1 | Body | Cast iron or ductile iron |
2 | Disc | Cast iron or ductile iron |
3 | Seat | Cast iron or Brass |
4 | Stem | Carbon steel or Brass |
5 | Bonnet | Cast iron or ductile iron |
6 | Hand wheel | Cast iron or ductile iron |
1 | Design according to BS3464 |
2 | Flange end BS10 Table E or D |
3 | Nominal Pressure PN10/PN16 |
Working pressure | PN10/PN16 |
Shell pressure | 15bars/24bars |
Seat pressure | 11bars/17.6bars |
L | D | K | B | C | H | n-φd | |
50 | 146 | 152 | 114.3 | 19 | 180 | 395 | 4-φ17.5 |
65 | 159 | 165 | 127 | 19 | 180 | 453 | 4-φ17.5 |
80 | 165 | 184 | 146 | 19 | 200 | 496 | 4-φ17.5 |
100 | 172 | 216 | 178 | 22 | 250 | 566 | 4-φ17.5 |
125 | 190 | 254 | 210 | 22 | 280 | 685 | 8-φ17.5 |
150 | 210 | 279 | 235 | 22 | 280 | 742 | 8-φ17.5 |
200 | 241 | 337 | 292 | 26 | 340 | 961 | 8-φ17.5 |
250 | 273 | 406 | 356 | 26 | 340 | 1138 | 8-φ17.5 |
300 | 305 | 457 | 406 | 28 | 400 | 1266 | 12-φ22.2 |