Pressure Measurement Using Isolation Ring


The D81 Isolation Ring from Winters Instrument provides a solution for measuring system pressure in processes involving fluids with the potential to clog or damage sensors and impulse lines. The isolation ring has a hollow elastomer that is located between two flanges. A fitting on the elastomer section allows for the connection of a gauge or transmitter without disturbing the process fluid. Pressure in the piping system is mirrored by pressure within the hollow portion of the isolation ring, measured by the connected instrument. The instrument does not come in contact with the process fluid, nor are there any small diameter impulse lines to foul or clog. Applications in mining, water treatment, pulp, and paper abound. Any challenging fluid is a good candidate for application consideration. Models are available up to 48″ line size, with wafer, flanged, or threaded connections.

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