Key Block DBB Double Block Valves
| SIZE (inch) | RATING (Ib.) | A (mm) | ØB (mm) |
| 1/2″ | 150 | 57 | 89 |
| 3/4″ | 150 | 57 | 99 |
| 1″ | 150 | 57 | 108 |
| 11/2″ | 150 | 60 | 127 |
| 2″ | 150 | 63 | 153 |
| 1/2″ | 300 | 57 | 96 |
| 3/4″ | 300 | 60 | 118 |
| 1″ | 300 | 60 | 124 |
| 11/2″ | 300 | 63 | 156 |
| 2″ | 300 | 63 | 165 |
| 1/2″ | 600 | 61 | 96 |
| 3/4″ | 600 | 64 | 118 |
| 1″ | 600 | 64 | 124 |
| 11/2″ | 600 | 67 | 156 |
| 2″ | 600 | 67 | 165 |
| 1/2″ | 900 | 64 | 121 |
| 3/4″ | 900 | 64 | 130 |
| 1″ | 900 | 67 | 150 |
| 11/2″ | 900 | 67 | 178 |
| 2″ | 900 | 72 | 216 |
| 1/2″ | 1500 | 64 | 121 |
| 3/4″ | 1500 | 64 | 130 |
| 1″ | 1500 | 67 | 150 |
| 11/2″ | 1500 | 67 | 178 |
| 2″ | 1500 | 72 | 216 |
| 1/2″ | 2500 | 64 | 134 |
| 3/4″ | 2500 | 64 | 140 |
| 1″ | 2500 | 67 | 159 |
| 11/2″ | 2500 | 72 | 203 |
| 2″ | 2500 | 73 | 235 |