Sure Flow - Model Series RVO/U -Compact Indicators and Switches for Low Flow Rates

Full scale flow ranges from 60cc/m to 40 GPM and 4 SCFH to 400 SCFM. Connections sizes from 1/4-inch to 1-inch NPT or BSP. Construction materials: Brass or Stainless Steel. Calibrated scale for easy field adjustability. Spring loaded, mechanical design mounts in any orientation. Clear flow tube allows for view of process and scale. Pressure ratings to 145 PSIG.