B531 Series Regulator Twin Parallel Commercial Regulators

B Series Regulator Twin Parallel Commercial Regulators Use the B for light utility, industrial and commercial application. The twin parallel design should be used where a high degree of safety and overpressure protection are required such as schools, hospitals and community centers. This regulator is an excellent replacement for parallel regulator piping systems. MODEL DESCRIPTIONS»» BN The BN is a spring loaded self operated regulator with no internal relief. This regulator can be used on low or intermediate inlet pressures where an internal relief valve is not required.»» BR The BR is the internal relief version of the BR Series. This model features twin internal relief valves. Due to its excellent relief characteristics, the BR can be used on any inlet system up to the regulator s maximum operating pressure rating.»» BIMN (See page Schematic) The B IMN is equipped with an internal monitor (IM) orifice that operates upon failure of the main valve. The N designation signifies no internal relief valve.»» BIMR (See page Schematic) The BIMR is equipped with an internal monitor (IM) orifice as a primary form of overpressure protection that operates upon failure of the main valve seat. The BIMR is also equipped with secondary twin internal relief valves open in the event that both the main seat and the internal monitor cannot function.»» BIMRV (See page Schematic) The BIMRV is equipped with an internal monitor (IM) orifice as a primary form of overpressure protection that operates upon failure of the main valve. It is also equipped with the vent-hole V option which gives a warning indication that the regulator is on monitor control in the event of main valve failure. The venthole V option consists of a /6 hole in the sliding orifice that allows a small amount of gas to bleed downstream which causes the relief valves to weep gas. In the unlikely event the main valve and the monitor valve fails to function, the BIMRV is equipped with secondary or back-up twin internal relief valves. Option Designations N No internal relief R Internal relief IMN Internal monitor without internal relief IMR Internal monitor with internal relief IMRV- Internal monitor with internal relief and vent FEATURES»» Interchangeable brass orifice»» Combined 4 in of diaphragm area»» Twin Spring-loaded internal relief valve assemblies»» Field interchangeable adjustment springs»» No special adjustment tools required»» Controlled size breather orifice eliminates pulsation and provides normal actuation at low flows»» Wide range of valve body sizes BENEFITS»» Eliminates parallel regulator piping installations»» Light weight»» Fast response protects equipment from shock damage»» Field inspection of the internal monitor and internal relief valves without customer shut-off or by-pass»» Unmatched overpressure protectin with internal monitor plus internal relief options SPECIFICATIONS www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

SHIPPING WEIGHT Two regulators per box Box weight: 4 lbs. B DIMENSIONS AND ASSEMBLY POSITIONS www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

OPERATIONAL SCHEMATIC B SPRING DATA, SPRING COLOR OUTLET PRESSURE RANGE* Models N, R Inches w.c. Basic Setting (inches w.c.) Brown 4. -. Dark green.0-6.7 6 Light green. - 7. 7 Black 7.0-0.0 9 Blue 8.0 -.0 Silver.0 -.0 4 PSIG Basic Setting (PSIG) Red/gray 0.7 -..00 Red/blue. -.. Yellow. -.0.0 White.7 -..00 Models IMN, IMR Inches w.c. Basic Setting (inches w.c.) Brown 4. -.0 Dark green. - 6.0 6 Light green 6.0-7.0 7 Black 7.0-9.0 9 Blue 8.0-0.0 0 Silver 9.0 -.0 PSIG Basic Setting (PSIG) White/red 0.4 -.0.00 Yellow. -.. Red. -.7.0 White. -..00 *Spring ranges are approximate and may vary by application. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

ORIFICE DATA: WIDE OPEN FLOW COEFFICIENTS AND MAXIMUM PRESSURE DATA Maximum Operating Inlet Pressure Maximum Emergency Inlet Pressure All models Inches w.c. Delivery Pressure PSIG (bar) All outlet pressures PSIG (bar) Orifice Size (inches) K-Factor (SCFH/PSI) /8 (8.6) 0 (0.6) /8 IM 70 (8.6) 0 (0.6) /6 40 (8.6) 0 (0.6) /6 IM (8.6) 0 (0.6) /4 (8.6) 0 (0.6) /4 IM (4.) 0 (0.6) /6" 87 7 (.) 0 (0.) /6 IM 80 (4.) 0 (0.) /8 80 (4.) 0 (0.) / 000 (.) 00 (6.9) Maximum Emergency Outlet Pressure PSIG OPERATING TEMPERATURE RANGE -0 F to 0 F Silicone valve seats available below -0 F ADDITIONAL SPECIFICATIONS Available vent sizes /4", " NPT Other available options Seal wire to indicate tampering Pressure taps /8" pipe plug tap on inlet side of valve body Loading ring position 0 (directly downstream) Tamper proof (Torx head) diaphragm case screws www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

CONSTRUCTION Itron takes pride in delivering American made products with the utmost concern for safety, quality, and customer satisfaction. Construction material Valve body High tensile strength cast iron (ASTM A-6 Class A) Orifice Brass (ASTM B6 Alloy ) for IMR, IMN, IMRV, and RAS orifices; aluminum, N and R Valve seat Buna-N or silicone (optional) for temperatures below -0 F Valve stem Anodized aluminum Lever Zinc and dichromate plated steel (AISI C00) Lever pin Stainless steel (Type ) Upper diaphragm plate Zinc and dichromate plated steel (4 gauge steel) Lower diaphragm plate Die cast aluminum (ASTM B-8 Alloy SC84A) Diaphragm Buna-N and nylon reinforcing fabric Vent valve/seat Neoprene Vent screen Stainless steel (6 mesh) Adjustment ferrule Cast aluminum (ASTM CS4A) Seal cap Die cast aluminum (ASTM CS4A) Diaphragm case Die cast aluminum (ASTM B8 - Alloy SC84A) VALVE BODY SIZES* Inlet (inches) Outlet (inches) /4 /4 /4 -/4 -/ -/4 -/4 -/4 -/ -/4 *All sizes available with /8" NPT inlet tap. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

CORRECTION FACTORS FOR NON-NATURAL GAS APPLICATIONS The B may be used to control gases other than natural gas. To determine the capacity for gases other than natural gas, multiply the values within the capacity tables by a correction factor. The table below lists the correction factors for some of the more common gases: Gas Type Specific Gravity Correction Factor (CF) Air.00 0.77 Butane.0 0. Carbon Dioxide (Dry). 0.6 Carbon Monoxide (Dry) 0.97 0.79 Natural Gas 0..00 Nitrogen 0.97 0.79 Propane. 0.6 Propane-Air-Mix.0 0.7 To calculate the correction factor for gases not listed in the table above, use the gases specific gravity and insert it in the formula listed below: Correction Factor (CF) = Where: SG = Specific gravity of the gas in which the capacity is published. SG = Specific gravity of the gas to be controlled. Wide Open Flow Calculations For wide-open orifice flow calculations use the following equations: For use: For use: Where: P = Absolute Inlet Pressure (PSIA) P = Absolute Outlet Pressure (PSIA) Q = Flow Rate (SCFH) K = Orifice Coefficient (SCFH/PSI) www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point 7" w.c. (7. mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x -/" Capacities in SCFH of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Orifice Size Typical Capacity Info. Inlet Pressure Manufacturer Itron PSIG Bar B 8" w.c. 0.0 0" w.c. 0.0 0.0 0.0 (6.4) Regulator /8" /6" /4" /6" /8" /" (9.) 80 (7.8) 40 (9.) 40 (.8) 90 (8.) (9.8) 400 (.) 480 (.4) (8.7) 90 (0.9) 4 (.0) 40 (.) -/4" " w.c. -/" 4" w.c. Green Black 6" w.c. 0.04 0 (7.0) 40 (9.) 40 (.8) 470 (.) (8.) 8" w.c. 0.04 90 (8.) (0.) 40 (.6) 00 (4.0) 70 (0.) " w.c. 0.0 (8.7) 400 (.) 4 (.9) 40 (.) 7 (.) 4" w.c. 0.06 40 (9.) 40 (.6) 00 (4.0) 90 (6.) 840 (.) 0.07 (0.) 490 (.7) 70 (6.0) (8.) 90 (.8) 90 (6.6) 0 (.0) Position A Lock-up Pressure (inches w.c.) Inlet Effect (PSIG) B 8 (8.0) 0. 0 (8.4) 0 (4.6) 6 (8.) 800 (.4) 0.0 6 (0.) 60 (7.) 800 (.4) 00 (.8) 0 (.) 00 (4.0) 0. 490 (.7) 800 (.4) 00 (9.4) 40 (40.6) 700 (47.6) 000 (6.0) 0 0.67 6 (8.) 0 (4.) 0 (4.4) 80 (.8) 00 (6.6) (74.) 0. 00 (9.4) 80 (.8) 0 (64.4) (74.) 900 (8.) (88.).00 400 (9.) 400 (67.) 80 (79.8) 00 (84.0) 900 (8.) 400 (9.) 40.67 700 (47.6) 900 (8.) 0 00 (84.0) 900 (8.) 0. 00 (7.4) (9.0) 0 (98.0) 00 (84.0) 00 (84.0).00 0 (64.4) 0 (9.4) 0 0 (86.8) 00 (84.0) 70.00 67 (74.9) 478 (97.4) 996 (8.9) 7 (9.9) 80. 940 (8.) (98.) 77 (9.8) 90 6.00 70 (86.0) 99 (00.8) 4 (9.8) 00 6.67 0 (8.4) (0.) 800 (06.4) 8. 0 700 (0.6) 4000 (.0) 0. 0.6 0.7 0.8 0.9.0 00 90 4 0 Notes: A. Outlet pressure increase required for lock up in inches w.c. B. Change in inlet pressure (in PSIG) required to change outlet pressure in " w.c. Capacities above the dark line were achieved using a black spring. Capacities below the dark line were achieved using a light green spring. Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point 7" w.c. (7. mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x " Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Inlet Pressure Typical Capacity Info. Manufacturer Itron BR Regulator -/4" " Lt. green Position A Lock Up Pressure (inches w.c.) Inlet Effect (PSIG) B (PSIG) Bar Orifice Size /8" /6" /4" /6" /8" /" 80 (7.8) 40 (9.) 40 (.8) 8" w.c. 0.0 0" w.c. 0.0 (9.) " w.c. 0.0 90 (8.) (9.8) 400 (.) 480 (.4) 4" w.c. 0.0 (6.4) (8.7) 90 (0.9) 4 (.0) 40 (.) 6" w.c. 0.04 0 (7.0) 40 (9.) 40 (.8) 470 (.) (8.) 8" w.c. 0.04 90 (8.) (0.) 40 (.6) 00 (4.0) 70 (0.) " w.c. 0.0 (8.7) 400 (.) 4 (.9) 40 (.) 7 (.) 4" w.c. 0.06 40 (9.) 40 (.6) 00 (4.0) 70 (0.) 9 (6.9) 0.07 8 (8.0) 40 (.8) (6.9) 70 (.0) 900 (.) 400 (9.) 0. 0 (8.4) 7 (6.) 8 (.) 0 (.) 40 (40.6) 040 (7.) 0.0 70 (0.4) 70 (0.) 070 (.0) 40 (9.8) 700 (47.6) 440 (68.) 0. 490 (.7) 90 (6.6) 4 (40.9) 880 (.6) 80 (6.8) (88.) 0 0.67 70 (0.) 480 (4.4) 0 (6.) 90 (8.8) (9.8) 4000 (.0) 0. 00 (9.4) 0 (64.4) 90 (8.6) 400 (7.6) 4 (.0) 480 (.8).00 90 (8.9) (87.4) 400 (7.6) 4780 (.8) 480 (.8) 0 (48.4) 40.67 700 (47.6) 70 (0.0) 000 (40.0) 00 (4.6) 0 (47.0) 0. 000 (6.0) 40 (8.8) 000 (40.0) 0 (48.4) 400 (.) 4.00 0 (6.0) 000 (40.0) 000 (40.0) 900 (6.) 900 (6.) 70 4.67 70 (7.0) 000 (40.0) 000 (40.0) 900 (6.) 80 4.84 97 (8.) 000 (40.0) 000 (40.0) 900 (6.) 90 6.00 0 (86.8) 000 (40.0) 000 (40.0) 00 6.67 0 000 (40.0) 000 (40.0) 8. 0 000 (40.0) 000 (40.0) 0. 0.6 0.7 0.8 0.9.0 00 90 4 0 Notes: A. Outlet pressure increase required for lock up in inches w.c. B. Change in inlet pressure (in PSIG) required to change outlet pressure by w.c. Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B PERFORMANCE CURVES 7" w.c. Set Point BR -/4" " Orifice size /4" Spring Color Black Set point 7.0" w.c. with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIA at º F and with 0.6 S.G. gas. B RELIEF CURVES R MODEL ONLY 7" w.c. Set Point BR -/4" " Vent size " Set point 7.0" w.c. with 40 PSIG inlet @ 00 scfh. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point 4" w.c. ( mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x -/" Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Itron Inlet Pressure PSIG Bar 0.07 BR Regulator Orifice Size /8" /6" /4" /6" /8" /" 40 (.) (7.4) 800 (.4) 90 (6.6) 400 (9.) -/4" 0.4 0 (8.4) 60 (7.) 90 (.8) 0 (.) 400 (9.) 800 (0.4) -/" 0. 8 (0.8) 7 (.) (.) 00 (4.0) (4.4) 00 (6.6) Silver 0.4 0 (4.) 0 (8.8) 480 (4.4) 8 (.) 0 (.) 0 (7.8) (8.6) 0 Position Lock-up Pressure A 0 0.69 7 (0.0) 40 (4.) 40 (6.7) (74.) 90 0.8 090 (.) 0 (64.4) (87.4) 0 (98.0) 700 (0.6) 900 (09.).07 80 (8.6) 90 (8.8) (00.8) 0 (98.0) 700 (0.6) 400 (7.6) 40.76 70 (48.) 400 (9.) 400 (9.) 700 (0.6) 400 (4.8) 0.4 000 (6.0) 700 (0.6) 800 (06.4) 900 (09.) 400 (4.8) 4.4 (6.0) 90 (0.6) 800 (06.4) 4000 (.0) 400 (7.6) 7.7 67 (74.9) 74 (04.9) 90 (0.6) 487 (.8) 80. 99 (8.9) 9 (0.7) 40 (.7) 90 6. 0 4 (.6) 40 (9.0) 00 6.90 0 (9.4) 400 (7.6) 40 (0.4) 8.6 0 (98.0) 4400 (.) 4400 (.) 4. 4. 4.7.. Notes: A. Outlet pressure increase required for lock up in inches w.c. Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90 6.0

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point 4" w.c. ( mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x -/" Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Itron BR Regulator Inlet Pressure PSIG Bar 0.07 Orifice size /8" /6" 40 (.) /4" (7.4) 800 60 90 (.8) 0 90 /8" (6.6) /" 400 (9.) (.) 400 (9.) 800 (0.4) -/4" 0.4 0 (8.4) " 0. 8 (0.8) 7 (.) (.) 00 (4.0) (4.4) 40 (6.7) Black 0.4 0 (4.) 0 (8.8) 480 (4.4) 8 (.) 0 (.) 90 (8.8) 0 0.69 7 (0.0) 40 (4.) 40 (6.7) (74.) 0 400 (.4) 0.8 090 (.) 0 (64.4) 0 4000 (.0) 40 (7.4) 0 (44.).07 400 (9.) 90 (8.6) 4080 (4.) 4800 (4.4) 0 (48.4) 00 (4.6) 40.76 70 (48.) 80 (00.) 4700 (.6) 00 (4.6) 900 (6.) 0.4 000 (6.0) 4000 (.0) 48 (6.) 700 (9.6) 00 (68.0) 4.4 (6.0) 400 (6.0) 0 (44.) 60 (76.4) 60 (7.) 7.7 77 (77.7) 479 (4.) 66 (8.6) (8.6) 80. 99 (8.9) 480 (4.7) 800 (6.4) 90 6. 0 4900 (7.) 80 (6.8) 00 6.90 0 (9.4) 00 (40.6) 900 (6.) 8.6 0 (98.0) 00 (4.8) 900 (6.) Position Lock-up Pressure A 4. (7.) /6" (.4) 4. 4.7.. Notes: A. Outlet pressure increase required for lock up in inches w.c. Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90 6.0

B PERFORMANCE CURVES 4" w.c. Set Point BR -/4" NPT " NPT Orifice size /4" Silver Set point 4.0" w.c. with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. B RELIEF CURVES R MODEL ONLY 4" w.c. Set Point BR -/4" NPT " NPT Vent size " NPT Set point 4.0" w.c. with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point PSIG (69 mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (% Droop), Valve Body -/4" x -/" Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Itron Inlet Pressure PSIG Bar 0.4 (7.) 440 (.) 6 (7.6) 70 (.0) (6.0) 00 (.8) 0. (8.7) 0 (.4) 70 (.0) 00 (9.4) 90 (6.) 400 (9.) BR Regulator Orifice Size /8" /6" /4" /6" /8" 9 /" -/4" -/" 0.4 4 (.6) 7 (0.6) 780 (.8) 00 (.8) 0 (6.4) (46.) Varies 0 0.69 640 (7.9) 8 (4.) 0 (.4) 0 (44.8) 800 (0.4) 0 (64.4) 0.8 890 (4.9) 0 (6.4) (46.) 400 (67.) 00 (84.0) (00.8).07 00 (.6) 800 (0.4) 00 (8.8) 0 (86.8) (99.4) 400 (4.8) Position Lock-up Pressure (PSIG) A 40.76 00 (4.0) 00 (8.8) 0 (64.4) 700 (0.6) 90 (0.6) 400 (7.6) 0.4 70 (48.) 800 (78.4) 900 (8.) 4000 (.0) 4 (.8) 4800 (4.4) 4.4 000 (6.0) 0 (86.8) 700 (0.6) 40 (0.4) 40 (8.8) 4900 (7.) 70 4.8 (64.7) 8 (00.4) 40 (.4) 4 (8.8) 48 (4.8) 80. 0 (7.8) 7 (04.4) 40 (6.6) 497 (9.) 4 (44.0) 90 6. 900 (8.) 890 (08.9) 40 (8.8) (48.7) (48.7) 00 6.90 (88.) 990 (.7) 470 (.) 700 (9.6) 7 (6.) 8.6 400 (9.) 470 (6.8) 490 (8.6) 900 (6.) 990 (67.7).0.0.0.07.0 Note: A. Outlet pressure increase required for lock up in PSIG. Capacities above the dark line were achieved using a yellow spring. Capacities below the dark line were achieved using a red-blue spring. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.0

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R Set Point PSIG (69 mbar) @ 00 SCFH (.68 m³/hr) Capacity Table (% Absolute Droop), Valve Body -/4" x -/" Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Inlet Pressure Manufacturer Itron BR Regulator Orifice Size /8" /6" /4" /6" /8" /" PSIG Bar 0.4 80 (7.8) 90 (6.) 800 (.4) 000 (8.0) 00 (4.0) 900 (.) 0. 7 (0.) 790 (.) 000 (8.0) 00 (4.0) 800 (0.4) 0 (64.4) -/4" -/" 0.4 (4.8) 00 (.8) 0 (.0) 700 (47.6) 90 (4.6) 0 (7.8) Yellow 0 0.69 70 (.0) 0 (6.4) 900 (.) 400 (67.) 90 (8.6) 700 (0.6) Red/blue 0.8 00 (9.4) 00 (7.4) 80 (79.8) 900 (09.) 4400 (.) 0 (48.4).07 400 (9.) 70 (77.0) 70 (0.9) 4 (.) 00 (4.8) 600 (70.8) 40.76 70 (49.0) (9.8) 400 (.4) 400 (.) 0 (6.8) 6800 (90.4) 0.4 90 (4.6) 400 (.4) 4800 (4.4) 00 (68.0) 00 (68.0) 7000 (96.0) 4.4 (6.8) 400 (6.0) 0 (6.8) 600 (70.8) 0 (7.6) 700 (98.8) 70 4.8 67 (74.9) 49 (7.8) 99 (70.8) (8.6) 66 (8.6) 80. 99 (8.8) (48.7) 6498 (8.9) 6890 (9.9) 7006 (96.) 90 6. 90 (89.) 780 (6.8) 6670 (86.8) 700 (0.6) 7 (04.8) 00 6.90 40 (9.) 60 (7.4) 6800 (90.4) 740 (07.) 700 (0.0) 8.6 700 (0.6) 6400 (79.) 690 (94.6) 700 (0.0) 700 (0.0) Position Lock-up Pressure (PSIG) A.0.0.0.07.0 Notes: A. Outlet pressure increase required for lock up in PSIG. Capacities above the dark line were achieved using a yellow spring. Capacities below the dark line were achieved using a red-blue spring. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.0

B PERFORMANCE CURVES PSIG Set Point BR -/4" NPT " NPT Orifice size /4" Red/Gray Set point PSIG with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. B RELIEF CURVES R MODEL ONLY PSIG Set Point BR -/4" NPT " NPT Vent size " NPT Set point PSIG with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R PSIG Capacity Table (% Absolute Droop), All valve bodies Capacities in SCFH of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Itron Inlet Pressure PSIG Bar B Regulator /8" /6" /4" Orifice Size /6" /8" /" 0. (7.) 400 (.) 0 (4.) (6.9) 740 (0.7) 90 (.8) 0. 40 (9.) 70 (6.0) 70 (0.) 990 (7.7) 00 (.8) (7.8) -/4" 0 0.7 40 (.) 80 (.8) 0 (.) 480 (4.4) 780 (49.8) 00 (8.8) -/" 0.4 780 (.8) (4.4) 7 (49.) 00 (6.6) (7.4) 0 (86.8) White. 00 (9.4) 800 (0.4) 0 (64.4) 700 (7.6) (9.8) 400 (.6) Position 40.8 80 (.8) 00 (8.8) 8 (80.) 0 (9.4) 980 (.4) 4400 (.) 0.4 40 (40.6) 0 (7.4) (88.) 800 (06.4) 480 (.6) 470 (.0) 4. 740 (48.7) (7.4) (00.8) 4000 (.0) 4880 (6.6) 0 (6.8) 70 4.8 7 (47.9) 940 (8.) 40 (9.0) 468 (.) 0 (48.4) 80. 90 (.8) (90.) 4640 (.0) 490 (7.) 7 (6.) 90 6. 0 (9.4) (94.) 480 (.0) 00 (4.8) 0 (7.6) 00 6.9 400 (67.) 480 (97.4) 490 (7.) 0 (46.) 66 (86.) 8.6 90 (7.) 60 (0.) 0 (44.) 4 (.0) 680 (9.0) Lock-up pressure (PSIG) A.0.0.0.0.0 Notes: A. Outlet pressure increase required for lock up in PSIG. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS N AND R PSIG (69 mbar) @ 00 SCFH (.68 m/hr) Capacity Table (% Absolute Droop), All valve bodies Capacities in SCFH of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info Inlet Pressure Manufacturer Itron PSIG Bar BR 0. 8 (8.0) 4 (.) 78 (.0) 00 (9.4) 80 (.0) 0 (44.8) 0. 440 (.) 80 (.7) 80 (.0) 40 (4.) 780 (49.8) 40 (6.) (9.) (7.) 870 (.4) 80 (66.6) 80 (79.0) 780 (0.8) Regulator Orifice Size /8" /6" /4" /6" /8" /" -/4" 0 0.7 68 -/" 0.4 090 (.) 0 (7.7) 980 (8.4) 700 (0.6) 40 (9.0) (49.8) White. 400 (9.) 80 (79.0) 800 (06.4) 4 (.) 40 (.6) 0 (8.0) 40.8 700 (47.6) 40 (9.8) 400 (6.0) 00 (4.0) 60 (84.8) 700 (0.0) 0.4 00 (6.6) 90 (09.8) 490 (8.6) 6400 (79.) 700 (98.8) 700 (0.0) 4. 00 (6.6) 480 (.6) 00 (4.0) 7000 (96.0) 700 (0.0) 700 (0.0) 70 4.8 74 (76.9) 00 (40.) 70 (70.0) 746 (09.0) 700 (0.0) 80. (87.6) 40 (.6) 690 (9.8) 700 (0.0) 700 (0.0) 90 6. 4 (90.9) 780 (6.) 740 (07.8) 700 (0.0) 700 (0.0) 00 6.9 400 (9.) 00 (68.0) 700 (0.0) 700 (0.0) 700 (0.0) 8.6 (98.) 6 (7.) 700 (0.0) 700 (0.0) 700 (0.0) Position Lock-up pressure (PSIG) A.0.0.0.0.0 Notes: A. Outlet pressure increase required for lock up in PSIG Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.

B PERFORMANCE CURVES PSIG Set Point BR -/4" NPT " NPT Orifice size /4" White Set point PSIG with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. B RELIEF CURVES R MODEL ONLY PSIG Set Point BR -/4" NPT " NPT Vent size " NPT Set point PSIG with 40 PSIG inlet @ 00 SCFH. All test results are reported at a base of 4.7 PSIG at º F and with 0.6 S.G. gas. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL REGULATOR IM MODELS A. Normal regulation B. Normal lock-up D. Single monitor operation, one full internal diaphragm case failure C. Dual monitor operation - internal foreign material failure E. Internal monitor lock-up PRINCIPLE OF OPERATION a. Normal Operation. The internal monitor (IM) orifice performs like a standard one-piece orifice, performing normal regulation. The upstream monitor remains wide-open. b. Normal Lock-up. The regulator is free to lock-up in the usual manner. A nitrile o-ring forms a seal between the stationary and sliding orifices and prevents gas from leaking past the outer part of the orifice into the downstream or low pressure side of the valve body. The upstream monitor remains wide open. c. Monitor Operation. The monitor is comprised of one sliding orifice with a brass sharp edge and another sliding orifice with a vulcanized nitrile valve seat. If either of the regulator s main valves fails to lock-up for any reason, the internal monitor orifice automatically goes into operation. Outlet pressure increases slightly, causing the valve seat to push against the inner or sliding part of the orifice, gradually compressing the monitor spring and closing the secondary or monitor orifice on the inlet side of the sliding orifices. At this point, the BIM operates as a monitor regulator. C. Foreign material failure. Assume a weld bead is caught between the orifice and the valve seat while in high flow operation. If the flow is reduced, the main valve tries to close, but cannot due to the foreign matter. The outlet pressure increases approximately " w.c. above the original set point (varies based on main valve set point) which starts to close the secondary monitor orifice. If the gas demand is decreased, the monitor will be partially closed and becomes the new operating orifice. It will function as a monitor regulator keeping the outlet pressure approximately " w.c. above the set pressure for set pressure < PSIG or 0. PSIG for set pressure > PSIG. C. Diaphragm or lever failure. While diaphragm or lever failure is an entirely unlikely situation, if the event would happen, the damages side of the regulator will be unable to operate. The outlet pressure will then increase on the functional regulator and its sliding orifice moves to contact the monitor orifice and seat. However, since only one diaphragm is in operation, the outlet pressure will be about 4" w.c. higher on monitor operation than the normal set point. d. Monitor Lock-up (no demand). If the demand for gas downstream of the regulator is zero, the sliding orifices or orifice will close against the secondary rubber monitor seat and stop the gas flow completely. e. Vent-hole "V" Option (not shown). The sliding orifices of the IMRV model are equipped with 0.049" vent holes located near the sliding orifice s stepped portion. During monitor operation, if the demand is very small or non-existent, the 0.049" vent holes will allow gas to bleed from the high-pressure inlet side to the low-pressure outlet side of the regulator. The pressure will build until the internal relief valve cracks. The relief valve will weep gas to the atmosphere giving a warning indication the regulator is not operating properly. f. Regulator and Monitor Failure (not shown). In the unlikely event both the regulator and monitor fail, the BIMR is equipped with twin internal relief valves that will be actuated by the stop stem. Set Point 7" w.c. 4" w.c. PSIG PSIG Spring Black White/Red White/Red White Internal Monitor Lock-up and Relief Data IMN and IMR Lock-up¹ IMRV Relief Point² " w.c. 6" w.c. 4" w.c. 7" w.c..4 PSIG.7 PSIG.6 PSIG.8 PSIG Note: Regulator failed with /4" plastic glued to seat.. Outlet pressure required for internal monitor to close.. Outlet pressure required to open the internal relief valve. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR 7" w.c. (7. mbar) @00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x -/" Capacities in SCFH of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info Manufacturer Itron BIM Regulator Inlet Pressure Orifice Size PSIG Bar /8" /6" /4" /6" 0. 7 (0.) 70 (6.0) (8.) 0. 7 (7.7) 7 (6.) 87 (4.) 90 (6.6) 0. (9.8) 700 (9.6) 00 (.8) 00 (.6) -/4"NPT -/" NPT 0. 00 (4.0) 97 (7.) (7.8) 0 (44.8) Black 0 0.7 700 (9.6) 400 (9.) 000 (6.0) 0 (64.4).0 90 (6.6) 900 (.) 00 (70.0) 800 (78.4).7 0 (6.4) 0 (7.8) 00 (84.0) 0 40.8 70 (49.0) 0 0 0 4. 400 (67.) 0 0 0 7. 900 (8.) 0 Position Lock-up pressure (inches w.c.) Notes: 90 6. (88.) 0 00 6.9 0 0 8.6 0 0 7. 7.6 7.7 7.8 Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR 7" w.c. (7. mbar) @00 SCFH (.68 m³/hr) Capacity Table (" Droop), Valve Body -/4" x " Capacities in SCFH of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Inlet Pressure Manufacturer Itron BIM Regulator -/4" Orifice Size PSIG Bar /8" 0.07 0.4 7 0. /6" 7 (0.) (7.7) 7 (9.8) 700 /4" /6" 70 (6.0) (8.) (6.) 87 (9.6) 00 (4.) 90 (6.6) (.8) 00 (.6) " 0.4 00 (4.0) 97 (7.) (7.8) 0 (44.8) Black 0 0.69 700 (9.6) 400 (9.) 000 (6.0) 00 (70.0) 0.8 00 (.8) 00 (6.6) 0 800 (06.4) Position Lock-up pressure (inches w.c.).07 400 (9.) 900 (8.) 400 (7.6) 4400 (.) 40.76 70 (49.0) (00.8) 4700 (.6) 000 (40.0) 0.4 000 (6.0) 400 (4.8) 000 (40.0) 000 (40.0) 4.4 400 (67.) 000 (40.0) 000 (40.0) 000 (40.0) 70 4.8 0 (7.8) 000 (40.0) 0.00 0.00 80. 900 (8.) 000 (40.0) 0.00 0.00 90 6. 0 000 (40.0) 0.00 0.00 00 6.90 0 (98.0) 000 (40.0) 0.00 0.00 8.6 4000 (.0) 000 (40.0) 0.00 0.00 7. 7.6 7.7 7.8 Notes: Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR 4" w.c. ( mbar) @ 00 SCFH (.68 m /hr) Capacity Table (" Droop), All valve bodies Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Orifice size Inlet Pressure Typical Capacity Info. PSIG Bar /8 Manufacturer Itron 0.07 BI 0.4 6 Regulator /6 /4 /6 90 (8.) (9.8) 40 (.) (7.4) 70 (0.4) 4 (.9) 9 (6.7) 0. (8.8) 4 (.7) 0 (.4) 70 (0.) -/4" 0.4 4 (.6) 4 (.) 7 (0.) 90 (.8) -/" 0 0.69 7 (6.) 77 (.7) 0 (8.8) 0 (4.) Black.0 680 (9.0) 0 (8.8) 80 (.8) (4.4) 0.8 80 (.8) (4.4) 4 (40.0) 980 (.4).07 00 (.8) 700 (48.) 00 (6.6) 0 (7.4) 40.76 40 (9.8) (.) 40 (67.8) 0 (84.6) 0.4 70 (49.0) 400 (67.) 740 (76.7) 400 (9.) 4.4 00 (8.8) 80 (80.0) 00 (84.0) 0 (98.0) 7.7 00 (70.0) (90.) Position Lock-up Pressure (inches w.c.) 8.86 780 (77.8) (98.6) 00 6.90 90 (8.) 400 (8.0) 8.6 (99.4) 0 (4.) 4. 4.6 4.7. Notes: Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR PSIG Capacity Table (% Absolute Droop), All valve bodies Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Itron BIM Regulator Inlet Pressure PSIG Bar 0.4 /8 Orifice size /6 /4 8 (0.8) 48 (.6) 90 /6 (6.) 0. (9.0) 00 (4.0) 80 (6.) 740 (0.7) All 0.4 4 (.9) 0 (6.8) 7 (.) 980 (7.4) All 0 0.69 6 (7.) 90 (.8) 0 (9.7) 00 (4.0) White/red.0 790 (.) (4.4) 40 (9.8) 90 (.8) 0.8 990 (7.7) 40 (9.) 70 (48.) 80 (6.8).07 80 (.8) 880 (.6) (6.0) 00 (84.0) 40.76 6 (46.) 80 (66.6) 80 (79.8) (98.6) 0.4 880 (.6) 840 (79.) (90.) 940 (0.) 4.4 (6.) (88.) (98.6) 4 (.8) 7.7 700 (7.6) 7 (0.) Position Lock-up pressure (inches w.c.) 8.86 940 (8.) 4000 (.0) 00 6.90 (9.0) 4700 (.6) 8.6 400 (.4) 70 (.).0.0.0.07 Notes: Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR PSIG Capacity Table (% Absolute Droop), All valve bodies Capacities in SCFH (m/h) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Inlet Pressure PSIG Bar Typical Capacity Info. Manufacturer Itron Regulator BIM Orifice size /8 /6 /4 /6 0.4 0 (4.6) 67 (8.9) 8 (.) 0. 80 (0.6) 640 (7.9) 8 (4.) 080 (.) -/4" 0.4 (4.7) 640 (4.) 80 (.0) 40 (40.6) -/" 0 0.69 70 (.0) (7.8) 700 (47.6) 40 (6.7) White.0 9 (6.0) 70 (48.) 00 (6.6) 800 (78.4) Position 0.8 00 (.8) 00 (8.8) 700 (7.6) 480 (97.4).07 40 (40.6) 840 (79.) (0.4) 4400 (.) 40.76 800 (0.4) 0 (98.0) 40 (0.4) 00 (4.6) 0.4 080 (8.) 4000 (.0) 4800 (4.4) 800 (6.4) 4.4 (6.0) 400 (6.0) (49.8) 0 (7.6) 7.7 890 (80.9) 80 (47.8) 8.86 70 (9.6) 6 (7.6) 00 6.90 670 (0.7) 6880 (9.6) 8.6 4470 (.) 880 (4.6) Lock-up pressure (inches w.c.).0.0.0.07 Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR PSIG Capacity Table (% Absolute Droop), All valve bodies Typical Capacity Info. Manufacturer Itron Capacities in SCFH (m/h) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Inlet Pressure PSIG Bar /8 Orifice size /6 /4 7 (0.) 40 (.6) 70 /6 (6.0) (7.6) 8 (.) (8.0) 0 (6.4) 0 (4.) 640 (4.9) (4.) 0 (4.4) 880 (.6) (46.) 90 (4.6) 640 (7.9) 0 (.) (7.7) 80 (9.8) 40 (68.6) 780 (77.8) 700 (0.6) (.4) 8 (80.) 0 (9.4) 900 (09.) 40 (68.6) (9.8) 7 (76.4) 7 (04.4) 40 (8.) 4 (.8) 700 (0.6) 0 (48.4) BIM 0. 0.4 80 (0.6) (4.8) 6 All 0 0.69 70 (6.0) 77 (.7) 000 All.0 7 (0.6) 940 (6.) White 0.8 900 (.) 0.07 00 (.6) 6 40.76 4 (40.9) 0.4 700 (47.6) 4.4 980 7.7 8.86 00 6.90 8.64 Regulator Position Lock-up pressure (inches w.c.) Notes:.0.0.0 Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.0

B COMMERCIAL AND INDUSTRIAL REGULATOR, MODELS IMN AND IMR PSIG Capacity Table (% Absolute Droop), All valve bodies Capacities in SCFH (m/hr) of 0.6 S.G. gas; base conditions of 4.7 PSIA and F. Typical Capacity Info. Manufacturer Regulator Inlet pressure Itron BIM Orifice size PSIG Bar 0. /8 0.4 40 /6 /4 /6 0 (4.) 670 (8.8) 770 (.6) (.6) 7 (0.) 9 (6.9) 0 (.9) -/4" 0 0.69 7 (0.) 80 (.0) 00 (4.0) 90 (.8) -/".0 90 (.8) 490 (4.7) 9 (4.9) 0 (7.4) White 0.8 090 (.) 880 (.6) 400 (67.) 0 (8.4) Position.07 40 (40.6) 0 (70.6) 0 (9.4) 40 (.4) 40.76 740 (48.7) (9.0) 90 (0.6) 000 (40.0) 0.4 080 (8.) 700 (0.6) 4 (7.7) 700 (9.6) 4.4 80 (66.6) 480 (7.0) 4900 (7.) 00 (68.0) 7.7 90 (8.8) 4770 (.6) 8.86 40 (90.7) 0 (46.) 00 6.90 670 (0.8) 60 (76.4) 8.64 4470 (.) 7680 (.0) Lock-up pressure (inches w.c.).0.0.0 Notes: Inlet pressure is too low to achieve desired outlet pressure. Do not operate orifice in shaded inlet pressure area. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90.0

B PARTS LIST SCHEMATIC B PARTS LIST, MODELS N AND R Item Number Part Number N R Description Upper diaphragm case, please specify vent pipe size 77 Vent, /4" pipe/hp 7 Vent, /4" pipe/hp 74 Vent, /" pipe/hp 77 Vent, /4" pipe/hp 77 Vent, " pipe/hp (standard) 70 70 Seal cap (< PSIG) Seal cap (HP) 77 Adjustment screw, aluminum 4 7 Seal cap gasket Note: for indoor installation of regulator, use seal cap gasket, P/N 7677 (leak permanent seal) 769 For all vents except " vent, wire mesh 769 6 Vent screen, please specify vent size For " vent only, wire mesh Vent screen retainer ring, please specify size 7770 For all vents except " vent 7790 For " vent only 7 Vent valve disc pin, please specify size 74806 For all vents except " vent 74840 For " vent only 8 76 Vent valve spring 9 768 Vent valve disc www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

Item Number Part Number N R Description 0 7668 Vent valve seat 74 Lower diaphragm case, all ratio 76 Valve linkage lever, all ratio 764 Valve linkage, 4: ratio, IM 740 4 7 Valve stem, aluminum Valve seat Buna N ThP 77 Valve seat 8 Durometer, IM 79 Valve seat brown silicone 767 Deflector 7 79 Valve body retainer plate 8 77 Retainer plate snap ring 9 74 4 4 Valve linkage pin screw 748 Valve linkage pin 6 766 Diaphragm 7 760 Upper diaphragm plate Lower diaphragm plate Stop stem - short hex 8 74 9A 74 9B 74 4 760 44 7490 4 0 4 Stop stem - long hex Relief spring, 7" w.c. above set (standard) Stop stem guide bushing 7666 Relief cap 7677 - Diaphragm gasket (optional) 780-6 76 Diaphragm plate washer Adjustment spring, please specify Brown 4. -. w.c. 76 Brown/white 767 Dark green.0-6.7 w.c. 769 Light green. - 7.0 w.c. 76 Black 7.0-0.0 w.c. 767 Blue 8.0 -.0 w.c. 769 Silver.0 -.0 w.c. 76 Yellow. -. PSIG 76 Red. -.0 PSIG 767 White.7 -. PSIG 769 Gray 7 Red/gray 0.7 -. PSIG 78 Red/blue 7 Valve body, double, please specify size 7090 /4" x -/4" 70904 " x -/" NPT 7090 /4" x /4" 70906 /4" x /4" with /8" tap 70907 " x -/" NPT with /4" NPT pipe plug 709 " x " NPT 7098 " x " NPT with /8" NPT pipe plug 709 -/4" x -/" NPT www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

Item Number Part Number N R Description Valve body, double, please specify size (continued) 7096 -/4" x -/" NPT with /8" NPT pipe plug 70944 -/4" x " NPT 70947 -/4" x " NPT with /8" NPT pipe plug 8 Orifice*, aluminum, please specify size 77 /8" diameter 779 /6" diameter 77 /4" diameter 77 /6" diameter 777 /8" diameter 774 /" diameter 9 767 Loading ring 6 767 Valve body gasket 6 78 4 4 Retainer plate screw, hex head /6" - 8" steel 6 769 Curved regulator plate, silk screen & embossed 64 74 6 6 Case screw, hex head 6 766 6 6 Case screw nut, square 94 778 Deflector retainer ring Notes: *For Brass Orifice, additional charge. Torque Specifications Margin Screws Retainer Plate Screws Orifice 7 - in. lbs. 8 - in. lbs. 40-00 in. lbs. B PARTS LIST, MODELS IMN, IMR, AND IMRV Quantity IMR IMRV Item Number Part Number 77 Upper diaphragm case vent, " pipe 77 Upper diaphragm case vent, /4" pipe 70 Seal cap, < PSIG 70 Seal cap, HP, > PSIG 77 Adjustment screw, aluminum 4 7 Seal cap gasket 769 Vent screen 769 Vent Screen /4" vent 6 7790 Vent screen retainer ring, " vent IMN 7770 7 74840 Description Vent screen retainer ring, /4" vent 74806 Vent valve disc pin, " vent Vent valve disc pin, /4" vent 8 76 Vent valve spring, / oz 9 768 Vent valve disc 0 7668 Vent valve seat 74 Lower diaphragm case, 4. ratio 764 Valve linkage lever, 4. ratio 740 Valve stem, aluminum 4 77 Valve seat, Buna "N", 8D 79 Valve seat, silicone, low temperature www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

Quantity IMR IMRV Item Number Part Number 767 Deflector 7 79 Valve body retainer plate 8 77 Retainer plate snap ring 9 74 4 4 4 Valve linkage pin screw 748 Valve linkage pin 6 766 Diaphragm 7 760 Upper diaphragm plate 8 74 Lower diaphragm plate 9 IMN Description 74 - Stop stem, please specify size Stop stem, short hex 74 - Stop stem, long hex 4 760 - Relief spring 7" w.c. above set 44 7490 Stop stem guide bushing 4 7666 Relief cap 4 780 - - Diaphragm plate washer 6 Adjustment spring, specify color 78 Red/blue 7 Red/white 76 Brown 4." -." w.c. 76 Brown/white 767 Dark green.0" - 6.7" w.c. 769 Light green." - 7.0" w.c. 76 Black 7.0" - 0.0" w.c. 767 Blue 8.0" -.0" w.c. 769 Silver.0" -.0" w.c. 76 Yellow. -. PSIG 76 Red. -.0 PSIG 767 White.7 -. PSIG 769 Gray 4.0" - 9.0" w.c. (Canada only) 7 Red/gray 0" - " w.c. 79 White (short). -. PSIG 7 Valve body, double, please specify size 7090 /4" x -/4" 70904 x -/ NPT 7090 /4" x /4" 70906 /4' x /4" with /8" tap 70907 " x -/" NPT with /4" NPT pipe plug 709 " x " NPT 7098 " x " NPT with /8" NPT pipe plug 709 -/4" x -/" NPT 7096 -/4" x -/" NPT with /8" NPT pipe plug 70944 -/4" x " NPT 70947 -/4" x " NPT with /8 NPT pipe plug www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

Item Number Part Number 8 IMN Quantity IMR IMRV x x Description Orifice assembly, sliding, please specify size For PSI inlet 7906 /4" diameter IM 7906 7906 x x /4" diameter IM with vent hole x /6" diameter IM with vent hole x /6" diameter IM 79067 For PSI inlet 7907 x x /8" diameter IM 7907 7907 x x /8" diameter IM with vent hole x /6" diameter IM with vent hole x /6" diameter IM 79077 9 767 Loading ring 6 767 Valve body gasket 6 78 4 4 4 Retainer plate screw, hex head 6 769 Curved regulator plate 64 74 6 6 6 Case screw, hex head 6 766 6 6 6 Case screw nut, square 94 778 Deflector retaining ring Part No. Special Tools 7990 Spring adjustment wrench 7990 Orifice wrench Note: For indoor installation to regulator, use seal cap gasket #7677 leak proof seal. Remove items and 6 to pipe vent outdoors. Torque Specifications Margin Screws 7- in. lbs. Retainer Plate Screws 8- in. lbs. Orifice Assemblies 0-0 in. lbs. VENT LINES FOR REGULATORS When constructing vent lines to be attached to regulators installed indoors, follow a few basic rules: a. b. c. d. e. f. g. h. Never use pipe sizes smaller than the vent size; smaller pipe sizes restrict the gas flow. If a long gas run must be used, Itron advises increasing the pipe one nominal size every ten feet to keep the flow restriction as low as possible. Keep the vent line length as short as possible to minimize the restriction and reduce the vent's tendency to cause regulator pulsation. Support the vent pipe to eliminate strain on the regulator diaphragm case. Always point outdoor vent pipes in the downward position to reduce the possibility of rain, snow, sleet, and other moisture entering the pipe. Install a bug screen in the end of the pipe. Do not locate the vent line terminus near windows, fans, or other ventilation equipment. See the installation instructions furnished with the regulator. Adhere to all applicable codes and regulations. If your vent pipe causes regulator pulsation, consult your sales representative or manufacturer. Itron strongly recommends running a separate vent line for each regulator. Headers with various installed devices can cause regulator malfunction. Caution Ensure the end of the vent line is away from ANY potential ignition sources. It is the installer s responsibility to verify the vent line is exhausting to a safe environment. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

INSTALLATION Warning Itron does not endorse or warrant the completeness or accuracy of any third party regulator installation procedures or practices, unless otherwise provided in writing by Itron. Follow your company's standard operating procedures regarding the use of personal protection equipment (PPE). Adhere to guidelines issued by your company in addition to those given in this document when installing regulators. a. b. c. d. e. f. g. Remove all shipping plugs from the regulator inlet, outlet, and vent before installation. Verify the piping interior and regulator inlet and outlet are clean and free of dirt, pipe dope, and other debris. Dirt and other foreign materials entering the regulator can cause a loss of pressure control. Apply pipe joint sealant to the male pipe threads. Do not use pipe joint material on the regulator's female threads. Joint sealant could become lodged in the regulator and cause a loss of pressure control. Gas must flow through the regulator's valve body in the direction cast on the regulator body. Gas flowing in the wrong direction can overpressure and cause damage to the regulator. The pilot diaphragm casing can be mounted in any position relative to the body through a full angle at 90 increments. When the regulator is installed OUTDOORS, the vent must always be positioned so that rain, snow, moisture or foreign particles cannot enter the vent opening. Itron recommends positioning the pilot vent downward to avoid entry of water or other matter which could interfere with the proper operation of the regulator. The vent should be located away from building eaves, window openings, building air intakes and above the expected snow level at the site. The vent opening should be inspected periodically to insure it does not become blocked by foreign material as outlined in DOT PHMSA-RSPA-004-986. When the regulator is installed INDOORS, the vent must be piped to the outside atmosphere using the shortest length of pipe, the fewest possible pipe elbows, and a pipe diameter as large as the vent size or larger. USING VENT PIPE SMALLER THAN THE VENT CONNECTION LIMITS THE REGULATOR S INTERNAL RELIEF VALVE CAPACITY. The outlet end of the pipe must be protected from moisture and the entrance of foreign particles. The regulator should be specified by the user with the size vent and pipe threads desired to make the vent pipe connection. START-UP PROCEDURE a. b. c. d. Mount a pressure gauge downstream of the regulator to monitor the downstream pressure. With the downstream pressure valve closed, slowly open the inlet valve. The outlet pressure should rise to slightly more than the setpoint. Verify there are no leaks and all connections are tight. The regulator was pre-set at the factory to match order specifications. If necessary, adjust the outlet pressure by removing the seal cap on the top of the pilot spring housing and adjusting the ferrule or screw inside the pilot spring housing using a large flat-head screwdriver. With a small amount of gas flowing through the regulator, rotate the pilot ferrule clockwise to raise the outlet pressure or counter-clockwise to lower the outlet pressure. Replace the seal cap and check for leaks after the desired outlet pressure is achieved. The regulator is ready for operation. SAFETY WARNING This product, as of the date of manufacture, is designed and tested to conform to all governmental and industry safety standards as they may apply to the manufacturer. The purchaser/user of this product must comply with all fire control, building codes, and other safety regulations governing the application, installation, operation, and general use of this regulator to avoid leaking gas hazards resulting from improper installation, startup or use of this product. Itron strongly recommends installation by a qualified professional and periodic inspection of pressure regulators (inspections may be required by local applicable codes or regulations). Inspections should include checking for gas quality, cycle numbers, external environmental changes, and operating conditions that impact wear on the regulator's moving parts. To ensure safe and efficient operation of this product, replace worn or damaged parts found during inspection. www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90

ORDERING INFORMATION LIMITED WARRANTY Itron, Inc. 970 Highway 7 North, Owenton, Kentucky 409-9, warrants this gas product against defects in materials and workmanship for the earlier of one () year from the date the product is shipped by Itron or a period of one year from the date the product is installed by Itron at the original purchaser s site. During such one-year period, provided that the original purchaser continues to own the product, Itron will, at its sole option, repair any defects, replace the product or repay the purchase price.»» This warranty will be void if the purchaser fails to observe the procedures for installation, operation or service of the product as set forth in the Operating Manual and Specifications for the product or if the defect is caused by tampering, physical abuse or misuse of the product.»» ITRON SPECIFICALLY DISCLAIMS ALL IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE. UNDER NO CIRCUMSTANCES WILL ITRON BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND WHATSOEVER.»» Itron s liability for any claim of any kind, including negligence and breach of warranty for the sale and use of any product covered by or furnished, shall in no case exceed the price allocable to the product or part thereof which gives rise to the claim. Specify:. Inlet and Outlet Connection Size and Type. Model Number. Outlet pressure desired 4. Pilot needed. Inlet pressure range 6. Type of gas and maximum capacity required 7. Assembly position number (see chart below) 8. Special requirements such as tagging, /8 pipe plug tap, seal wire, etc.»» In the event of a malfunction of the product, consult your Itron Service Representative or Itron Inc., 970 Highway 7 North, Owenton, Kentucky 4099. See Itron Terms and Conditions of Sale for the full and complete terms of the Limited Warranty. At Itron, we re dedicated to delivering end-to-end smart grid and smart distribution solutions to electric, gas and water utilities around the globe. Our company is the world s leading provider of smart metering, data collection and utility software systems, with over 8,000 utilities worldwide relying on our technology to optimize the delivery and use of energy and water. To realize your smarter energy and water future, start here: www.itron.com CORPORATE HEADQUARTERS N Molter Road Liberty Lake, WA 9909 USA Phone:.800.6.46 Fax:.09.89. While Itron strives to make the content of its marketing materials as timely and accurate as possible, Itron makes no claims, promises, or guarantees about the accuracy, completeness, or adequacy of, and expressly disclaims liability for errors and omissions in, such materials. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, and fitness for a particular purpose, is given with respect to the content of these marketing materials. Copyright 0, Itron. All rights reserved. 006SP-0 0/ www.mvandc.com sales@mvandc.com Phone: 877.66.87 Fax: 9.407.90