ASCO Numatics Series 531 spool valve with NAMUR mounting interface. Convertible 3/2 NC or 5/2 function via interface plate. G1/4 supply with 6mm orifice. Provides on-off electrical control of fluid flow in refrigeration, hydraulic or pneumatic lines.
| Material | Aluminium body, NBR seals |
| Standard | ASCO Series 531 / NAMUR VDI/VDE 3845 |
| Pressure rating | 2-10 bar |
| Temperature range | -10°C to +60°C |
| IP rating | IP65 |
| Approval | IEC 61508 Functional Safety |
| Standards | NAMUR VDI/VDE 3845, IEC 60730, IEC 60204-1, IEC 60529 (IP rating) |
| Approvals | IEC 61508, CE, ATEX (variants), ATEX |
| HS code | 8481.80 |
| Material | Aluminium body, NBR seals |
| Pressure rating | 2-10 bar |
| Temperature range | -10°C to +60°C |
| IP rating | IP65 |
| Primary standard | ASCO Series 531 / NAMUR VDI/VDE 3845 |
| MOQ | 1 |
Fits any quarter-turn pneumatic actuator with NAMUR VDI/VDE 3845 interface (most worldwide actuator brands).