Steel flange ANSI Class 125
Mã sản phẩm: N/A
Kiểu kết nối: ANSI standard flange
Vật liệu: Cast steel
Xuất xứ: China
ANSI/ASME Class 125 steel flange is a type of flange manufactured according to American standards. Flanges according to B16.1 Class 125 standard are widely used in the production and installation of fire valves according to American standards.
ANSI Class 125 Steel Flange Dimensions Chart
| Size | Flange dimension (mm) | Bolting | ||||
|---|---|---|---|---|---|---|
| D | C (min) | D1 (PCD) | D. of bolt hole | Bolt no. | Bolt size | |
| 2″ / DN50 / 60.3mm | 152 | 16.0 | 120.7 | 3/4″ | 4 | 5/8″ |
| 2-1/2″ / DN65 / 73.0mm | 178 | 17.5 | 139.7 | 3/4″ | 4 | 5/8″ |
| 3″ / DN80 / 88.9mm | 191 | 19.1 | 152.4 | 3/4″ | 4 | 5/8″ |
| 4″ / DN100 / 114.3mm | 229 | 19.1 | 190.5 | 3/4″ | 8 | 5/8″ |
| 5″ / DN125 / 141.3mm | 254 | 19.1 | 215.9 | 7/8″ | 8 | 3/4″ |
| 6″ / DN150 / 168.3mm | 279 | 19.1 | 241.3 | 7/8″ | 8 | 3/4″ |
| 8″ / DN200 / 219.1mm | 343 | 22.2 | 298.5 | 7/8″ | 8 | 3/4″ |
| 10″ / DN250 / 273.0mm | 406 | 23.8 | 362 | 1″ | 12 | 7/8″ |
| 12″ / DN300 / 323.8mm | 483 | 25.4 | 431.8 | 1″ | 12 | 7/8″ |
| 14″ / DN350 / 355.6mm | 533 | 25.4 | 476.3 | 1-1/8″ | 12 | 1″ |
| 16″ / DN400 / 406.4mm | 597 | 25.4 | 539.8 | 1-1/8″ | 16 | 1″ |
| 18″ / DN450 / 457mm | 635 | 25.4 | 577.9 | 1-1/4″ | 16 | 1-1/8″ |
| 20″ / DN500 / 508mm | 699 | 28.6 | 635 | 1-1/4″ | 20 | 1-1/8″ |
| 24″ / DN600 / 610mm | 813 | 30.1 | 749.3 | 1-3/8″ | 20 | 1-1/4″ |
Note:
1. For flange diameter, it is according to table I-9 of ASME B16.1 and multiplied by 25.4 to get SI units.
2. For flange thickness, it is according to AWWA C515, not as ASME B16.1.
3. For flange, it is flat and finished according to MSS SP-6.