Fairchild Model 85D - Multi Stage Biasing Relay

Model Number: 85D

The Model 85D Multi-Stage Biasing Relay is a precision control combining the sensitivity of a precision pressure regulator with positive biasing capability. This compact, pilot-operated device offers unusually high output capacity with minimal air consumption.

  • Flow capacity 14 SCFM @ 100 PSIG supply, 20 PSIG set
  • Pressure change under flow conditions less than 0.1 PSIG
  • Maximum supply pressure 250 PSIG
  • Maximum signal or output pressure 150 PSIG
  • Adjustment range 0-20 PSIG to 1-100 PSIG
  • Pipe size 1/8" NPT - 3/8" NPT/BSPT

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