Fairchild Pneumatic Volume Booster, Model 4900A
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4918ANNNS

Series: Model 4900A Pneumatic Volume Booster Brand: Fairchild Industrial Products - by Rotork

FAIRCHILD Model 4900A Pneumatic Volume Booster, 1:1 Ratio, 1" FNPT, Nitrile Elastomer, No Feedback Port, Stainless Steel Trim

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  • 49:  Model 4900A Pneumatic Volume Booster
  • 1: 1:1 Ratio
  • 8: 1" Port Size
  • A: Standard
  • N: Female NPT Port Thread
  • N: Nitrile Elastomer
  • N: No Feedback Port
  • S: Stainless Steel Trim

Specifications

Brand

Ambient Temperature Range

  • -40° to 93.3° C (-40° to 200° F)

Approvals & Certifications

  • CRN

BSP Connection

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

Diaphragm Material

  • Nitrile on Dacron

Elastomers

  • FluoroCarbon
  • Nitrile

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

  • 100 scfm (170 m³/hour)

Flow Capacity

  • 500 scfm (850 m³/hour) at psig: 100 (kPa: 700, bar: 7)

Flow Rate

  • 9.0 Cv

NPT Connection

  • 1" NPT Female
  • 3/4" NPT Female

Ratio

  • 1:1

Ratio Accuracy

  • 0.5% of psi: 100 (kPa: 700, bar: 7) Output Span

Signal or Output Pressure - Maximum

  • psig: 150 (kPa: 1,000, bar: 10)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • psi: 0.10 (kPa: 0.7, bar: 00.7) for psi: 100 (kPa: 700, bar: 7) Change in Supply Pressure

Trim Material

  • Stainless Steel
  • Zinc-Plated Steel

Documentation

Data Sheets

Installation Instructions

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