Fairchild Pneumatic Precision Pressure Regulator, Model 4000A
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4026AH

Series: Model 4000A Pneumatic Pressure Regulator Brand: Fairchild Industrial Products - by Rotork
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Fairchild Pneumatic Precision Pressure Regulator, Model 4000A Fairchild Pneumatic Precision Pressure Regulator, Model 4000A Fairchild Pneumatic Precision Pressure Regulator, Model 4000A Fairchild Pneumatic Precision Pressure Regulator, Model 4000A Fairchild Pneumatic Precision Pressure Regulator, Model 4000A Fairchild Pneumatic Precision Pressure Regulator, Model 4000A
  • Base Model - 402
  • Port Size - 3/4" NPT
  • Port Thread - BSPP (Parallel)
  • Actuation Adjustment Means - Knob Adjustment
  • Exhaust Port - Straight

Specifications

Brand

Actuator Type

  • Knob Adjust
  • Tamper-Proof

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

BSP Connection

  • 1/2" BSPP Female
  • 1/2" BSPT Female
  • 3/4" BSPP Female
  • 3/4" BSPT Female
  • 3/8" BSPP Female
  • 3/8" BSPT Female

Elastomers

  • FluoroCarbon (Viton)
  • Nitrile on Dacron

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

  • 40 scfm
  • 40 scfm (65 m³/hour) Where Downstream Pressure is psig: 5 (bar: 0.35, kPa: 35) Above psig: 20 (bar: 1.5, kPa: 150) Set Point
  • 65.2 m³/hour

Flow Capacity

  • 150 scfm (255 m³/hour)
  • 255 m³/hour

Media

  • Compressed Air
  • Gas

NPT Connection

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

Pressure Range

  • bar: 0.034 to 2.04
  • bar: 0.068 to 4.08
  • bar: 0.136 to 10.20
  • bar: 0.34 to 27.20
  • bar: 0.35 to 17
  • kPa: 13.6 to 1,020
  • kPa: 3.4 to 204
  • kPa: 3.5 to 1,700
  • kPa: 34 to 2,720
  • kPa: 6.8 to 408
  • psi: 0.5 to 30
  • psig: 0.5 to 250
  • psig: 1 to 60
  • psig: 2 to 150
  • psig: 5 to 400

Relief

  • Relieving

Sensitivity

  • 1/2" WC (1.27 cm)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • less than 0.007 bar
  • less than psi: 0.01 (bar: 0.0007, kPa: 0.7)
  • less than psig: 0.1 (bar: 0.007, kPa: 0.7)
  • psig: 0.1 (bar: 0.007, kPa: 0.7) for a psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Trim Material

  • Brass
  • Zinc-Plated Steel

Vent

  • Straight
  • Tapped Exhaust

Documentation

Data Sheets

Catalogs

Certifications & Approvals

Installation Instructions

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