Stud bolt, nut and washer for EN flange connection includes stud bolt, heavy hexagon nut and (or without) plain washer, and they form the bolting mainly used for high pressure flanged joints.
Available size for pipe flange PN 16
| Size | Flange bolting | Stud bolt | Heavy hex nut and plain washer | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 4 x 14 | M12 x 70 | M12 | NE4701-PN16 |
| 3/4″ / DN20 / 26.9mm | 4 x 14 | M12 x 75 | M12 | NE4702-PN16 |
| 1″ / DN25 / 33.7mm | 4 x 14 | M12 x 75 | M12 | NE4703-PN16 |
| 1-1/4″ / DN32 / 42.4mm | 4 x 18 | M16 x 85 | M16 | NE4704-PN16 |
| 1-1/2″ / DN40 / 48.3mm | 4 x 18 | M16 x 85 | M16 | NE4705-PN16 |
| 2″ / DN50 / 60.3mm | 4 x 18 | M16 x 85 | M16 | NE4706-PN16 |
| 2-1/2″ / DN65 / 76.1mm | 8 (4) x 18 | M16 x 85 | M16 | NE4707-PN16 |
| 3″ / DN80 / 88.9mm | 8 x 18 | M16 x 90 | M16 | NE4708-PN16 |
| 4″ / DN100 / 114.3mm | 8 x 18 | M16 x 90 | M16 | NE4709-PN16 |
| 5″ / DN125 / 139.7mm | 8 x 18 | M16 x 95 | M16 | NE4710-PN16 |
| 6″ / DN150 / 165.1 / 168.3mm | 8 x 22 | M20 x 105 | M20 | NE4711-PN16 |
| 8″ / DN200 / 219.1mm | 12 x 22 | M20 x 105 | M20 | NE4712-PN16 |
| 10″ / DN250 / 273.0mm | 12 x 26 | M24 x 120 | M24 | NE4713-PN16 |
| 12″ / DN300 / 323.9mm | 12 x 26 | M24 x 125 | M24 | NE4714-PN16 |
| 14″ / DN350 / 355.6mm | 16 x 26 | M24 x 130 | M24 | NE4715-PN16 |
Note:
1. For stud bolt, other length is also available as customer request.
2. Additional sizes, such as M6, M8, M10, are available for stud bolt, heavy hex nut, and plain washer as customer request.
Available size for pipe flange PN 25
| Size | Flange bolting | Stud bolt | Heavy hex nut and plain washer | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 4 x 14 | M12 x 70 | M12 | NE4701-PN25 |
| 3/4″ / DN20 / 26.9mm | 4 x 14 | M12 x 75 | M12 | NE4702-PN25 |
| 1″ / DN25 / 33.7mm | 4 x 14 | M12 x 75 | M12 | NE4703-PN25 |
| 1-1/4″ / DN32 / 42.4mm | 4 x 18 | M16 x 85 | M16 | NE4704-PN25 |
| 1-1/2″ / DN40 / 48.3mm | 4 x 18 | M16 x 85 | M16 | NE4705-PN25 |
| 2″ / DN50 / 60.3mm | 4 x 18 | M16 x 90 | M16 | NE4706-PN25 |
| 2-1/2″ / DN65 / 76.1mm | 8 x 18 | M16 x 95 | M16 | NE4707-PN25 |
| 3″ / DN80 / 88.9mm | 8 x 18 | M16 x 95 | M16 | NE4708-PN25 |
| 4″ / DN100 / 114.3mm | 8 x 22 | M20 x 105 | M20 | NE4709-PN25 |
| 5″ / DN125 / 139.7mm | 8 x 26 | M24 x 120 | M24 | NE4710-PN25 |
| 6″ / DN150 / 165.1 / 168.3mm | 8 x 26 | M24 x 125 | M24 | NE4711-PN25 |
| 8″ / DN200 / 219.1mm | 12 x 26 | M24 x 130 | M24 | NE4712-PN25 |
| 10″ / DN250 / 273.0mm | 12 x 30 | M27 x 140 | M27 | NE4713-PN25 |
| 12″ / DN300 / 323.9mm | 16 x 30 | M27 x 145 | M27 | NE4714-PN25 |
| 14″ / DN350 / 355.6mm | 16 x 33 | M30 x 155 | M30 | NE4715-PN25 |
Note:
1. For stud bolt, other length is also available as customer request.
2. Additional sizes, such as M6, M8, M10, are available for stud bolt, heavy hex nut, and plain washer as customer request.
