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20822DE

Series: Model 20 Pneumatic Precision Volume Booster Brand: Fairchild Industrial Products

FAIRCHILD Model 20 Pneumatic Precision Volume Booster, 1/4" NPT, 1:2 Ratio, No Bleed, Tapped Vent

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6 - 8 weeks
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Description
  • 208: Model 20 Pneumatic Precision Booster
  • 2: Ratio 1:2
  • 2: Pipe Size: 1/4" NPT
  • D: No Bleed Relieving
  • E: Tapped Exhaust
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200° (-40°C to +93.3°C)
  • Material of Construction
    • Body & Housing: Aluminum
    • Trim: Zinc Plated Steel, Brass
    • Diaphragms: Nitrile on Dacron Fabric   
  • 208: Model 20 Pneumatic Precision Booster
  • 2: Ratio 1:2
  • 2: Pipe Size: 1/4" NPT
  • D: No Bleed Relieving
  • E: Tapped Exhaust
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200° (-40°C to +93.3°C)
  • Material of Construction
    • Body & Housing: Aluminum
    • Trim: Zinc Plated Steel, Brass
    • Diaphragms: Nitrile on Dacron Fabric   
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Specifications

Brand

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

BSP Connection

  • 1/4" BSPP Female
  • 1/4" BSPT Female
  • 3/8" BSPP Female
  • 3/8" BSPT Female

Elastomers

  • Fluorocarbon (Viton)
  • Nitrile on Dacron
  • Silicone

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Acceptable for use in Zones 1 & 2 for Gas Atmosphere, Groups IIA & IIB & Zones 21 & 22 for Dust Atmospheres

Exhaust Capacity - Relieving Units Only

  • 11 scfm (18.7 m³/hour)
  • 12.8 to 18.7 m³/hour
  • 7.5 scfm (12.8 m³/hour) where Downstream Pressure is psig: 5 (bar: 0.35, kPa: 35) Above Output Pressure Set Point of psig: 20 (bar: 1.5, kPa: 150)
  • 7.5 to 11 scfm

Flow Capacity

  • 45 scfm
  • 45 scfm (76.5 m³/hour) at psig: 100 (bar: 7, kPa: 700) Supply, psig: 20 (bar: 1.5, kPa: 150) Output
  • 76.5 m³/hour (30)

NPT Connection

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

Output Pressure - Maximum

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

Ratio

  • 1:1
  • 1:2
  • 1:3
  • 1:4
  • 1:5
  • 1:6
  • 2:1
  • 3:1
  • 4:1
  • 5:1

Relief

  • Non-Relieving
  • Relieving

Sensitivity

  • 1 inH₂O (2.54 cm)
  • 1/2 inH₂O (1.27 cm)
  • 1/4 inH₂O (0.64 cm)
  • 1-1/2 inH₂O (3.8 cm)
  • 1-1/4 inH₂O (3.18 cm)
  • 3/4 inH₂O (1.9 cm)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • bar: 0.007 to 0.041
  • kPa: 0.7 to 4.1
  • psig: 0.1 to 0.7

Trim Material

  • Brass
  • Zinc-Plated Steel

Vent

  • Straight
  • Tapped Exhaust
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