Yodify Product Library
Add the Model 90 Low Pressure Selector Relay to your store or catalog
Book Your Demo and See How
or create your store
Model 90 Low Pressure Selector Relay
Brand: Fairchild Industrial Products
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
1 - 4 of 4 Part Numbers
90052
- 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
90052-Z21811
90052J
- Port Size - 1/4" NPT
- Elastomers - Fluorocarbon (Viton)
90052U
- Port Size - 1/4" NPT
- Elastomers - Dupont Fairprene-Coated Fabric
- Port Thread - BSPT (Tapered)
1 - 4 of 4 Part Numbers
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) - Max.
Signal or Output Pressure - Maximum
- bar: 14
- kPa: 1,400
- psig: 200
Trim Material
- Brass
Vent
- Straight