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Fisher™ Type LR128 Pilot-Operated Pressure Relief Valve Or Backpressure Regulator

LR128 is a pilot‑operated liquid relief/backpressure regulator offering smooth operation and tight shutoff. Its design protects the seat and blocks debris.

The Type LR128 pilot-operated, pressure relief valve or backpressure regulator is designed for liquid applications. The Type LR128 provides smooth operation, tight shutoff, and long life. Its internally actuated metal plug eliminates disadvantages associated with flexible element style regulators, and the specially engineered flow path deflects debris, protecting the seat from damage and erosion. An internal inlet strainer prevents large particles from entering the main valve.

Key Features

  • Debris Protection
  • Thorough Laboratory Testing
  • In-Service Travel Indicator
  • Easily Maintained Pilot
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