This Raven 1 1/2" POLY REGULATING VALVE is constructed of polypropylene and is designed to react to signals to alter conditions such as flow and pressure. Port sizes of M200 Flange and 1 1/2" FNPT...

ENCODER GRANULAR ASSY Granular Encoder (180 CPR), 50 RPM Max       Part No. 10630171071    

Raven Precision Sensor Assembly External         Part No. 10630172004