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Type 340 Regulator

Brand: ControlAir
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The Type 340 Series of Instrument Air Regulators are designed to provide clean, accurate air pressure to instruments, valves, and other automatic control equipment in a lightweight, compact housing.

These quality instruments are constructed of durable materials that will provide long lasting corrosion resistance in harsh industrial environments.

The Type 340 Regulator is designed to provide accurate, constant control under variable flow rates and supply pressure.

Compact and lightweight housing allows this unit to be mounted in applications where space is limited. Its durable construction withstands long term installation in harsh environments.
Features
  • Compact and Light Weight Construction 
  • High Flow Capacity 
  • Low Air Consumption 
  • Rugged, Corrosion Resistant Design 
  • Pressure Range: psig: 0 to 120 (bar: 0 to 8, kPa: 0 to 827) 
  • Supply Pressure (Maximum): psig: 250 (bar: 17, kPa: 1,723) 
  • Temperature Range: 
    • Standard Range: -18° to 71°C (0° to 160°F) 
    • Low Range: -40° to 51°C (-40° to 125°F) 
  • Port Size: 1/2", 1/4" 
  • Port Threads: NPT 
  • Materials of Construction:
    • Body & Housing: Diecast Aluminum Alloy, Irridite, Baked Epoxy Finish 
    • Diaphragms: Nitrile Elastomer and Nylon Fabric 

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Specifications

Brand

Actuator Type

  • Knob
  • Screw

Air Consumption

  • > 5 scfh

Diaphragm Material

  • Nitrile
  • Nylon Fabric

Enclosure Finish

  • Baked Epoxy

Enclosure, Body Material

  • Die Cast Aluminum

Exhaust Capacity - Relieving Units Only

  • 0.1 scfm (2.83 Nl/minute) with Downstream Pressure psig: 5 (bar: 0.3, kPa: 30) Above Set Point

Flow Capacity

  • 0.5 Cv at psig: 150 (bar: 10.3, kPa: 1,034) Supply & psig: 80 (bar: 5.5, kPa: 551) Set Point
  • 2.5 Cv at psig: 150 (bar: 10.3, kPa: 1,034) Supply & psig: 80 (bar: 5.5, kPa: 551) Set Point

Media

  • Air
  • Inert Gas
  • Sweet Natural Gas

Mounting

  • Body Direct
  • Bracket
  • Pipe

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

Operating Temperature

  • -40° to 71° C (-40° to 160° F)

Pressure Range

  • bar: 0 to 8
  • kPa: 0 to 827
  • psig: 0 to 120

Sensitivity

  • 1” WC (2.54 cm)

Supply Pressure - Maximum

  • bar: 17
  • kPa: 1,723
  • psig: 250

Supply Pressure Effect

  • Less than psig: 0.25 (bar: 0.017, kPa: 1.7) for psig: 25 (bar: 1.7, kPa: 172) Change
  • Less than psig: 0.5 (bar: 0.035, kPa: 3.4) for psig: 25 (bar: 1.7, kPa: 172) Change

Vent

  • Straight
  • Tapped Exhaust

Documentation

Data Sheets

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