Regulators
Itron B31 The B31 service regulator is a high-performance regulator with a large effective  diaphragm area and powerful lever ratio. The B31 is designed to maintain accurate regulation over a wide range of flows on systems with extreme variations in inlet pressure and to deliver high capacities with very low inlet pressures.
Typical applications include demanding residential services and light commercial services. Application: Residential & Light Commercial Measurement range: 2500 SCFH Operating pressures: IN. WC. - 2 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 3/4", 1", & 1-1/4"
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Itron B42 The B42 service regulator incorporates a molded diaphragm and increased lever ratio into a conventionally designed regulator. The result is a lighter, more compact unit that provides the power, capacity, and relief performance of much larger regulators. Reduced weight means easier handling and installation. Reduced size means easier  installation in limited spaces and a lower profile meter set.
Typical applications include residential services, 2 PSIG systems, and small commercial services. Application: Residential & Light Commercial Measurement range: 2000 SCFH Operating pressures: IN. WC. - 5 PSIG Max Inlet Pressure Rating: 125 PSIG Connection
Size(s): 1/2", 3/4", 1", & 1-1/4"
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Itron B34S The B34S service regulator is a compact, cost effective regulator designed for midrange commercial applications. The B34S is particularly well suited for quick on/off applications where shock problems can occur. Application: Mid-range Commercial Measurement range: 3500 SCFH Operating pressures: IN. WC. - 2 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 1-1/4", 1-1/2", 2", 2"FL.
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Itron B34 The B34 service regulator is a versatile, large diaphragm-controlled regulator  designed for commercial and industrial loads.
The B34 maintains accurate regulation on applications where frequent sudden load changes can occur. Rugged construction enables the basic B34 model to cover applications with outlet pressures of Inches W.C. through 5 PSIG by merely changing adjustment springs.
Application: Commercial & Industrial Measurement range: 10000 SCFH Operating pressures: IN. WC. - 5 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 1-1/4", 1-1/2", 2", 2"FL, & 3"FL
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Itron B38 The B38 service regulator is designed for use on large commercial and  industrial loads. Large orifices are available (up to 1 3/8") for high capacity/low inlet pressure applications.
An added feature of the B38R is its massive relief capacity. All choke points in the relief flow path are enlarged to ensure a minimum pressure build-up in the event of regulator failure. The need for external relief valves for full capacity relief is eliminated in most applications.
Application: Large Commercial & Industrial Measurement range: 20000 SCFH Operating pressures: IN. WC. - 5 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 1-1/2", 2", 2"FL, & 3"FL
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Itron B531 The B531 is designed for light to medium commercial applications where the added safety of twin sliding orifices and/or dual relief is desirable. The IM version can perform all of the functions of a conventional monitor set in a single device. Small diaphragm cases allow the B531 to respond quickly to fast on/off loads.
Typical applications include schools, day care centers, nursing homes, and high-traffic areas such as drive-thru restaurants and car washes.
Application: Commercial & Light Industrial Measurement range: 5000 SCFH Operating pressures: IN. WC. - 5 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): Inlet: 3/4", 1", & 1-1/4" Outlet: 3/4", 1", 1-1/4", 1-1/2", & 2"
Click for B531 Brochure PDF
Itron B838 The B838 is designed for large commercial and industrial applications where the added safety of twin sliding orifices and/or dual relief is desirable. The increased capacity inherent in parallel flow regulators enables the B838 to handle large loads even at delivery pressures of 2 and 5 PSIG. The 838 can thus address fixed factor needs while retaining all of the favorable characteristics of spring loaded regulators such as quick response, low lockup, and internal relief.
Typical applications include hospitals, apartment buildings, hotels, high-rises, and public buildings.
Application: Large Commercial & Industrial Measurement range: 50000 SCFH Operating pressures: IN. WC. - 5 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 2 x 2", 2 x 3"FL, 2 x 4"FL
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Itron RB1700 The RB1700 Series is appropriate for Commercial and Industrial  applications such as burner and large appliance regulation where fast response is required. The balanced valve design provides constant outlet pressure under all inlet pressure conditions. It is capable of operating up to 175 psig inlet pressure and has an outlet pressure range of 7" w.c. to 30 psig.
Application: Commercial & Light Industrial Measurement range: 120000 SCFH Operating pressures: IN. WC.- 30 PSIG Max Inlet Pressure Rating: 175 PSIG Connection Size(s): 1-1/2" NPT
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Itron RB4000 The RB4000 Series is appropriate for Industrial Service applications, district station applications, and large appliance regulation where fast response is required. The balanced valve design provides constant outlet pressure under all inlet pressure conditions.
The unique built-in pulsation dampener allows for nearly infinite flowrate turn-down It is capable of operating up to 275 PSIG inlet pressure and has an outlet pressure range of 5" w.c. to 30 PSIG.
Application: Large Industrial & Fixed Factor Measurement range: 600000 SCFH Operating pressures: IN. WC.- 30 PSIG Max Inlet Pressure Rating: 275 PSIG Connection Size(s): 2" x 2" FL, 3" x 3"FL
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Itron CL31 The CL31 Series is designed to provide extremely accurate regulation of intermediate volumes of gas (to 4000 SCFH) at elevated pressures (1 to 20 PSIG). The CL31R features a relief-type pilot regulator to provide token relief and to prevent excess loading pressure from entering the main regulator should the pilot regulator fail.
The CL31N features a non-relief pilot regulator and can be used for outlet pressures over the entire range without changing the pilot adjustment spring.
Application: Light Commercial & Fixed Factor Billing Measurement range: 4000 SCFH Operating pressures: 1 - 20 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 3/4", 1", & 1-1/4"
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Itron CL231 The CL231 Series is a compact, cost-effective  regulator designed for mid-sized commercial applications (to 7500 SCFH) which require accurate regulation at elevated pressures. The CL231R features a relief-type pilot regulator to provide token relief and to prevent excess loading pressure from entering the main regulator should the pilot regulator fail. The CL231N features a non-relief pilot regulator and can be used for outlet pressures over the entire range without changing the pilot adjustment spring.
Application: Mid Commercial & Fixed Factor Measurement range: 7500 SCFH Operating pressures: 1 - 20 PSIG Max Inlet Pressure Rating: 125 PSIG Connection Size(s): 1-1/4", 1-1/2", 2", 2"FL, & 3"FL
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Itron CL34 The CL 34 Series is designed to provide extremely accurate regulation of gas  over a wide range of flows and outlet pressures. Typical applications include fixed factor billing on commercial and industrial installations.
The CL34-1 features a low pressure relief-type pilot regulator for outlet pressures from Inches W.C. 5 PSIG. The CL34-2 features a high pressure relief-type pilot for outlet pressures from 1 to 60 psig.
Application: Commercial, Industrial, & Fixed Factor Measurement range: 25000 SCFH Operating pressures: 1 - 60 PSIG Max Inlet Pressure Rating: 150 PSIG Connection Size(s): 1-1/4", 1-1/2", 2", 2"FL, & 3"FL
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Itron CL38 The CL38 Series is designed to provide extremely accurate regulation of gas in high capacity applications with outlet pressures up to 30 psig. Typical applications include fixed factor billing on large commercial and industrial installations, and low pressure district regulator stations.
The CL 38-1 features a low pressure relief-type pilot regulator for outlet pressures form Inches W.C. to 5 psig. The CL38-2 features a high pressure relief-type pilot for outlet pressures from 1 to 30 psig.
Application: Large Commercial, Industrial & Fixed Factor Measurement range: 50000 SCFH Operating pressures: 1 - 30 PSIG Max Inlet Pressure Rating: 150 PSIG Connection Size(s): 1-1/2", 2", 2"FL, & 3"FL
Click for CL38 Brochure PDF
Itron CL838 The CL838 is designed to provide extremely accurate regulation of gas in
high capacity, elevated outlet pressure applications. The Internal Monitor version can perform all of the functions of a conventional high pressure monitor set in a single device.
Typical applications include district stations and high capacity fixed factor installations.
Application: Large Industrial & Fixed Factor Measurement range: 100000 SCFH Operating pressures: 1 - 30 PSIG Max Inlet Pressure Rating: 150 PSIG Connection Size(s): 2x2", 2x3"FL, 2x4"FL
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Itron B35 The B35 Series is a high pressure, first-cut regulator designed for inlet pressures of up to 1000 PSIG and outlet pressures of up to 150 PSIG. The B35 is ideal for use in multistage pressure reduction applications and monitor installations.
Application: High Pressure Field Service Measurement range: 5000 SCFH Operating pressures: 10 - 150 PSIG Max Inlet Pressure Rating: 1000 PSIG Connection Size(s): 3/4", 1"
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