Model 90 Low Pressure Selector Relay

Brand: Fairchild Industrial Products
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The Rotork Fairchild Model 90 Low Pressure Selector Relay is designed to select the lower of two signal pressures to provide a continuous output pressure to a control device. 

The Model 90 is recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
Features
  • Small, rugged design
  • Soft seat construction
  • Low selection differential
  • Fast response
  • Automatic switching
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main_9052_Top.png 002_9052_Angle.png 003_9052_Inputs.png 004_9052_Output.png
main_9052_Top.png 002_9052_Angle.png 003_9052_Inputs.png 004_9052_Output.png
Images are representations only.
The Rotork Fairchild Model 90 Low Pressure Selector Relay is designed to select the lower of two signal pressures to provide a continuous output pressure to a control device. 

The Model 90 is recommended for dead end or low flow service in critical applications such as control loops requiring precise, automatic monitoring of signal pressures.
Features
  • Small, rugged design
  • Soft seat construction
  • Low selection differential
  • Fast response
  • Automatic switching
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Displaying prices & availability for VA, United States in USD. Change location or currency.

90052
FAIRCHILD Model 90 Low Pressure Selector Relay, 1/4" NPT
50+ In Stock
$604.00USD
$9.99 Shipping
90052-Z21811
FAIRCHILD Model 90 Low Pressure Selector Relay, 1/4" NPT
8 - 12 days
$858.00USD
$9.99 Shipping
available on backorder
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Model 90

Port Size

Elastomers

Port Thread

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Model 90

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Specifications

Brand

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

BSP Connection

  • 1/4" BSPT Female

Differential Between Signals - Maximum

  • bar: 7
  • kPa: 700
  • psig: 100

Differential Between Signals - Minimum

  • > psig: 0.1 (bar: 0.007, kPa: 0.7)

Elastomers

  • Dupont Fairprene-Coated Fabric
  • FluoroCarbon (Viton)

Enclosure, Body Material

  • Aluminum Alloy

Mounting

  • None

NPT Connection

  • 1/4" NPT Female

Relief

  • Relieving

Sensitivity

  • Switching Differential: 0.1 psi (< 0.7 kPa), Maximum

Signal or Output Pressure - Maximum

  • bar: 14
  • kPa: 1,400
  • psig: 200

Trim Material

  • Brass

Vent

  • Straight
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