B57
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.
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Description
The B57 is ideal for situations where rapid response is required, such as on/offloads, 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.
Itron Domestic – B57 R, N, HP
Features of the B57 include:
- 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
- Smooth control over widely varying inlet pressures
- No special tools required for outlet pressure adjustment
- The two versions available are:
B57R – The B57R is a spring-loaded, self-operated regulator with an internal relief (designated by the letter “R”) valve. The 1″ or optional 3/4″ internal relief valve provides excellent relief capacity.
The B57N – The B57N is the same as the B57R with the exception that it does not have an internal relief valve. This model may be used in situations where an internal relief or other types of overpressure protection is not required.
Product Technical Bulletin