CL31 Pressure Regulator

Brand: Itron

The CL31 regulator can produce substantial savings for users in lower initial costs, lower installation costs and lower maintenance costs. Optimum valve design limits over boosting or rapid drop-off as the capacity requirement changes, including fast on-off loads.

The CL31 was designed for systems requiring highly accurate pressure regulation such as: utility Fixed Factor metering of relatively small loads (up to 4000scfh)and industrial heating equipment requiring constant high burner pressures (1 PSIG to 20 PSIG).

Please view the Regulator Sizing Application for more information.
Features
  • Constant pressure loading provides “Fixed Factor” Measurement Accuracy Internal Bleed
  • Light closing spring for low lock-up
  • Wide outlet pressure range (1 psig to 20 psig)
  • One adjustable outlet spring (N version only)
  • Built in strainer screen in pilot regulator (N version only)
  • Extremely light weigh
  • Compact design
  • Safety advantage of second gas tight lock-up seat with IM Version

Specifications

Brand

Valve Body

  • 3/4” & 1”
  • 1-1/4”

Outlet Pressure Range

  • 1.0 to 21.5 psig

Orifice Size

  • 1/8”
  • 1/8” IM
  • 3/16”
  • 3/16” IM
  • 1/4”
  • 1/4” IM
  • 3/8”
  • 5/16” IM

Operating Temperature

  • -20° to 150° F

Body Material

  • Cast Iron

Valve Seat

  • Buna-N or Silicone

Valve Stem

  • Plated Steel (Aluminum Alloy 2011-T3)

Diaphragm Material

  • Buna-N and Nylon
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