Fairchild Pneumatic Low Pressure Selector Relay, Model 90
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Model 90 Low Pressure Selector Relay

Brand: Fairchild Industrial Products
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Fairchild Pneumatic Low Pressure Selector Relay, Model 90 Fairchild Pneumatic Low Pressure Selector Relay, Model 90 Fairchild Pneumatic Low Pressure Selector Relay, Model 90
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

Displaying prices & availability for Ohio, United States in CAD. Change location.

Models matching criteria: 4
90052
FAIRCHILD Model 90 Low Pressure Selector Relay, 1/4" NPT view more
  • Models: 90 Low Pressure Selector
  • Maximum Signal Pressure: 200 psig, 14.0 bar, 1400 kPa
  • Switching Differential (Minimum) : Less than 0.1 psig, 0.007 bar, 0.7 kPa
  • Differential between Signals (Maximum): 100 psig, 7.0 bar, 700 kPa
  • Pipe Size: 1/4" NPT
  • Material of Construction:
    • Body: Aluminum Alloy
    • Trim: Brass
    • Diaphragm: Dupont Fairprene-Coated Fabric
100+ In Stock
$1,759.00 CAD
$10.00 Shipping
90052-Z21811
FAIRCHILD Model 90 Low Pressure Selector Relay, 1/4" NPT
25+ In Stock
$1,450.00 CAD
$10.00 Shipping
90052U
  • Port Size - 1/4" NPT
  • Elastomers - Dupont Fairprene-Coated Fabric
  • Port Thread - BSPT (Tapered)
23 In Stock
$574.00 CAD
$10.00 Shipping
90052J
  • Port Size - 1/4" NPT
  • Elastomers - Fluorocarbon (Viton)
12 In Stock
$1,823.00 CAD
$10.00 Shipping

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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) - Max.

Signal or Output Pressure - Maximum

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

Trim Material

  • Brass

Vent

  • Straight

Documentation

Data Sheets

Catalogs

Certifications & Approvals

Installation Instructions

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