Fairchild Pneumatic Precision Volume Booster, Model 20
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20813EI

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

FAIRCHILD Model 20 Pneumatic Precision High Capacity Volume Booster, 1:1 Ratio, 3/8" NPT, Tapped Exhaust, By-Pass Valve

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Fairchild Pneumatic Precision Volume Booster, Model 20 Fairchild Pneumatic Precision Volume Booster, Model 20 Fairchild Pneumatic Precision Volume Booster, Model 20
  • Ratio: 1:1

  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa

  • Pipe Size: 3/8" NPT

  • Options:

    • Tapped Exhaust
    • By-Pass Valve

  • Materials of Construction:

    • Body & Housing: Aluminum
    • Trim: Zinc Plated Steel, Brass
    • Diaphragms: Nitrile on Dacron Fabric

    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" WC (2.54 cm)
    • 1/2" WC (1.27 cm)
    • 1/4" WC (0.64 cm)
    • 1-1/2" WC (3.8 cm)
    • 1-1/4" WC (3.18 cm)
    • 3/4" WC (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

    Documentation

    Data Sheets

    Product Manuals

    Catalogs

    Certifications & Approvals

    Installation Instructions

    View Product Series

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