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Model 70B Subminiature Pressure Regulator

Brand: Fairchild Industrial Products

The Rotork Fairchild Model 70 precision pressure regulator controls a pressure signal for pneumatic instrumentation applications.

This miniature regulator is ideally suited for applications with limited space. In addition, its brass bonnet and valve body makes the M70 an excellent choice for use in sensitive applications.

The Model 70 pneumatic regulator also has an integral vibration damper to provide low noise operation.

The Fairchild Model 70 features control sensitivity of 2.5" water column and a supply pressure effect of less than 1% to deliver consistent and reliable precision accuracy to maintain your desired set point regardless of supply pressure changes or conditions. 

The Model 70 brass pressure regulator will handle a 250 psi, 17 BAR maximum supply pressure and offers five (5) set point pressure ranges from 0-5 psi, 0-3.5 BAR, 0-35 kPa up to 2-100 psi, 0.1-7 BAR, 15-700 kPa.
Features
  • Compact size
  • Brass and zinc plated steel construction
  • Vibration damper
  • Repeatability within 0.06 psig dead ended

1 - 12 of 201 Part Numbers
70210
70210
FAIRCHILD Model 70B Pneumatic Subminiature Regulator, 0-5 psig, 0-35 kPa
  • Set Point Range: 0-5 psig, 0-0.35 bar, 0-35 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Supply Pressure (Minimum): 50 psig, 3.5 bar, 350 kPa
  • Materials of Construction:
    • Body: Brass
    • Trim: Zinc Plated Steel
    • Diaphragms: Fluorocarbon
70210F
70210F
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Hand Operated
  • Relief - Relieving
  • Mounting - Flange Mounted
70210M
70210M
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Hand Operated
  • Relief - Relieving
  • Mounting - Manifold Mounted
70210MS
70210MS
FAIRCHILD Model 70B Pneumatic Subminiature Regulator, 0-5 psig, 0-35 kPa, Manifold Mounted, Screwdriver Adjust
  • Set Point Range: 0-5 psig, 0-0.35 bar, 0-35 kPa
  • Supply Pressure (Maximum): 250 psig, 17 bar, 1700 kPa
  • Supply Pressure (Minimum): 50 psig, 3.5 bar, 350 kPa
  • Mounting: Manifold Mounted
  • Actuation Adjustment: Screwdriver Adjust
  • Materials of Construction:
    • Body: Brass
    • Trim: Zinc Plated Steel
    • Diaphragms: Fluorocarbon

70210N
70210N
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Hand Operated
  • Relief - Non-Relieving
  • Mounting - Without Mounting
70210NF
70210NF
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Hand Operated
  • Relief - Non-Relieving
  • Mounting - Flange Mounted
70210NM
70210NM
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Hand Operated
  • Relief - Non-Relieving
  • Mounting - Manifold Mounted
70210R
70210R
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Plaunger Operated
  • Relief - Relieving
  • Mounting - Without Mounting
70210RF
70210RF
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Plaunger Operated
  • Relief - Relieving
  • Mounting - Flange Mounted
70210RM
70210RM
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Plaunger Operated
  • Relief - Relieving
  • Mounting - Manifold Mounted
70210RN
70210RN
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Plaunger Operated
  • Relief - Non-Relieving
  • Mounting - Without Mounting
70210RNF
70210RNF
  • Pressure Range - 0-5 psi (0-0.35 bar, 0-35 kPa)
  • Port Thread - NPT
  • Actuation Adjustment Means - Knob Adjustment
  • Actuator Type - Plaunger Operated
  • Relief - Non-Relieving
  • Mounting - Flange Mounted
1 - 12 of 201 Part Numbers

Specifications

Actuator Type

  • Plunger Operated
  • Screwdriver Adjust
  • Tamper-Proof

Ambient Temperature Range

  • -40° to 71° C (-40° to 160° F)

Diaphragm Material

  • Fluorocarbon

Enclosure, Body Material

  • Brass

Exhaust Capacity - Relieving Units Only

  • 0.28 scfm (0.48 m³/hour)

Flow Capacity

  • 2.5 scfm (4.25 m³/hour)

Media

  • Compressed Air
  • Gas

Metric Connection

  • M5 x 0.8 Male

Mounting

  • Flange Mount
  • Manifold Mount

Pressure Range

  • bar: 0 to 0.35
  • bar: 0 to 1
  • bar: 0.035 to 2
  • bar: 0.07 to 4
  • bar: 0.15 to 7
  • kPa: 0 to 100
  • kPa: 0 to 35
  • kPa: 15 to 700
  • kPa: 3.5 to 200
  • kPa: 7 to 400
  • psi: 0 to 15
  • psi: 0.5 to 30
  • psig: 0 to 5
  • psig: 1 to 60
  • psig: 2 to 100

Relief

  • Non-Relieving

Supply Pressure - Maximum

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

Supply Pressure Effect

  • Less than 0.05 psig (0.0035 bar, 0.35 kPa) for 5 psig (0.35 bar, 35 kPa) Change in Supply Pressure

Trim Material

  • Zinc-Plated Steel
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