ASCO Numatics Series 551 spool valve with NAMUR mounting interface. Convertible 3/2 NC or 5/2 function via interface plate. Provides on-off electrical control of fluid flow in refrigeration, hydraulic or pneumatic lines.
ASCO Numatics Series 551 spool valve with NAMUR mounting interface. Convertible 3/2 NC or 5/2 function via interface plate. Provides on-off electrical control of fluid flow in refrigeration, hydraulic or pneumatic lines.
| Type | NAMUR Spool Valve 3/2 NC or 5/2 |
| Pipe Size | G1/4 |
| Orifice Size | 6 mm |
| Flow Coefficient (Kv) | 10 l/min |
| Medium | Air, inert gas, filtered |
| Pressure Range | 2-10 bar |
| Temperature Range | -10°C to +60°C |
| Voltage | 24V DC |
| Mounting | NAMUR (VDI/VDE 3845) |
| Function | Pilot operated, spring return |
| Manual Override | Screw type |
| Body Material | Aluminium |
| Material | Aluminium body, NBR seals |
| Pressure rating | 2-10 bar |
| Temperature range | -10°C to +60°C |
| IP rating | IP65 |
| Primary standard | ASCO Series 551 / NAMUR VDI/VDE 3845 |
| MOQ | 1 |
Fits any quarter-turn pneumatic actuator with NAMUR VDI/VDE 3845 interface.