bolts to EN 1092-1.

What PN25 means in service

PN25 is a nominal pressure of 25 bar (2.5 MPa) at ambient temperature for EN material group 1, derating with temperature per EN 1092-1.

EN 1092-1 uses PN (nominal pressure) ratings in bar: PN6, PN10, PN16, PN25 and PN40. PN16 means 16 bar nominal at ambient temperature for EN material group 1, derating with temperature per the EN 1092-1 tables. EN PN ratings are not equivalent to ASME classes in dimensions, even where the pressure looks similar.

Facing and materials

Raised face (RF) with a 2 mm face height is standard; flat face (FF) and groove (tongue) facings are available.

  • P250GH
  • P265GH
  • S235JR
  • S355J2
  • 1.4301 / 1.4404
  • 1.4571

Other grades, impact-tested heats and NACE MR0175 requirements are quoted on request. Material certificates to EN 10204 3.1 are issued against the same heat number as the dimensional report.

Inspection and delivery

  • Dimensional inspection against the EN 1092-1 table for DN100 PN25
  • Heat number stamped on the rim; EN 10204 3.1 certificate issued
  • PMI on stainless and alloy heats; UT/RT on request
  • Anti-rust oil, plywood case or pallet, with packing list and MTC
  • Typical lead time 7–15 days for carbon steel stock sizes, 20–30 days for alloys

Other sizes in PN25

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DN100 PN25 Weld Neck (type 11) Flange

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