| CRISS-CROSS |
| MODEL | GPM | PSI | LPM | BAR | SIZE | 3D | |
| DG-S4A | 10 | 3500 | 38 | 241 | 7/8-14 |  |  |
| CLOSED CENTER |
| MODEL | GPM | PSI | LPM | BAR | SIZE | 3D | |
| DG-S4B | 10 | 3000 | 38 | 207 | 7/8-14 | | |
| TANDEM CENTER |
| MODEL | GPM | PSI | LPM | BAR | SIZE | 3D | |
| DG-S4C | 8 | 3000 | 30 | 207 | 7/8-14 | | |
| SERIES/PARALLEL |
| MODEL | GPM | PSI | LPM | BAR | SIZE | 3D | |
| DG-S4E | 6 | 3000 | 23 | 207 | 7/8-14 | | |