Isolation Rings & Gauging Products

OPW's patented Gauge Isolation Ring, called ISO-Ring®, is designed to isolate gauges or pressure switches from solids in process flow and to ensure accurate pressure readings.

Why ISO-Ring? Clogging or fouling typically associated with diaphragm seals used in viscous fluid applications result in erroneous pressure readings. This is never a problem with the OPW ISO-Ring®.

ISO-Ring® utilizes a specially designed flush-mounted flexible inner cylinder, behind which is a clean, captive liquid. As process liquid flows through the pipe, it exerts pressure through the flexible cylinder to the captive liquid.

Why ISO-Rings?

Pressure is monitored by the gauge or the switch, which is completely isolated from the process flow.

• Insure smooth and uninterrupted process flow
• Will not clog!
• Replaces traditional diaphragm seals, which have a tendency to clog