Fairchild Pneumatic Stainless Steel Regulator, Model 66
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66253NJKNEN

Series: Model 66 Pneumatic Stainless Steel Regulator Brand: Fairchild Industrial Products - by Rotork
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  • Pressure Range - psig: 2 to 100 (bar: 0.1 to 7, kPa: 15 to 700)
  • Port Size - 3/8" NPT
  • Port Thread - Female NPT
  • Elastomers - Fluorocarbon
  • Adjustment Type - Knob Adjust
  • Relief - Non-Relieving
  • Vent - Tapped Exhaust
  • Mounting - Not Mounted

Specifications

Brand

Actuator Type

  • Knob Adjust
  • Screw

Ambient Temperature Range

  • -28° to 149° C (-20° to 300° F)

Bonnet Material

  • Aluminum

BSP Connection

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

Diaphragm Material

  • Viton with Teflon on Control Side

Elastomers

  • FluoroCarbon

Enclosure, Body Material

  • Stainless Steel

Exhaust Capacity - Relieving Units Only

  • 1 scfm (1.7 m³/hour) Where Downstream Pressure is psig: 5 (bar: 0.35, kPa: 35) Above psig: 20 (bar: 1.5, kPa: 150) Set Point

Flow Capacity

  • 17 scfm (28.9 m³/hour) at psig: 100 (bar: 7, kPa: 700) Supply & psig: 20 (bar: 1.5, kPa: 150) Set Point

Mounting

  • Panel Mount

NPT Connection

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

Pressure Range

  • bar: 0 to 10
  • kPa: 0 to 1,000
  • psig: 0 to 150

Relief

  • Non-Relieving - Aluminum Bonnet
  • Relieving

Sensitivity

  • 1" WC (2.54 cm)

Supply Pressure - Maximum

  • bar: 35
  • kPa: 3,500
  • psig: 500

Supply Pressure Effect

  • less than psig: 0.1 (bar: 0.007, kPa: 0.7) for psig: 25 (bar: 1.7, kPa: 170) Change in Supply Pressure

Trim Material

  • Stainless Steel
  • Teflon

Vent

  • Straight
  • Tapped Exhaust

Documentation

Data Sheets

Installation Instructions

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