Features:
  • Large control diaphragm area for increased sensitivity
  • Aspirator design compensates downstream pressure droop under flow conditions
  • Viton elastomers are compatible with corrosive materials and environments
  • A separate control chamber isolates the diaphragm from the main flow to eliminate hunting and buzzing
  • Line or panel mounting provides flexibility for installation
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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Selected Configuration

Model #:

Model 66

Price:
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1 Item

Configuration

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Pressure Range

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

Flow Capacity

  • 17 SCFM (28.9 m³/Hour) at psig: 100 (bar: 7, kPa: 700) Supply and psig: 20 (bar: 1.5, kPa: 150) Set Point

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

Ambient Temperature

  • -28° to 149° C (-20° to 300° F)

Sensitivity

  • 1" WC (2.54 cm)

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

Process Connection - Threaded

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

Relief

  • Non-Relieving - Aluminum Bonnet
  • Relieving

Vent

  • Straight
  • Tapped Exhaust

Actuator Type

  • Knob Adjust
  • Screw

Mounting

  • Panel Mount

Enclosure/Body Material

  • Stainless Steel

Bonnet Material

  • Aluminum

Diaphragm Material

  • Viton with Teflon on Control Side

Trim Material

  • Stainless Steel
  • Teflon

Elastomers

  • FluoroCarbon