Fairchild Pneumatic High Pressure Selector Relay, Model 91
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91052

Series: Model 91 High Pressure Selector Relay Brand: Fairchild Industrial Products - by Rotork

FAIRCHILD Model 91 High Pressure Selector Relay, 1/4" NPT

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Fairchild Pneumatic High Pressure Selector Relay, Model 91 Fairchild Pneumatic High Pressure Selector Relay, Model 91 Fairchild Pneumatic High Pressure Selector Relay, Model 91
  • Model: 91 High 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

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

Documentation

Data Sheets

Catalogs

Certifications & Approvals

Installation Instructions

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