EN / BS hubbed slip-on flange (SO flange) is designed with its inner diameter slightly bigger than pipe OD, so the flange could slide over the pipe for easy alignment. It is mainly used for pipe connection in low pressure, medium temperature service.
Available size for PN 16
| Size | Flange OD D(mm) | Bolting (No.x hole) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 95 | 4 x 14 | N9201 |
| 3/4″ / DN20 / 26.9mm | 105 | 4 x 14 | N9202 |
| 1″ / DN25 / 33.7mm | 115 | 4 x 14 | N9203 |
| 1-1/4″ / DN32 / 42.4mm | 140 | 4 x 18 | N9204 |
| 1-1/2″ / DN40 / 48.3mm | 150 | 4 x 18 | N9205 |
| 2″ / DN50 / 60.3mm | 165 | 4 x 18 | N9206 |
| 2-1/2″ / DN65 / 76.1mm | 185 | 8 (4) x 18* | N9207 |
| 3″ / DN80 / 88.9mm | 200 | 8 x 18 | N9208 |
| 4″ / DN100 / 114.3mm | 220 | 8 x 18 | N9209 |
| 5″ / DN125 / 139.7mm | 250 | 8 x 18 | N9210 |
| 6″ / DN150 / 165.1 / 168.3mm | 285 | 8 x 22 | N9211 |
| 8″ / DN200 / 219.1mm | 340 | 12 x 22 | N9212 |
| 10″ / DN250 / 273.0mm | 405 | 12 x 26 | N9213 |
| 12″ / DN300 / 323.9mm | 460 | 12 x 26 | N9214 |
| 14″ / DN350 / 355.6mm | 520 | 16 x 26 | N9215 |
| 16″ / DN400 / 406.4mm | 580 | 16 x 30 | N9216 |
| 18″ / DN450 / 457.0mm | 640 | 20 x 30 | N9217 |
| 20″ / DN500 / 508.0mm | 715 | 20 x 33 | N9218 |
| 24″ / DN600 / 610.0mm | 840 | 20 x 36 | N9219 |
Available size for PN 10
| Size | Flange OD D(mm) | Bolting (No.x hole) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 95 | 4 x 14 | N9221 |
| 3/4″ / DN20 / 26.9mm | 105 | 4 x 14 | N9222 |
| 1″ / DN25 / 33.7mm | 115 | 4 x 14 | N9223 |
| 1-1/4″ / DN32 / 42.4mm | 140 | 4 x 18 | N9224 |
| 1-1/2″ / DN40 / 48.3mm | 150 | 4 x 18 | N9225 |
| 2″ / DN50 / 60.3mm | 165 | 4 x 18 | N9226 |
| 2-1/2″ / DN65 / 76.1mm | 185 | 8 (4) x 18* | N9227 |
| 3″ / DN80 / 88.9mm | 200 | 8 x 18 | N9228 |
| 4″ / DN100 / 114.3mm | 220 | 8 x 18 | N9229 |
| 5″ / DN125 / 139.7mm | 250 | 8 x 18 | N9230 |
| 6″ / DN150 / 165.1 / 168.3mm | 285 | 8 x 22 | N9231 |
| 8″ / DN200 / 219.1mm | 340 | 8 x 22 | N9232 |
| 10″ / DN250 / 273.0mm | 395 | 12 x 22 | N9233 |
| 12″ / DN300 / 323.9mm | 445 | 12 x 22 | N9234 |
| 14″ / DN350 / 355.6mm | 505 | 16 x 22 | N9235 |
| 16″ / DN400 / 406.4mm | 565 | 16 x 26 | N9236 |
| 18″ / DN450 / 457.0mm | 615 | 20 x 26 | N9237 |
| 20″ / DN500 / 508.0mm | 670 | 20 x 26 | N9238 |
| 24″ / DN600 / 610.0mm | 780 | 20 x 30 | N9239 |
Available size for PN 25
| Size | Flange OD D(mm) | Bolting (No.x hole) | Ref. No. |
|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 95 | 4 x 14 | N9241 |
| 3/4″ / DN20 / 26.9mm | 105 | 4 x 14 | N9242 |
| 1″ / DN25 / 33.7mm | 115 | 4 x 14 | N9243 |
| 1-1/4″ / DN32 / 42.4mm | 140 | 4 x 18 | N9244 |
| 1-1/2″ / DN40 / 48.3mm | 150 | 4 x 18 | N9245 |
| 2″ / DN50 / 60.3mm | 165 | 4 x 18 | N9246 |
| 2-1/2″ / DN65 / 76.1mm | 185 | 8 x 18 | N9247 |
| 3″ / DN80 / 88.9mm | 200 | 8 x 18 | N9248 |
| 4″ / DN100 / 114.3mm | 235 | 8 x 22 | N9249 |
| 5″ / DN125 / 139.7mm | 270 | 8 x 26 | N9250 |
| 6″ / DN150 / 165.1 / 168.3mm | 300 | 8 x 26 | N9251 |
| 8″ / DN200 / 219.1mm | 360 | 12 x 26 | N9252 |
| 10″ / DN250 / 273.0mm | 425 | 12 x 30 | N9253 |
| 12″ / DN300 / 323.9mm | 485 | 16 x 30 | N9254 |
| 14″ / DN350 / 355.6mm | 555 | 16 x 33 | N9255 |
| 16″ / DN400 / 406.4mm | 620 | 16 x 36 | N9256 |
| 18″ / DN450 / 457.0mm | 670 | 20 x 36 | N9257 |
| 20″ / DN500 / 508.0mm | 730 | 20 x 36 | N9258 |
| 24″ / DN600 / 610.0mm | 845 | 20 x 39 | N9259 |
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