Industrial Regulator Series 1800/2000

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1 E S 85. Industrial Regulator Series / M Quality System QMI is ccredited by: R E I T ISO 9 Registered R E NSI R G I S T R R utch ouncil for ccreditation Measurement Engineers Since 86

2 merican Meter Series and Worker/Monitor Regulators Worker/Monitor sets are commonly used to provide overpressure protection. worker/monitor installation consists of a monitor with an external static connection and a worker with an internal static connection. The regulator selected to be the monitor is set at " to 5" w.c. above the worker. The external static connection is connected at a point free of turbulence and preferably a minimum of five pipe diameters downstream. Improved Features and Series Monitor onversion merican Meter offers four industrial monitor regulators the M, M, 88M and 8M. esign improvements now enable all models to be configured as Monitor Regulators. This change was effective with all and Series Regulators manufactured after January 99. The advantage is that two models of the same regulator need not be stocked. ll models are pre-machined to accept a monitor conversion kit. Refer to IMP 87 for kit numbers and installation instructions. When a regulator with an OPSO is converted to a monitor, a sense line must extend downstream of the worker, as shown in the diagram to the right. ONTROLLING MONITOR /" Typical Upstream Monitor Installation

3 The merican Meter Industrial Regulator Monitor onversion The body and valve head are premachined to allow easy conversion to a monitor model. See page for more information. Rugged onstruction Valve heads are ductile iron which prevents thread damage. vailable as -/" and " screwed, and " flanged connections. NSI, SP and IN connections available. Springs The Series spring ranges from.5" w.c. to 5 outlet pressure. Series spring ranges from / to 5 outlet pressure. See page. Interchangeable Orifice vailable in sizes from /" through -/" for a wide range of flow rates. One orifice is offered for both standard and OPSO models to minimize spare-parts inventory. OPSO Overpressure Shutoff for positive protection of public buildings such as schools, churches, etc. See page 5. Maintenance Three setscrews hold diaphragm case to the valve head, providing the easiest orifice and seat disc inspection in the industry. Pressure Taps The and Regulators have inlet and outlet pressure taps. Relief Vent " vent for Full Relief overpressure protection in three models, such as the 8. Partial Relief has " vent and Series has /". See page 7 for relief performances. urability ast-aluminum top and bottom diaphragm case for long service life. UPSO Snap-acting lever for underpressure shutoff protection when line pressure drops drastically.

4 merican Meter Regulators Other Features 8 Partial Relief Series low-pressure models have a maximum inlet pressure of 5 and offer outlet pressures ranging from.5" w.c. to 5. Series high pressure models allow a maximum inlet pressure of 5 and outlet pressures ranging from.5 to 5. The Series can be ordered as Full Relief, Partial Relief or No Relief Regulator as shown in the table. Series Regulators are non-relieving. oth models are available with Overpressure Shutoff, Underpressure Shutoff and monitor capabilities. Low Pres. Model imensions Numbers escription *E Standard Regulator.75" ".75" 6".5" M Standard Monitor Regulator.75" ".75" 6".5" 8 Partial Internal Relief Regulator.75" ".75" 6".5" 8 Full apacity Internal Relief Regulator.75" ".75" 6".5" 8 Underpressure Shutoff.75" ".75" 6".5" 8 Underpressure Shutoff with Partial Internal Relief.75" ".75" 6".5" 8 Underpressure Shutoff with Full Internal Relief.75" ".75" 6".5" 8 Overpressure Shutoff with Partial Internal Relief.75" " 5.6" 9.87".5" 8 Overpressure Shutoff with Full apacity Internal Relief.75" " 5.6" 9.87".5" 85 Overpressure and Underpressure Shutoff with Partial Internal Relief.75" " 5.6" 9.87".5" 85 Overpressure and Underpressure Shutoff with Full apacity Internal Relief.75" " 5.6" 9.87".5" 88 Overpressure Shutoff.75" " 5.6" 9.87".5" 88M Overpressure Shutoff with Monitor.75" " 5.6" 9.87".5" 89 Overpressure and Underpressure Shutoff.75" " 5.6" 9.87".5" High Pres. Model imensions Numbers escription *E Standard Regulator 8.9" ".75" 6".5" M Standard Monitor Regulator 8.9" ".75" 6".5" Underpressure Shutoff 8.9" ".75" 6".5" 8 Overpressure Shutoff 8.9" " 5.6" 9.87".5" 8M Overpressure Shutoff with Monitor 8.9" " 5.6" 9.87".5" 9 Overpressure and Underpressure Shutoff 8.9" " 5.6" 9.87".5" * " flange valve head is an option; contact Sales Office for information. No Relief Low Pressure E High Pressure E

5 merican Meter UPSO OPSO OUPSO Regulator Safety Features vailable Exclusively From merican Meter On Series and Industrial Regulators Pressure control and automatic shutoff devices for the protection of public buildings, schools, theaters, hospitals, etc. are available in one complete package on several and Series Industrial Regulator models (see page 5). Installing one of these regulators provides automatic protection against possible extreme variations in either inlet or outlet gas pressure. UPSO The UPSO (underpressure shutoff) models provide complete shutoff protection in case of severely interrupted inlet gas pressure. If the inlet or outlet pressure is severely interrupted, causing the regulator to stroke to a full-open position, the shutoff closes, providing complete system safety. The shutoff valve remains closed until manually reset. How The UPSO Operates When gas pressure under the main diaphragm falls below normal, the shutoff device is tripped and the spring, connected with the valve plunger, forces the valve seat against the orifice closing off gas flow. The UPSO must be manually reset to re-establish gas flow. Figure To reset the underpressure shutoff device (Figure ), unscrew the reset plug with a wrench. When it becomes free of the threads, pull it out until it engages the reset mechanism. With the wrench, turn the reset shaft clockwise until the reset mechanism is engaged. Hold firmly in this position until normal pressure is established under the diaphragm and downstream line, and regulator operation is restored. Screw in the reset plug and tighten. Overpressure Shutoff (OPSO) in cocked position Overpressure Shutoff (OPSO) in tripped position OPSO Overpressure shutoff regulator models prevent excessive gas pressure from entering a building causing a hazardous condition. The shutoff device closes if the regulator outlet pressure rises above a maximum set point or set pressure. How The OPSO Operates When line or static pressure increases to the specified overpressure shutoff setting, the pressure on the under side of the shutoff diaphragm over-balances the spring, forcing the diaphragm stem outward, releasing the plunger. This permits the shutoff spring to force the shutoff disc against the orifice, closing off gas flow. The OPSO assembly is part of the regulator but is not connected to the regulator operating mechanism. When selecting a shutoff spring, a minimum differential of " w.c. between normal operating pressures and the shutoff pressure setting should be provided. To reset the overpressure shutoff device, unscrew the seal cap, which opens the regulator orifice, permitting gas flow. Pull out on the seal cap until the overpressure shutoff device latches completely. Tighten the seal cap. o not trip the shutoff valve unless the seal cap is installed. OUPSO Overpressure and underpressure shutoff models combine both safety features for maximum protection. On these models, when the OPSO shuts off, the UPSO automatically trips, providing double assurance of positive gas shutoff. The overpressure shutoff device must be reset first followed by resetting the underpressure shutoff device. 5

6 apacity ata OUTLET PRESSURE INHES W.. OUTLET PRESSURE INHES W " Orifice - Set pressure 7." w.c. at SFH Spring Range 5.5" to 8." 9 5.5,,,, 5, 6, 8, 9,,,,,, RTE OF FLOW - S..F.H. -.6 SP.GR.GS -.7 P.S.I F. " Orifice - Set pressure 7." w.c. at SFH Spring Range 5.5" to 8." 5 6.5,,,, 5, 6, 8, 9,,,,,, RTE OF FLOW - S..F.H. -.6 SP.GR.GS -.7 P.S.I F. merican Meter Model 8 Regulator (-/" and " sizes) Full Relief Valve haracteristics Test performed with orifice valve blocked in wide open position. " screened vent-no vent pipe. Numbers in each circle indicate orifice size. 7" W.. - Set pressure / 7 5 / / " W.. - Set pressure / 5 / / 7 OUTLET PRESSURE (PSIG) 8 6 OUTLET PRESSURE (PSIG) 8 6 / / INLET PRESSURE (PSIG) INLET PRESSURE (PSIG) 9 PSIG - Set pressure / / 5 7 / 5 PSIG - Set pressure / 7 5 / / OUTLET PRESSURE (PSIG) 8 6 / OUTLET PRESSURE (PSIG) INLET PRESSURE (PSIG) INLET PRESSURE (PSIG) 9 6

7 -/" Series apacity ata SFH Gas.6 Specific Gravity 7P7.5" to 6" w.c. Set: 6" w.c. roop: " w.c. Max. ompound: " w.c. 7P9 8.5" to " w.c. Set: " w.c. roop: " w.c. 7P.5" to 8" w.c. Set: roop: 6" w.c. 7P to Set: roop:.6 -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /",,6,, 9 55 /,9,55,,, 6,85,,,,, 75,75,,85,,,5 7,,5,9,7,,7,,75,,6,6,,,,5,9,,,5,,,5,9,,,5,, 5,7 5,,,,,9,, 5 5,7 5,,,,,95,, 7,5 6, 6,,,,,55 7, 6, 6, 5,,,,6 9, 7,9 7,5 6, 5,,85,9 5 9,5 7, 7,5 6, 5,5,85,9 9, 8,7 7, 6,,6, 9, 8,6 7,5 6,,55,,75, 9, 7,7 5,9,85,,7 8,9 8, 5,,,, 9, 7,,,, 9, 7,5,, 9,,5 6, 9,,5 5,85 5, 8, 8, -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /",,,,5 5,, 6, 5, 8, 7,6 9,,9,,55,5 6,6 8, 9,5,,5,, 6, 7, 9,,,,55,6 5, 6,5 7,5,,7,,, 5, 6,5 75,,,,9,,5,,5,85,5 5 5,55,,,,75, 5,7 5, 8, 7, 9,,7,6,, 6, 8, 9,6,5,,, 6, 7,6 8,,,9,5,,9 6,5 7,5,,5,,6, 5, 6, 7,,5,,,7,,,5,9,,, 9, 8, 5,,7,, 9, 8, 5,6,,7, 9,5 7,,,, 9, 7,,,9,5 9,6,5 6,, 9,,5,, 5,7 8,,, 5,7 8, -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /" 6,,9,,,,,5 8, 6,65 5,6,7,,,, 5 7, 5,,9,,6,,75 9, 9, 8, 6,,9,,5, 9, 7, 5,9,7,9,5,, 8,7 7, 6,,7,9 5,,5 9,75 8,7 7,6 6,,,9,7,, 9, 7,,,5,9,,9, 9,5 7,,7,,,,6 9, 5,6, 5,,85,, 9,5 6,, 5,6,9,7,9 7,, 5,,85,6 7,, 6, 6,, 9,,7 6 9,6 8, 7, 5, 9,,6 6,,5 5, 8,9 7,7,5 5,,, 8, 8, -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /",,,9,9,,, ,6 5, 5, 5,,5,5,, 5,6,,,7,,,, 7,9, 9,7 6,55 8, 6,55 8,, 5,, 5,,,,6, 5 9,5 7,6, 9,75 6, 7,6 6, 7,6, 6,, 5,,,85,,,,,,, 8, 9, 8, 9,,,9 6,,5,7,5,5,, 8, 9, 7, 8,7 5,,9 6,5,5,9,9 8,, 6 7, 7,,7, 8,9,9 5,5 5,5,85 6,,7 7,5 8, 6, 5,, 6,,7 7,5 8, -/" " 7" /" 5" /" " /",5,,,,,, 7P6 7, 5, 5,,5,7,,, 8,6 7, 6, 5, 5,,5,,6.5 to.5 9,9 8,6 6, 6,7,,5, Set:.5,6 8,7 8, 8, 5,9,,6 roop:.,, 9,7 6,9 5,6,,,,, 7,,,,7, 9, 5,,5 6, 7,5 For optimum performance, regulator should be operated above solid line. For UPSO Models, use only above dashed line P8 5.5" to 8" w.c. Set: 7" roop: " Max. ompound: " w.c. 7P9 8.5" to " w.c. Set: " roop: " w.c. 7P to Set: roop:. 7P to 5 Set: 5 roop: ontact your merican Meter representative for inlet pressures above.

8 " Series apacity ata SFH Gas.6 Specific Gravity For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 7P7,5,,,,6,5 /,5,,,9,,6 5, 9 5,6 5,,,,9,,65,.5" to 6" w.c. 8,9 6, 5,,,,,,6 Set: 6" w.c.,, 8, 5 7, 5,,,9,, roop: " w.c. 6,5,, 8, 6,,,,65 Max. ompound: " w.c. 6,5 5 6,, 9, 6,6,,95 9, 5,7,7 8,,6, 6, 8,5,5, 7,7 5,9 7, 9,6,85,,5 5,85 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 7P8,9,,6,7,, /,,,5,,,6 5,5 75 5,6,,,5,7,,6,5 5.5" to 8" w.c. 8,5 6, 5,,5,6,,,5 Set: 7" w.c.,, 8, 5 5,,,9,, roop: " w.c. 5,7,,5 8, 6,,,,6 Max. ompound: " w.c. 7,5 6, 5 5,,5 9, 6,,,9 9, 9, 5,5, 7,,6, 6, 8,5,,5 7, 5,9 7, 9,6,,,5 5, 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 7P9, 5,,7,,,,,5,7,7,6,,,5 75, 7, 5,7 5,,5,6,,,5 8.5" to " w.c.,5 8,5 7, 5 6,,,,6,, Set: " w.c. 5,,, 8, 6,,,9,6 roop: " w.c. 9, 6, 5 5,, 8, 5,,,9 6 8,, 7,9,, 8, 7,,, 7,, 5,7 9,,,,,,5 5,7 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 7P9,7,5,,,,,,,5,,5, 9, 75, 6, 5,,,,,7,, 8.5" to " w.c.,6 7,6 6, 5 5,6,,6,5,, Set: " w.c. 9,,,6 9, 7, 5,,,,6 roop: " w.c. 9, 6, 5,, 7,9 5,5,7,9 7,7, 9,5 7,,, 7, 5, 9, 5,6, 8,,, 6 7, 9,,5, 5,7 8, For optimum performance, regulator should be operated above solid line. For UPSO Models, use only above dashed line. 8 ontact your merican Meter representative for inlet pressures above.

9 " Series apacity ata SFH Gas.6 Specific Gravity For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /", 8, 5,5 7,7,6 8,,6 6,9,9 5, 5 5 6,5 6,,6, 7,,5 5, 7,9,5, 8,,, 6,5 8,6,5, 8,,,7,5 6, 7,6,,6 7,,5,,,7, 5,6 6,7 9,,5,,,6,9,,,,7 5, 8, For Models With lue Holder Without OPSO For Models With Silver Holder Without OPSO For Models With Silver Holder With OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 7,6 6, 5, 5 5,,6,6,6,,,, 8,9 8, 7,6 5,9,,,6 5,,6 5,, 7,6 5,,7,9 9, 5,,5,5 9,5 7,,, 6,, 9, 5,6, 7,, 6,7, 6 7, 9,,6,5 5,, 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 5,,6,9 5,,7,5,6, 9, 7, 6, 6,5 5,,,9,,,, 9, 5 9, 6, 5,,,,6 8,5,,, 8, 5,,6, 9, 7,5 5,5,, 7,6 5,,6,7,7 7,, 9, 6,, 6,7 5,9,6, 8,9, 8,, 9,,6 5,6, 6, 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /", 7,6,,, 5, 8,,5,, 5, 6,6 8,6, 5 5 6, 5, 6,6 8,,,, 5, 6,6 8,,,,,5, 5, 8,,,5 9,,,5, 5, 8,,,5 9,,,,,6, 6, 8,,9, 75,,,,9,5, 6, 7,5 8, For Models With lue Holder Without OPSO For Models With Silver Holder With OPSO For Models With Silver Holder Without OPSO For Models With Red Holder With OPSO -/" " 7" 7" /" 5" /" " /" 8, 6, 5, 5, 5,,,,,, 8,6 7, 5 5,,,,,5, 9, 8,7 8,7 6,5 5,,, 5,,,, 8, 7, 5,,9 5,6 5,6, 9,5 6,5,5 6 5,5, 8,9,9, 6,,7 7,5 8, 7P.5" to 8" w.c. Set: roop: 6" w.c. 7P to Set: roop:. 7P6.5 to.5 Set:.5 roop:. 7P to Set: roop:.6 7P to 5 Set: 5 roop: For optimum performance, regulator should be operated above solid line. For UPSO Models, use only above dashed line. 9 ontact your merican Meter representative for inlet pressures above.

10 -/" Series apacity ata SFH Gas.6 Specific Gravity " Series apacity ata SFH Gas.6 Specific Gravity 7P / to Set: roop: 6" w.c. 7P to -/ Set: -/ roop: / 7P -/ to 5 Set: 5 roop: 7P 5 to Set: roop: 7P to 5 Set: 5 roop: ll Models With lue Holder -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /" 5,9,5,5,,9,9, 5,7 7,5 6,,7,,5,9,, 8,7 7, 6, 5,9,5,7,5 8,,9, 7, 6,5,,,5,,6 7,9 7,9 7,65 5,,7, 5 7,5, 9,9 8, 5,5,7,,,75, 9,5,5, 8,,, 6,,5, 5,,,, 9, 5,7, 5, 9, 5,7, 5,6,9,,6 7,, 9,, 7,, 6, 6,,5 9,,6 6 6, 9,,6 8, 8, 5,, 5,9, 5,9, 7,,9 7, 8,5 8,5 ll Models With lue Holder -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /" 6, 5,,,,5,, ,5 5,,9,,,,7 9,5 8, 7,5 6,5 5,5,,7,,, 8, 6, 5,,,7,,,6 9, 8, 7,5 5,5,6, 5 9,,7,7 9, 7,5 5,,6, 5,,5,, 8,9 6,,5, 7,,, 9,5 6,,5, 6,5,6,,5 9, 5,7, 5,, 8,9 5,7, 7,7 5,,,9 7,, 9, 6,7, 7,, 8, 7,5,7 9,6,6 6 6, 9,6,6 6,, 5,9, 5,9, 7,, 7, 8,5 8,5 ll Models With lue Holder -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /", 8, 6,6 6,,,,,,7 9, 7,5 6,,,6,,,, 9, 8, 6,7 5,5,, 5 6,,, 8, 6,7 5,,, 6,,,,7 8,,, 6,7,6, 8,7 6,,, 8, 5,,, 9,5 5,5, 8,9 5,5, 9, 5,5, 9,5 7,,9, 6,7, 9,6 5,7, 6,7, 9, 5, 9,,6 6 6, 9,,6 9,, 5,9, 5,9, 7,,6 7, 8,5 8,5 ll Models With lue Holder -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /", 8,5 6, 5,,,,5 5,7 8,7 7, 6, 5,,7,,5,,5 9, 8, 6,6 5,,5,,,, 8, 6,7 5,,5, 6,,5, 9,7 7,7 5,, 7,7 5,, 9, 7, 5,, 7,6 5,,, 6,6, 9, 5,7, 9,5 6,6, 7,, 9,,6 6 8,, 9,,6 7,,7 5,9 7,,7 5,9, 7,, 7, 8,5 8,5 ll Models With lue Holder -/" " 7" /" 5" /" " /" -/" " 7" /" 5" /" " /",9, 8,5 7, 5,9 5,,,,9, 8,9 7,5 6,,5,, 5,,9, 9,5 7,,9, 7,6,6, 9,7 7,,9, 7,9 5,,, 6,, 9, 5,5, 9,5 6,, 8,, 9,,6 6 8,,5 9,,6 9,5,7 5,9 7,6,7 5,9,5 7,,5 7, 8,5 8,5 For optimum performance, regulator should be operated above solid line. For UPSO Models, use only above dashed line. ontact your merican Meter representative for inlet pressures above.

11 merican Meter Regulator Parts SERIES LOW PRESSURE REGULTOR PRESSURE SPRINGS.5" to 6" w.c. 7P7 Red 5.5" to 8" w.c. 7P8 Orange 8.5" to " w.c. 7P9 Yellow.5" to 8" w.c. 7P Green to 7P lue.5 to.5 7P6 rown and lue to 7P rown and Green to 5 7P lack and Green SERIES HIGH PRESSURE REGULTOR PRESSURE SPRINGS.5 to 7P rown and White to.5 7P Purple and White.5 to 5 7P Orange and lack 5 to 7P lack to 5 7P Yellow and Green OPSO SHUTOFF SPRINGS " to 8" w.c. 77P75 Red and Purple to 77P76 Red and rown to 77P77 Purple to 5 77P78 Orange and Yellow 5 to 8 77P79 Orange and Green 8 to * 77P78 Orange and Yellow to * 77P79 Orange and Green *To achieve these ranges, reducing ring 766P must be used. / SERIES REGULTOR ORIFIE SIZES Valve Head Size Part Number -/" and " /" 798P -/" and " " 798P -/" and " /" 798P -/" and " 5" 798P -/" and " /" 798P -/" and " 7" 798P5 -/" and " " 798P6 -/" and " -/" 798P7 These orifices are double-sided and work with both OPSO and non-opso Models. REGULTOR REPIR KITS 799K Valve Seat isc 7P7 ody 7P6 iaphragm 7P ody Screw 7P ody Nut 7P Vent Flapper 76P Vent Flapper Retainer 77P Vent Screen 7P8 Isolation Plate (I..) 7P6 Isolation Plate (O..) 7P57 Valve Plunger 7P9 Valve Head Setscrew 7P6 7P6 7P5 Isolation Plate (I..) 7P78 Gasket 79P87 Gasket 79P9 Kit Services:, M,, 8, 8M, 9 799K** Isolation Plate 7P 7P78 7P57 7P9 Kit Services ll Regulators **For use in units built after January, K7** Valve Seat isc 7P7 ody 7P6 Seal Plug 7P7 iaphragm 7P68 ody Screw 7P ody Nut 7P Vent Flapper 76P Vent Flapper Retainer 7876P5 Vent Screen 7P5 Valve Head Setscrew 7P6 7P6 7P5 Gasket 79P9 Kit Services: 8, 8, 8, 85 **For use in units built prior to pril, K5** Valve Seat isc 7P7 ody 7P6 Seal Plug 7P7 iaphragm 7P ody Screw 7P ody Nut 7P Vent Flapper 76P Vent Flapper Retainer 7876P5 Vent Screen 7P5 Valve Head Setscrew 7P6 7P6 7P5 Gasket 79P9 Kit Services: 8, 8, 8, 85 **For use in units built after pril, K6 Valve Seat isc 7P7 ody 7P6 Seal Plug 7P7 iaphragm 7P ody Screw 7P ody Nut 7P Vent Flapper 777P Vent Flapper Retainer 7876P5 Vent Screen 7P Vent Screen Retainer 7876P Isolation Plate (I..) 7P6 Isolation Plate (O..) 7P57 Valve Plunger 7P9 Valve Head Setscrew 7P6 7P6 7P5 Isolation Plate (I..) 7P8 Kit Services: 8, 8, 8, 8M, 85, 85M,, M, 8, 88, 88M, K Valve Seat isc ody Seal Plug Kit Services ll Regulators 7P7 7P6 7P7

12 merican Meter Regulator ssembly Positions Valve Head Position STNR VENT POSITION Valve Head Position STNR VENT POSITION Valve Head Position STNR VENT POSITION STNR VENT POSITION Valve Head Position Full-Open Regulator apacity For sizing downstream relief valves, use the following formulas to determine the regulator full-open capacity: For critical flow rates For sub-critical flows Q =.5 x P G Key: Q = Maximum capacity of regulator = Orifice constant, see table P = absolute pressure (a) P = Outlet absolute pressure (a) h = ifferential pressure (P - P ) G = Specific gravity of gas Q = P h G Orifice /" " 6 /" 5" 6 /" 8 7", ",5 -/",5 STNR VENT POSITION Regulator ssembly Number VLVE HE POSITION * VLVE HE POSITION OPSO VENT POSITION ** ** ** * FOR MOELS USING OPSO ONLY. ** UNLESS OTHERWISE SPEIFIE, VLVE HE POSITION "" WILL E SUPPLIE. STNR VENT POSITION Shipping Weights Net Wgt. escription (Lbs.) -/" x -/" Screwed * 9-/ -/" x -/" Screwed 88 -/ -/" x -/" Screwed * 5-/ -/" x -/" Screwed 8 7-/ " x " Screwed * 9-/ " x " Screwed 88 -/ " x " Screwed * 5-/ " x " Screwed 8 7-/ * ll Models except OPSO. For Flanged Models add -/ lbs. Ordering Information. Model number.. Size of connection: screwed or flanged.. and outlet pressures.. Volume in scfh. 5. Kind of gas and specific gravity. 6. ssembly position. 7. Orifice size. 8. OPSO spring part numbers, if required. omplete Family of Gas Measurement, Pressure Regulation, and Testing Systems Turbine Gas Meters High-performance meters provide accurate measurement of highvolume gas flow. Turbines are available from " to " line sizes and line pressures up to g. See bulletin S 5 for more information. Rotary Gas Meters RPM Series Rotary Meters are designed for commercial and industrial loads to provide accurate flow measurement and outstanding performance in the most adverse conditions. See bulletin S 55 for more information. iaphragm Meters merican Meter s compact, lightweight, aluminumcase meters are designed to provide positive displacement accuracy for industrial or commercial loads. See bulletin S 5 for more information. Pilot-Loaded Regulators PFM industrial regulators are designed for applications requiring medium-to-high capacity, extremely precise outlet-pressure control, and fast response to changing loads. See bulletin S 855 for more information. merican Meter ompany is committed to a program of continuous quality enhancement. ll equipment designed and manufactured by merican Meter ompany benefits from the company s quality assurance standards, which are approved to ISO 9 or ISO 9. merican Meter ompany has a program of continuous product development and improvement; and, therefore, the information in this bulletin is subject to change or modification without notice. MERIN METER Welsh Road uilding One Horsham, P 9- U.S.. Phone: 5- Fax: 5-89 Website: americanmeter.com NIN METER 75 Industrial Road ambridge, Ontario, NH R7 anada Phone: 877/6-66 (toll free) Phone: 59/65-9 Fax: 59/65-97 Website: canadianmeter.com Printed in U.S.. ore 5 5/

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