Official catalogue range
Confirm function and mounting first
- 5/2 internal pilot operated
- Spring return single-solenoid design
- 1/4" to 2" threaded connections
- 6-50 mm orifice options
Rotex / 51440 / 51440A Series
A 5/2 internal-pilot inline poppet family with spring return, broad port and orifice options, and configurable solenoid-coil assemblies.
Official catalogue range
Selection guidance
Official catalogue reference
The references below come from Rotex's official product catalogue and the linked official product sheets. They locate product codes, functions and selection ranges; they are not a complete order-code list. Confirm material, seals, voltage, power, enclosure protection and approvals against the exact datasheet and the manufacturer's confirmation.
| Official catalogue models | Function / application | Size / pressure | Material / seal | Solenoid / approval | Documents / inquiry |
|---|---|---|---|---|---|
| 51440 / 51440A / P5003 / P5011 / I5005Official catalogue reference | 5/2 internal pilot operated; inline poppet; spring return | 1/4-2 NPT; 6-50 mm orifice; 2-8 bar | Aluminium / brass / SS316; seal by code | 1-8 W options; enclosure and approval by code | Datasheet ↗ |