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B57 Residential Regulator

Brand: Itron

The B57 regulator is ideally suited for use where inches of water column or pounds delivery pressure are desired for uses including utility services, small boilers, and other similar applications. 

The B57 is ideal for situations where rapid response is required, such as on/off loads, and can be utilized to avoid shock problems. In situations where complete 360 degree rotation of the diaphragm case is desired, the B57 can accommodate any position needed.
Features
  • Field interchangeable orifice
  • Field interchangeable adjustment spring
  • 27 sq. in. diaphragm area 
  • Spring-loaded internal relief valve assembly 
  • Wide range of NPT valve body sizes
  • Primary and secondary informational badges (4 lines available with 24 characters per line)
  • Serial numbers available upon request
Benefits
  • Light weight
  • Easy to install
  • Smooth control over widely varying inlet pressures
  • No special tools required for outlet pressure adjustment 

Specifications

Brand

Valve Body

  • 3/4” & 1”
  • 1-1/4”

Outlet Pressure Range

  • 0.75 to 2.5 psig
  • 4.5” to 16” w.c.

Orifice Size

  • 1/2” x 9/16”
  • 1/2”
  • 3/8”
  • 5/16”
  • 1/4” x 5/16”
  • 1/4”
  • 3/16” x 1/4”
  • 3/16”
  • 0.144” x 3/16”
  • 1/8”

Operating Temperature

  • -20° to 150° F

Valve Seat

  • Silicone, Buna-N

Valve Stem

  • Nylon

Orifice

  • Aluminum

Body Material

  • Cast Iron

Diaphragm Material

  • Buna-N and Reinforcing Fiber
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