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25433E

Series: Model 25 Reversing Relay Brand: Fairchild Industrial Products

FAIRCHILD Model 25 Reversing Relay, 3/8" NPT, 0.5-30 psi

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Stock
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Description
  • 254: Model 25 Reversing Relay
  • 3: Pressure Range: 0.5-30 psig, 0.03-2 Bar, 3-200 kPa
  • 3: Pipe Size 3/8" NPT
  • E: Tapped Exhaust
  • Supply Pressure (Maximum): 250 psig, 17.5 bar, 1750 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to 93.3°C)
  • Materials of Construction
    • Body: Aluminum
    • Trim: Stainless Steel, Brass, Aluminum
    • Diaphragms: Buna N & Dacron
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  • 254: Model 25 Reversing Relay
  • 3: Pressure Range: 0.5-30 psig, 0.03-2 Bar, 3-200 kPa
  • 3: Pipe Size 3/8" NPT
  • E: Tapped Exhaust
  • Supply Pressure (Maximum): 250 psig, 17.5 bar, 1750 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to 93.3°C)
  • Materials of Construction
    • Body: Aluminum
    • Trim: Stainless Steel, Brass, Aluminum
    • Diaphragms: Buna N & Dacron
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Specifications

Brand

Actuator Type

  • Knob Adjust

BSP Connection

  • BSPP Female (Parallel)
  • BSPT Female (Tapered)

Supply Pressure Effect

  • psig: 0.1 (bar: 0.007, kPa: 0.7) for a psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Exhaust Capacity - Relieving Units Only

  • 11 scfm (18.7 m³/hour)

Relief

  • Relieving

NPT Connection

  • 1/2" NPT Female
  • 1/4" NPT Female
  • 3/8" NPT Female

Sensitivity

  • < 1/8 inH₂O (0.32 cm)

Enclosure, Body Material

  • Aluminum

Elastomers

  • Buna-N on Dacron
  • Fluorocarbon (Viton)

Supply Pressure - Maximum

  • bar: 17
  • kPa: 1,700
  • psig: 250

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

Mounting

  • Panel Mount
  • Pipe

Pressure Range

  • bar: 0 to 0.7
  • bar: 0.03 to 2
  • bar: 0.1 to 4
  • bar: 0.15 to 10
  • kPa: 0 to 70
  • kPa: 10 to 400
  • kPa: 15 to 1,000
  • kPa: 3 to 200
  • psi: 0.5 to 30
  • psig: 1 to 60
  • psig: 2 to 150

Vent

  • Straight
  • Tapped Exhaust

Flow Capacity

  • 40 scfm (68 m³/hour)

Signal or Output Pressure - Maximum

  • bar: 10
  • kPa: 1,000
  • psig: 150
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