| Model | RD-7 |
| Size | 10 & 15 |
| Applicable fluid | Fuel oils |
| Applicable temperature | 5 - 120 Deg.C |
| Applicable primary pressure | Max. 1.0MPa |
| Adjustable secondary pressure | 0.01 - 0.08, 0.08 - 0.2, 0.2 - 0.3MPa |
| Maximum reducing rate | 20 : 1 |
| Minimum pressure differential across the disc | 0.05MPa |
| Fluid viscosity | 700cSt or less |
| Materials | Body : Cast iron, ( interior : Epoxy resin ) Trim : Cast bronze Diaphragm and Disc : Synthetic rubber |
| End connection | Screwed JIS Rc |