Parker R4V06 direct-acting pressure relief valve, NG06 sandwich mount. Pressure range 0-210 bar. Standard pilot-style relief for NG06 stacks.
| Type | R4V06 relief valve |
| Pattern | NG06 sandwich |
| Pressure range | 0-210 bar |
| Material | Cast iron / steel body |
| Pressure rating | 210 bar |
| Temperature range | -20°C to +80°C (fluid) |
Verify pattern (NG06/NG10/CETOP3/CETOP5), configuration (4/2, 4/3), and coil voltage.