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Fairchild Pneumatic Lever Operated Regulator, Model 3400

Model 3400 Lever Operated Pressure Regulator

Brand: Fairchild Industrial Products
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The Rotork Fairchild Model 3400 Lever Operated pressure Regulator is designed to allow rapid changes in pressure settings at control stations and test panels.

This high quality unit, capable of handling high flows and exhausts combines positive control with good sensitivity.

The Model 3400 Pneumatic Lever Operated Regulator is the combination of a Model 1000 High Flow Pressure Regulator and a hand held operated lever mechanism with 120 degree maximum travel.

The Model 3400, offered in four (4) different pressure ranges, is recommended for use in systems requiring the execution of hand operated pressure control such as the control of a throttle in an engine or engine room.

The regulator is the logical choice for rapid, "hands on" control in a variety of applications, including construction machinery, industrial and oil rig equipment, and cylinder operation.
Features
  • Lever mechanism actuation
  • Regulator is sensitive to 1/2" Water Column
  • Balanced Supply Valve
  • Aspirator Tube
  • Soft Supply and Exhaust Seats
  • Flow of up to 50 SCFM with 100 psig Supply
  • Separate Control Chamber isolates the diaphragm from the main flow
  • Unit construction
  • Short Lever Stroke over full pressure range

1 - 8 of 8 Part Numbers
3422
3422
  • Base Model - 342
  • Port Size - 1/4" NPT
3423
3423
  • Base Model - 342
  • Port Size - 3/8" NPT
3432
3432
  • Base Model - 343
  • Port Size - 1/4" NPT
3433
3433
FAIRCHILD Model 3400 Pneumatic Lever Operated Regulator, 0.5-30 psig, 3-200 kPa, 3/8" NPT
  • Set Point Range: 0.5-30 psig, 0.035-2 bar, 3.5-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17.0 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 3/8" NPT
  • Materials of Construction:
    • Body: Zinc
    • Trim: Zinc Plated Steel and Plastic
    • Diaphragms: Buna N and Dacron
3442
3442
FAIRCHILD Model 3400 Pneumatic Lever Operated Regulator, 1-60 psig, 10-400 kPa, 1/4" NPT
  • Set Point Range: 1-60 psig, 0.07-4 bar, 7-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17.0 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Materials of Construction:
    • Body: Zinc
    • Trim: Zinc Plated Steel and Plastic
    • Diaphragms: Buna N and Dacron
3443
3443
FAIRCHILD Model 3400 Pneumatic Lever Operated Regulator, 1-60 psig, 10-400 kPa, 3/8" NPT
  • Set Point Range: 1-60 psig, 0.07-4 bar, 7-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17.0 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 3/8" NPT
  • Materials of Construction:
    • Body: Zinc
    • Trim: Zinc Plated Steel and Plastic
    • Diaphragms: Buna N and Dacron
3462
3462
FAIRCHILD Model 3400 Pneumatic Lever Operated Regulator, 2-150 psig, 15-1000 kPa, 1/4" NPT
  • Set Point Range: 2-150 psig, 0.15-10 bar, 15-1000 kPa
  • Supply Pressure (Maximum): 250 psig, 17.0 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Materials of Construction:
    • Body: Zinc
    • Trim: Zinc Plated Steel and Plastic
    • Diaphragms: Buna N and Dacron
3463
3463
FAIRCHILD Model 3400 Pneumatic Lever Operated Regulator, 2-150 psig, 15-1000 kPa, 3/8" NPT
  • Set Point Range: 2-150 psig, 0.15-10 bar, 15-1000 kPa
  • Supply Pressure (Maximum): 250 psig, 17.0 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 3/8" NPT
  • Materials of Construction:
    • Body: Zinc
    • Trim: Zinc Plated Steel and Plastic
    • Diaphragms: Buna N and Dacron




 
1 - 8 of 8 Part Numbers

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Specifications

Brand

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

Diaphragm Material

  • Buna-N
  • Dacron

Enclosure, Body Material

  • Zinc

Exhaust Capacity - Relieving Units Only

  • 8 scfm (13.6 m³/hour)

Media

  • Compressed Air
  • Gas

Mounting

  • Panel Mount

NPT Connection

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

Pressure Range

  • bar: 0.035 to 0.7
  • bar: 0.035 to 2
  • bar: 0.07 to 4
  • bar: 0.15 to 10
  • kPa: 15 to 1,000
  • kPa: 3.5 to 200
  • kPa: 3.5 to 700
  • kPa: 7 to 400
  • psi: 0.5 to 30
  • psig: 0.5 to 10
  • psig: 1 to 60
  • psig: 2 to 150

Sensitivity

  • 1/2” WC (1.27 cm)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • Less than psig: 0.1 (bar: 0.007, kPa: 0.7) Per psig: 100 (bar: 7, kPa: 700) Change

Trim Material

  • Plastic
  • Zinc-Plated Steel

Documentation

Data Sheets

Installation Instructions

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