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Model 30 Compact Precision Pressure Regulator

Brand: Fairchild Industrial Products
The Rotork Fairchild Model 30 is a compact precision pressure regulator designed for applications that require high performance and accurate process control where space may be limited or you wish to reduce the overall size of your panel or equipment. Stability of regulated pressure is maintained under varying flow conditions through the use of an aspirator tube which adjusts the supply valve in accordance with the flow velocity. 

The Model 30 pneumatic regulator features control sensitivity of 1/4" water column and a balanced supply valve to deliver consistent and reliable precision accuracy to maintain your desired set point regardless of supply pressure changes or conditions.

The Fairchild Model 30 precision regulator will handle a 250 psi, 17 BAR maximum supply pressure and offers five (5) output pressure ranges from 0-2 psi, 0-0.15 BAR, 0-15 kPa up to 2-100 psi, 0.1-7 BAR, 15-700 kPa.

Benefits
  • Excellent for applications where space is tight
  • High accuracy for use in precision applications.
  • Allows the regulator to remain unaffected by supply pressure changes.
  • For use in applications with high flow requirements.
  • Compensates downstream pressure droop under flow conditions.
  • Isolates the diaphragm from the main flow to eliminate hunting and buzzing.
  • Permits you service the Model 30 regulator without removing it from the line.
Features
  • Compact size
  • Control sensitivity of 1/4" water column
  • Pressure Balanced Supply Valve
  • Flow of up to 40 SCFM with 100 psig
  • Aspirator tube design
  • Separate Control Chamber
  • Unit construction
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1 - 30 of 30 Part Numbers
30212
30212
FAIRCHILD Model 30 Midget Precision Regulator, 0-2 psig, 0-15 kPa, 1/4" NPT

Overview

  • Set Point Range: 0-2 psig, 0-0.1 bar, 0-15 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30212BP
30212BP
FAIRCHILD Model 30BP Midget Precision Back Pressure Regulator, 0-2 psig, 0-15 kPa, 1/4" NPT

Overview

  • Set Point Range: 0-2 psig, 0-0.1 bar, 0-15 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • BP:  Back Pressure
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30212J
30212J
FAIRCHILD Model 30 Midget Precision Regulator, 0-2 psig, 0-15 kPa, 1/4" NPT, Fluorocarbon (Viton) Elastomers

Overview

  • Set Point Range: 0-2 psig, 0-0.1 bar, 0-15 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Flourocarbon (Viton) Elastomer
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30212S
30212S
FAIRCHILD Model 30 Midget Precision Regulator, 0-2 psig, 0-15 kPa, 1/4" NPT, Screwdriver Adjust

Overview

  • Set Point Range: 0-2 psig, 0-0.1 bar, 0-15 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Screwdriver Adjust
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30213
30213
FAIRCHILD Model 30 Midget Precision Regulator, 0-2 psig, 0-15 kPa, 3/8" NPT

Overview

  • Set Point Range: 0-2 psig, 0-0.1 bar, 0-15 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30222
30222
FAIRCHILD Model 30 Midget Precision Regulator, 0-10 psig, 0-70 kPa, 1/4" NPT

Overview

  • Set Point Range: 0-10 psig, 0-0.7 bar, 0-70 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30222B
30222B
FAIRCHILD Model 30 Midget Precision Regulator, 0-10 psig, 0-70 kPa, 1/4" NPT, Low Bleed

Overview

  • Set Point Range: 0-10 psig, 0-0.7 bar, 0-70 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Low Bleed
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30222R
30222R
FAIRCHILD Model 30 Midget Precision Regulator, 0-10 psig, 0-70 kPa, 1/4" NPT, Plunger Operated

Overview

  • Set Point Range: 0-10 psig, 0-0.7 bar, 0-70 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Plunger Operated
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30222S
30222S
FAIRCHILD Model 30 Midget Precision Regulator, 0-10 psig, 0-70 kPa, 1/4" NPT, Screwdriver Adjust

Overview

  • Set Point Range: 0-10 psig, 0-0.7 bar, 0-70 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Screwdriver Adjust

  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30223
30223
FAIRCHILD Model 30 Midget Precision Regulator, 0-10 psig, 0-70 kPa, 3/8" NPT

Overview

  • Set Point Range: 0-10 psig, 0-0.7 bar, 0-70 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30232
30232
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30232B
30232B
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT, Low Bleed

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Low Bleed

  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30232N
30232N
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT, Non-Relieving

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Non-Relieving
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30232NT
30232NT
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT, Non-Relieving, Tamper Proof

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Non-Relieving
    • Tamper Proof

  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30232R
30232R
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT, Plunger Operated

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Plunger Operated
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30232S
30232S
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 1/4" NPT, Screwdriver Adjust

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Actuation Adjustment Means: Screwdriver Adjust
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30233
30233
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 3/8" NPT

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30233NT
30233NT
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 3/8" NPT, Non-Relieving, Tamper Proof

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 3/8" NPT
  • Options:
    • Non-Relieving
    • Tamper Proof

  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30233T
30233T
FAIRCHILD Model 30 Midget Precision Regulator, 0.5-30 psig, 3-200 kPa, 3/8" NPT, Tamper Proof

Overview

  • Set Point Range: 0.5-30 psig, 0.03-2 bar, 3-200 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

  • Special Options:
    • T = Tamper Proof

30242
30242
FAIRCHILD Model 30 Midget Precision Regulator, 1-60 psig, 10-400 kPa, 1/4" NPT

Overview

  • Set Point Range: 1-60 psig, 0.1-4 bar, 10-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30242NS
30242NS
FAIRCHILD Model 30 Midget Precision Regulator, 1-60 psig, 10-400 kPa, 1/4" NPT, Non-Relieving, Screwdriver Adjust

Overview

  • Set Point Range: 1-60 psig, 0.1-4 bar, 10-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

  • Options:
    • Non-Relieving
    • Screwdriver Adjustment

30242R
30242R
FAIRCHILD Model 30 Midget Precision Regulator, 1-60 psig, 10-400 kPa, 1/4" NPT, Plunger Operated

Overview

  • Set Point Range: 1-60 psig, 0.1-4 bar, 10-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Plunger Operated
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30242RJ
30242RJ
FAIRCHILD Model 30 Midget Precision Regulator, 1-60 psig, 10-400 kPa, 1/4" NPT, Plunger Operated, Fluorocarbon (Viton) Elastomers

Overview

  • Set Point Range: 1-60 psig, 0.1-4 bar, 10-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options:
    • Flourocarbon (Viton) Elastomer
    • Plunger Operated
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30243
30243
FAIRCHILD Model 30 Midget Precision Regulator, 1-60 psig, 10-400 kPa, 3/8" NPT

Overview

  • Set Point Range: 1-60 psig, 0.1-4 bar, 10-400 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30252
30252
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 1/4" NPT

Overview

  • Set Point Range:  2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30252B
30252B
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 1/4" NPT, Low Bleed

Overview

  • Set Point Range:  2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options: Low Bleed
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30252H
30252H
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 1/4" BSPP (Parallel)

Overview

  • Set Point Range:  2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4", BSPP Threaded Inlet and Outlet, others BSPT
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30252N
30252N
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 1/4" NPT, Non-Relieving

Overview

  • Set Point Range:  2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 1/4" NPT
  • Options: Non-Relieving
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron

30253
30253
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 3/8" NPT

Overview

  • Set Point Range: 2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 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 & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
30253S
30253S
FAIRCHILD Model 30 Midget Precision Regulator, 2-100 psig, 15-700 kPa, 3/8" NPT, Screwdriver Adjust

Overview

  • Set Point Range: 2-100 psig, 0.1-7 bar, 15-700 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Ambient Temperature: -40°F to +200°F (-40°C to +93.3°C)
  • Port Size: 3/8" NPT
  • Options:
    • Screwdriver Adjust
  • Materials of Construction:
    • Body & Housing: Aluminum
    • Trim: Brass
    • Elastomer: Nitrile on Dacron
1 - 30 of 30 Part Numbers

Model 30

Base Model

Port Size

Port Thread

Elastomers

Actuation Adjustment Means

Relief

Mounting

Specifications

Actuator Type

  • Knob Adjust
  • Plunger Operated
  • Screwdriver Adjust
  • Tamper-Proof

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

  • 2 scfm
  • 2.0 scfm (3.4 m³/hour)
  • 3.4 m³/hour

Flow Capacity

  • 40 scfm
  • 40 scfm (68 m³/hour) at psig: 100 (bar: 7, kPa: 700) Supply & psig: 20 (bar: 1.5, kPa: 150) Set Point
  • 68 m³/hour

Media

  • Compressed Air
  • Gas

Mounting

  • None

NPT Connection

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

Output Options

  • None

Pressure Range

  • bar: 0 to 1.36
  • bar: 0 to 7
  • bar: 0.034 to 2.04
  • bar: 0.068 to 4.08
  • bar: 0.136 to 10.20
  • kPa: 0 to 137
  • kPa: 0 to 700
  • kPa: 13.6 to 1,020
  • kPa: 3.4 to 204
  • kPa: 6.8 to 408
  • psi: 0.5 to 30
  • psig: 0 to 100
  • psig: 0 to 20
  • psig: 1 to 60
  • psig: 2 to 150

Relief

  • Low Bleed
  • Low Flow
  • Non-Relieving
  • Relieving

Sensitivity

  • 1/4" WC (0.64 cm)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • less than 0.014 bar
  • less than psi: 0.002 (bar: 0.00014, kPa: 0.14)
  • less than psig: 0.2 (bar: 0.014, kPa: 1.4)
  • less than psig: 0.2 (bar: 0.014, kPa: 1.4) for psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Trim Material

  • Brass

Vent

  • Straight
The Rotork Fairchild Model 30 is a compact precision pressure regulator designed for applications that require high performance and accurate process control where space may be limited or you wish to reduce the overall size of your panel or equipment. Stability of regulated pressure is maintained under varying flow conditions through the use of an aspirator tube which adjusts the supply valve in accordance with the flow velocity. 

The Model 30 pneumatic regulator features control sensitivity of 1/4" water column and a balanced supply valve to deliver consistent and reliable precision accuracy to maintain your desired set point regardless of supply pressure changes or conditions.

The Fairchild Model 30 precision regulator will handle a 250 psi, 17 BAR maximum supply pressure and offers five (5) output pressure ranges from 0-2 psi, 0-0.15 BAR, 0-15 kPa up to 2-100 psi, 0.1-7 BAR, 15-700 kPa.

Benefits
  • Excellent for applications where space is tight
  • High accuracy for use in precision applications.
  • Allows the regulator to remain unaffected by supply pressure changes.
  • For use in applications with high flow requirements.
  • Compensates downstream pressure droop under flow conditions.
  • Isolates the diaphragm from the main flow to eliminate hunting and buzzing.
  • Permits you service the Model 30 regulator without removing it from the line.
Features
  • Compact size
  • Control sensitivity of 1/4" water column
  • Pressure Balanced Supply Valve
  • Flow of up to 40 SCFM with 100 psig
  • Aspirator tube design
  • Separate Control Chamber
  • Unit construction