Prism PI

Intelligent features offer advanced performance

The Prism PI integrates an advanced position sensing system and integral pneumatic control for sanitary diaphragm and other linear applications. Compact and durable, the PI is suited for corrosive, heavy washdown and hazardous areas.

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The Prism features a full range of feedback options in the fully sealed, solid state dual module. Select the SST sensors for conventional switching, or communication options including AS-Interface, DeviceNet. For analog position control see our new Prism Expeditor PI80/PI81 models. Bluetooth® wireless link enables easy access to info and rapid commissioning.


1. Suitable for high pressure washdown and temporary submersion, the PI is rated for NEMA 4, 4X and 6 (IP66 & 67).

2. Screw-on cover enables convenient access without tools.

3. Enclosure is made of high impact strength, corrosion-resistant polycarbonate.

4. Prominent visual indicator boldly displays mechanical position status.

5. Low profile design minimizes height clearance required above actuator.

6. All electronics are sealed inside the linear C-module to protect against contamination, shock and vibration.

7. Intelligent high accuracy position sensor is solid state with no moving parts for long life. Sensor automatically adjusts dead band based on stroke length.

8. Integral solenoid valve available with Cv of 0.20.

9. NPT pneumatic connections are stainless steel reinforced for long life sealing under high torque stress conditions.

10. Push button open and closed settings are made conveniently and quickly. (AS-Interface unit may have settings made remotely.)

11. LED light bar brightly displays open, closed and solenoid status.

12. Conduit entries available in NPT, metric threads or quick connectors.