Model 91 High Pressure Selector Relay

Brand: Fairchild Industrial Products
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Model 91 High Pressure Selector Relay

The Model 91 High Pressure Selector Relay is designed to select the higher of two signal pressures, and to provide a continuous output pressure (or pressure range) to a controller.

The ability to precisely control pressure switching and pressure monitoring functions make the Model 91 the logical choice in dead end or low flow applications such as precision control loops.
Features
  • Small, rugged design
  • Soft seat construction
  • Low selection differential
  • Fast response
  • Automatic switching
Product information may encapsulate the entire product series. Details may vary depending on the model. All specifications are subject to change without notice.
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91052
FAIRCHILD Model 91 High Pressure Selector Relay, 1/4" NPT show more
25+ In Stock
$338.17USD
$7.46 Shipping

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Model 91

Port Size

Elastomers

Port Thread

Specifications

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
The Model 91 High Pressure Selector Relay is designed to select the higher of two signal pressures, and to provide a continuous output pressure (or pressure range) to a controller.

The ability to precisely control pressure switching and pressure monitoring functions make the Model 91 the logical choice in dead end or low flow applications such as precision control loops.
Features
  • Small, rugged design
  • Soft seat construction
  • Low selection differential
  • Fast response
  • Automatic switching
Product information may encapsulate the entire product series. Details may vary depending on the model. All specifications are subject to change without notice.