Model 4000ABP Back Pressure Regulator

Brand: Fairchild Industrial Products - by Rotork

The Rotork Fairchild Model 4000ABP Pneumatic Precision Back Pressure Regulator is a no bleed design regulator that precisely controls system back pressure. With its high flow capacity, the M4000ABP provides fast response and precision control under varying conditions. Stability of regulated pressure is maintained under varying flow conditions through the use of an aspirator tube which adjusts the relief valve in accordance with the flow velocity.

The Fairchild Model 4000ABP features control sensitivity of 0.5" water column and a very large relief valve to deliver consistent and reliable precision accuracy to maintain your desired set point regardless of system pressure changes or conditions.

The Fairchild Model 4000ABP back pressure regulator will handle a 250 psi, 17 BAR maximum system pressure and offers four (4) set point pressure ranges from 0.5-10 psi, 0.03-0.7 BAR, 3-70 kPa up to 2-150 psi, 0.1-10 BAR, 15-1,000 kPa.
Features
  • Control sensitivity of 1/2" water column

  • High Flow capacity

  • Large Relief Valve

  • Aspirator Tube

  • Separate Control Chamber isolates the diaphragm from the main flow

  • Unit construction
  • Models matching criteria: 145
    FAIRCHILD Model 4000ABP Pneumatic Back Pressure Regulator, 2-150 psig, 15-1000 kPa, 1/2" NPT, Nitrile Elastomers, Knob Adjust view more
    • Set Point Range: 2-150 psig, 0.15-10.0 bar, 15-1000 kPa
    • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
    • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
    • Pipe Size: 1/2" NPT
    • Actuation Adjustment Means: Knob Adjust
    • Materials of Construction:
      • Body & Housing: Aluminum
      • Trim: Zinc Plated Steel, Brass
      • Elastomers: Nitrile
    Out of Stock
    FAIRCHILD Model 4000ABP Pneumatic Back Pressure Regulator, 0.5-30 psig, 3-200 kPa, 3/4" NPT, Nitrile Elastomers, Knob Adjust view more
    • Set Point Range: 0.5-30 psig, 0.035-2.0 bar, 3.5-200 kPa
    • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
    • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
    • Pipe Size: 3/4" NPT
    • Actuation Adjustment Means: Knob Adjust
    • Materials of Construction:
      • Body & Housing: Aluminum
      • Trim: Zinc Plated Steel, Brass
      • Elastomers: Nitrile
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/4" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 3/8" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - NPT
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/8" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/4" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 1/2" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/8" NPT
    • Port Thread - BSPP
    • Elastomers - Fluorocarbon
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/4" NPT
    • Port Thread - BSPP
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - NPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 1/2" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/4" NPT
    • Port Thread - BSPP
    • Elastomers - Fluorocarbon
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/4" NPT
    • Port Thread - BSPT
    • Elastomers - Fluorocarbon
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/8" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/8" NPT
    • Port Thread - BSPT
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 3/8" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/8" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - NPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 1/2" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 1/2" NPT
    • Port Thread - BSPT
    • Elastomers - Fluorocarbon
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 2 to 150 (bar: 0.15 to 10, kPa: 15 to 1,000)
    • Port Size - 3/4" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - BSPP
    • Adjustment Type - Tamper Proof
    Out of Stock
    • Pressure Range - psig: 0.5 to 10 (bar: 0.03 to 0.7, kPa: 3 to 70)
    • Port Size - 3/8" NPT
    • Port Thread - BSPT
    • Elastomers - Nitrile
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 1 to 60 (bar: 0.1 to 4, kPa: 10 to 400)
    • Port Size - 3/4" NPT
    • Port Thread - NPT
    • Adjustment Type - Knob
    Out of Stock
    • Pressure Range - psig: 0.5 to 30 (bar: 0.03 to 2, kPa: 3 to 200)
    • Port Size - 1/2" NPT
    • Port Thread - BSPP
    • Elastomers - Nitrile
    • Adjustment Type - Tamper Proof
    Out of Stock

    Specifications

    Actuator Type

    • Knob
    • Tamper-Proof

    Ambient Temperature Range

    • -40° to 93° C (-40° to 200° F)

    Approvals & Certifications

    • CRN

    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

    Diaphragm Material

    • Nitrile

    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

    Flow Capacity

    • 150 scfm (255 m³/hour) at psig: 90 (kPa: 600, bar: 6) Setpoint

    NPT Connection

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

    Pressure Range

    • bar: 0.03 to 10
    • kPa: 3 to 1,000
    • psig: 0.5 to 150

    Seat / Seal Material

    • Nitrile

    Sensitivity

    • 1/2" WC (1.27 cm)

    Supply Pressure - Maximum

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

    Trim Material

    • Brass
    • Zinc-Plated Steel

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