Red Valve Series 40 Isolation Ring Pressure Sensor

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Red Valve Series 40 isolation ring pressure sensors assure accurate, dependable pressure measurement and protect instrumentation in slurry and corrosive fluid applications. Available in 1" to 8" pipe sizes. Rated operating pressure to 275 PSI.

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Full Description

Territory Restriction: Territory Restriction: Red Valve appointed Lesman as its exclusive industrial representative effective July 1, 2021. Lesman's Red Valve territory includes the entire state of Illinois, Eastern Missouri, select counties in Northwest Indiana, and select western counties in Kentucky. Red Valve customers outside the Lesman territory can find their local representative at RedValve.com.

Red Valve Series 40 is a full-faced, thru bolted isolation ring that installs directly inline eliminating costly installation and maintenance costs associated with pipe stands and saddle welds. It senses the inline pressure through the flexible rubber sleeve and displaces the captive fluid through the pressure sensor body to the instrument’s Bourdon tube. All instruments are isolated and protected from the process, assuring positive and accurate readings.

The Series 40 can be mounted in any flow direction, submerged in a tank or mounted with a blind flange as a dead end to monitor tank levels.

Standard factory filled gauge included: 0-100 PSI, bottom mounted, 2½” dial steel case, ±1% accuracy; 0-200 PSI gauges are optional at no additional cost.

Available in 1” to 8” pipe sizes
ANSI B16.5 Class 150 flanges available in Carbon Steel, 316 Stainless Steel, PVC, or Teflon® Coated Carbon Steel
Full 360° pressure reading
Self-cleaning flexing action
Will not clog like traditional diaphragm seals

Product Documentation