Fairchild Model 21 - Adjustable Ratio Relay

Model Number: 21

The Model 21 Adjustable Ratio Relay, employing a movable fulcrum design, allows infinite signal multiplication/division over the range of 1:30 to 30:1 by turning a simple adjustment knob. Preset input and output biasing are also possible with this high-quality unit.

  • Flow capacity 40 SCFM @ 100 psi supply, 20 psi set point
  • Sensitivity 0.5" Water Column
  • Supply pressure 250 psi maximum, Outlet pressure 150 psi maximum
  • Ratio range 30:1 through 1:30
  • Operating pressure (minimum) 0.5 psi
  • Pipe size 1/4" NPT - 3/8" NPT/BSPT

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Fairchild Model 21 Ajustable Ratio Relay
Part Number: 21312
Maximum Supply Pressure: 250psi
Signal/Output Pressure: 150 psi
Ratio Range: 30:1 through 1:30
Port Size: 1/4" NPT

HS Code: 9032 810080.
Country of Origin: USA.
Net Weight: 2.4kg.

£1,546.53 (ex VAT)

£1,855.84 (inc VAT)

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