FITTINGS & FLANGES
PN25 Weld neck flange — Series I
WN / PN25 / GB/T 9124.1-2019 / Series I
- Product type
- WN — Weld neck flange
- Dimensional reference
- GB/T 9124.1-2019
- Selected designation
- PN25
- Facing in reference table
- Raised face (RF)
- Tabulated sizes
- DN15–300
- Pipe / table series
- Series I pipe outside diameters
- Material grade
- TBC — specify for quotation
- Pressure–temperature rating
- TBC for the selected material and service conditions
Confirm configuration, price, quantity and lead time for each enquiry.
PN25 Weld neck flange — selected native dimension table
Units: mm
| DN | Pipe OD A — Series I | Flange OD D | Bolt circle K | Hole diameter L | Number of bolts n | Raised-face diameter d | Raised-face height f1 | Thickness C | Height H | Hub diameter N | Wall S | Straight length H1 | Radius r |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 21.3 | 95 | 65 | 14 | 4 | 45 | 2 | 16 | 38 | 32 | 2.0 | 6 | 4 |
| 20 | 26.9 | 105 | 75 | 14 | 4 | 58 | 2 | 18 | 40 | 40 | 2.3 | 6 | 4 |
| 25 | 33.7 | 115 | 85 | 14 | 4 | 68 | 2 | 18 | 40 | 46 | 2.6 | 6 | 4 |
| 32 | 42.4 | 140 | 100 | 18 | 4 | 78 | 2 | 18 | 42 | 56 | 2.6 | 6 | 6 |
| 40 | 48.3 | 150 | 110 | 18 | 4 | 88 | 3 | 18 | 45 | 64 | 2.6 | 7 | 6 |
| 50 | 60.3 | 165 | 125 | 18 | 4 | 102 | 3 | 20 | 48 | 75 | 2.9 | 8 | 6 |
| 65 | 76.1 | 185 | 145 | 18 | 8 | 122 | 3 | 22 | 52 | 90 | 2.9 | 10 | 6 |
| 80 | 88.9 | 200 | 160 | 18 | 8 | 138 | 3 | 24 | 58 | 105 | 3.2 | 12 | 8 |
| 100 | 114.3 | 235 | 190 | 22 | 8 | 162 | 3 | 24 | 65 | 134 | 3.6 | 12 | 8 |
| 125 | 139.7 | 270 | 220 | 26 | 8 | 188 | 3 | 26 | 68 | 162 | 4.0 | 12 | 8 |
| 150 | 168.3 | 300 | 250 | 26 | 8 | 218 | 3 | 28 | 75 | 192 | 4.5 | 12 | 10 |
| 200 | 219.1 | 360 | 310 | 26 | 12 | 278 | 3 | 30 | 80 | 244 | 6.3 | 16 | 10 |
| 250 | 273 | 425 | 370 | 30 | 12 | 335 | 3 | 32 | 88 | 298 | 7.1 | 18 | 12 |
| 300 | 323.9 | 485 | 430 | 30 | 16 | 395 | 4 | 34 | 92 | 352 | 8.0 | 18 | 12 |
Dimensions are the selected published GB/T 9124.1-2019 table. Confirm the project standard edition, facing, material and drawing before ordering. Linear values are presented as the metric dimensions of the cited GB/HG series; the source page does not separately print a unit statement. Confirm units with the approved drawing.
Specifications compiled from available product documents。Dimensions, performance and suitability are subject to confirmed drawings and ordering documents.
← Back to Weld Neck Flanges range