B31 Light Commercial & Industrial Regulator

Brand: Itron

The B31 is used where inches of water column or pounds delivery is desired such as utility services, and small-to-medium sized furnaces and boilers. The rapid response of the B31 is particularly well suited for applications where sudden on/off loads could cause shock problems.
Features
  • Field Interchangeable orifice
  • 27 in2 of diaphragm area
  • Spring-loaded internal relief valve assembly
  • Interchangeable adjustment spring
  • Controlled breather orifice size eliminates pulsation and provides normal actuation at low flows
  • Wide range of NPT valve body sizes including mixed inlet and outlet sizes; angle body 
Benefits
  • Smooth control at widely varying inlet pressures
  • Rugged construction
  • Fast response protects equipment from shock damage
  • Unmatched overpressure protection with Internal Monitor plus Internal Relief (IMR) option
  • No special tools required for outlet pressure adjustment
  • Designed to meet D.O.T., ANSI, CSA, and AGA-GAMA Safety Standards

Specifications

Brand

Certifications & Approvals

  • ANSI
  • CSA
  • AGA

Valve Body

  • 3/4” & 1”
  • 1-1/4”
  • 3/4” x 1 90° Angle Body

Body Material

  • Cast Iron

Material of Construction

  • Orifice: Aluminum, Standard Brass, Optional ASTM B16, Alloy 360
  • Valve Seat: Buna-N, Silicone
  • Valve Stem: Aluminum
  • Diaphragm: Buna-N and Nylon Reinforcing Fabric
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