ISO-Spool® Gauge Protection for Small Diameter Piping

Threaded ISO-Spool®	Flanged ISO-Spool®

Bringing all of the benefits of the ISO-Ring, OPW's patented ISO-Spool® is designed to provide a large sensing area in smaller pipe diameters from 1" to 4". Offered in both NPT threaded and flanged models and available with flat or raised face.