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Model 243 Capacity Tables

⁄

” Models 243-12-1 and 243-12-2 in SCFH of Natural Gas

(0.6 Specific Gravity - 14.65 psia - 60ºF)

Outlet Pressure

and Spring

Set Point 6” w.c.

1” w.c. Droop

Red Spring

⁄

” to 6

⁄

” w.c.

143-16-021-03

Set Point 7” w.c.

1” w.c. Droop

Blue Spring

5” to 8

⁄

” w.c.

143-16-021-04

Set Point 11“ w.c.

2” w.c. Droop

Green Spring

6” to 14” w.c.

143-16-021-05

Set Point 18” w.c.

3” w.c. Droop

Orange Spring

12” to 28” w.c.

143-16-021-06

Inlet

Pressure

psi

⁄

”

1”

⁄

”

⁄

”

⁄

”

⁄

”

Orifice Size and Valve Angle

⁄

100

125

⁄

100

125

100

125

100

125

2000

2800

4000

6100

8200

9300

1800

2600

3800

5700

8200

9300

2700

4000

6000

8800

10000

1800

3000

5600

8600

10000

1600

2500

3500

5600

7700

9300

11000

1550

2300

3300

5100

7600

9100

11000

2300

3500

5600

8200

9800

11500

1300

2800

5200

7700

9300

11500

1300

2100

3200

4800

6500

7400

9100

10500

12000

1100

1850

2600

4200

6000

7000

8400

10000

10500

1900

2700

4500

6500

7700

9700

11500

12500

1100

2200

4200

6000

7400

9100

11000

12500

700

1200

2100

3700

5600

6800

8100

9800

11000

12000

600

1100

1900

3300

5400

6600

7800

9500

10500

11500

12000

1100

1900

3500

5500

6800

8100

9700

11500

12000

12500

800

1500

2600

4300

5800

7800

9500

11000

12500

13000

500

800

1300

2200

3100

3900

5100

7100

9300

10500

11000

500

750

1250

2100

3100

3900

5100

7100

9300

10500

11000

750

1200

2100

2900

3800

5100

7100

9300

10500

11000

500

1000

1800

2900

3800

5100

7100

9300

10500

11000

400

600

1000

1400

1750

2400

3200

4400

5600

7000

8000

400

600

1000

1400

1750

2400

3200

4400

5600

7000

8000

400

600

1000

1400

1750

2400

3200

4400

5600

7000

8000

500

950

1400

1750

2400

3200

4400

5600

7000

8000

Note: The performance data is based on normal testing at 70

F flowing temperature.

Changes in performance can occur at extreme low flowing temperatures.

Last capacity figure in each group indicates maximum allowable inlet pressure (except for emergency conditions). Heavy
stepped line indicates the recommended maximum capacity and inlet pressure for each orifice for operation within the

optimum performance

range.

Содержание 243

Страница 1: ...Model 243 Service Regulators R 1306 Rev 10 ...

Страница 2: ...ulator Regulator with Internal Relief Valve IRV Regulator with Low Pressure Cut Off LPCO Regulator with both IRV and LPCO High Pressure Regulator Pressure Loaded Regulator 243 8 1 243 8 2 243 8 4 243 8 6 243 8HP 243 8PL For additional information on IRV refer to page 5 For LPCO refer to page 6 The term standard refers to non IRV configurations Spring Color 243 12 243 8 Outlet Pressure Range Spring...

Страница 3: ...s in the tables on pages 8 to 19 The 243 will hold outlet pres sure within the indicated per centage limits from set flow 250 scfh to the flows given in the capacity tables Percent ages are all based on absolute pressure using 14 4 psia as atmospheric As an example referring to page 10 a 11 2 Model 243 12 2 with 1 orifice 30o valve 15 psig inlet and 11 w c set point green spring at 2 w c droop has...

Страница 4: ...Class B Die Cast Aluminum Alloy Diaphragm Case Light Weight High Strength Corrosion Resistant A travel stop is located in the 243 12 1 and the 243 12 4 to provide overpressurization protection Caution Turn gas on slowly If an outlet stop valve is used it should be opened first Do not overload the diaphragm with a sudden surge of inlet pressure Monitor the outlet pressure during start up to prevent...

Страница 5: ...ately 20 w c above set point A cross section of a complete 243 with IRV is shown on page 6 Performance is given on the curves at the right The IRV will prevent the outlet pres sure from exceeding the value shown by the curves upon regulator failure at the condi tions specified The IRV is a proven design of quality construction Within its capacity limits it adds a meas ure of safety protection to t...

Страница 6: ...manually reopened and reset Basic Models are given in the table at the bottom on page 2 Note There is an LPCO version that also includes the internal relief valve Outlet pressures range from 4 w c to 30 w c and available ori fices are 1 2 3 4 and 1 For more complete information and capacities please refer to data bulletin RDS 1306 1 Pressure Loading While pressure loading self operation falls shor...

Страница 7: ... with the external control line are provided on pages 12 and 13 Pilot Operated Regulator The 243 RPC is a genuine pilot operated regulator It works on exactly the same relay operation principle as the widely used models 1100 and 1200 and the 441 VPC Like its bigger brothers it not only provides remarkably precise pressure regulation but it maintains that high level of accuracy even for wide variat...

Страница 8: ...000 20000 20000 1250 2100 3800 6500 9000 10300 11500 13000 15000 1100 2000 3200 6000 8400 10000 11500 13500 15000 1950 3400 6900 9200 10500 12000 14500 15500 800 1300 2200 3800 5700 7100 9500 13000 13000 13000 13000 700 1200 2000 3700 5600 7100 9500 12000 13000 13000 13000 1150 2000 3500 5500 7000 9500 12500 13000 14000 14000 500 850 1400 2300 3300 4000 5300 7500 10000 12000 12000 12000 500 750 12...

Страница 9: ...00 9800 21500 1200 2400 4700 7500 9500 11500 13500 15000 4000 6000 8000 10000 11500 13000 15000 1900 3900 6500 8300 11000 14000 15500 4800 7800 10000 13500 16500 16500 1800 5000 7000 9000 20000 21000 950 1500 2800 4800 6500 9200 12000 13000 14000 14000 2000 4000 5500 7000 9500 11000 13500 15000 16000 1200 2400 4100 5600 8500 12500 13000 14000 14000 2900 4800 6500 9000 12500 15500 16000 16000 1400 ...

Страница 10: ...7000 8400 10000 10500 1900 2700 4500 6500 7700 9700 11500 12500 1100 2200 4200 6000 7400 9100 11000 12500 700 1200 2100 3700 5600 6800 8100 9800 11000 12000 12000 600 1100 1900 3300 5400 6600 7800 9500 10500 11500 12000 1100 1900 3500 5500 6800 8100 9700 11500 12000 12500 800 1500 2600 4300 5800 7800 9500 11000 12500 13000 500 800 1300 2200 3100 3900 5100 7100 9300 10500 11000 11000 500 750 1250 2...

Страница 11: ...00 5700 7100 9300 11000 12500 2000 5000 7000 8000 11500 14000 4100 7100 8800 11000 13500 15000 2000 4000 5500 7000 9500 11000 13500 15000 16000 1200 2400 4000 5300 7300 9300 11000 12500 13000 1400 2500 3500 4800 6500 8000 9000 12000 2700 4700 6200 8600 11000 13500 15000 16000 1300 2200 3000 4000 5500 7400 10000 13000 14000 14000 850 1600 2700 3700 5100 7100 9300 10500 11000 11000 1100 2000 2500 45...

Страница 12: ...000 16000 21000 27000 1500 2000 3000 5000 7000 9400 13500 17000 19000 1900 3200 5200 8000 11000 14000 21000 25000 800 1300 2000 3500 5200 6700 9000 12000 15500 17000 19000 700 1100 1700 3100 4800 6400 8500 11500 15000 17000 19000 1100 1800 3200 5000 6500 9000 12000 15000 17000 19000 500 850 1400 2200 3000 4000 5200 7500 10000 12000 13500 15000 450 750 1200 2000 2900 4000 5200 7500 10000 12000 1350...

Страница 13: ...4100 6200 8000 11500 15000 20000 1700 4000 5800 7600 10500 15000 20000 5300 7500 10500 14000 20000 25000 900 1500 2700 4200 5800 8000 11000 15000 17000 19000 1300 2600 4000 5400 7500 10500 15000 17000 19000 2700 4500 6000 8500 12000 15000 17000 19000 600 1000 1600 2800 3800 5000 7000 9800 12000 13500 15000 850 1600 2800 3800 5000 7000 9800 12000 13500 15000 1900 2900 3800 5000 7000 10000 12000 135...

Страница 14: ... 1550 2700 4500 5800 7200 9200 11000 11500 650 900 1350 2350 3900 5000 6600 9000 11000 11500 1000 1400 2600 4200 5500 7500 9600 11000 11500 500 750 1000 1900 3000 3800 5100 7100 9300 10500 11000 400 650 950 1600 2500 3500 5100 7100 9300 10500 11000 650 1000 1750 2800 3600 5100 7100 9300 10500 11000 350 550 950 1350 1700 2400 3200 4400 5600 7000 8000 300 450 770 1250 1700 2400 3200 4400 5600 7000 8...

Страница 15: ... 6500 8000 9500 11500 12500 1200 2100 3100 4400 6500 8600 10500 11500 1200 1800 2850 3600 5000 8300 10000 2400 3600 4800 6500 9600 12500 13500 550 900 1350 2400 3400 5100 7100 9400 10500 11000 1200 2200 3000 4000 5000 7000 9500 11500 12500 850 1300 2200 3000 4400 6700 9000 10500 11000 1100 1500 2000 3100 4200 6500 8500 9000 1600 2400 3400 5000 7000 9300 11000 12000 450 850 1300 1700 2400 3200 4400...

Страница 16: ...0 2250 2950 3450 4400 5300 700 1050 1500 2200 2900 3600 3800 4100 4800 5600 650 900 1300 1900 2600 3100 3600 4000 4600 5600 1000 1350 2200 2700 3950 4000 4200 4850 5850 800 1250 1700 2250 3600 3750 4100 4800 4850 500 750 1000 1900 2650 2700 3300 3800 4400 5600 6000 400 650 950 1600 2200 2500 3300 3800 4400 5600 6000 650 1000 1750 2450 2600 3300 3800 4400 5600 6000 500 900 1350 2100 2450 3300 3800 ...

Страница 17: ...0 5000 6000 7500 8000 1850 2100 2700 3150 4150 5300 1200 2000 3300 4700 6300 2200 3600 3800 5000 6300 1800 3000 4000 5100 6400 7400 8000 8500 1150 1700 2000 3100 3250 3800 4600 4650 1000 1800 2800 3300 4900 5800 6500 1950 2300 3400 3900 4300 5500 5500 1200 2000 3000 3900 4500 6100 7350 8000 8500 850 1350 1950 2050 2850 3600 4250 5600 6000 800 1400 1800 2300 2800 5000 6400 6500 1650 2150 2350 3250 ...

Страница 18: ... 1700 3500 6000 8100 10000 12000 4000 7000 10000 13900 15000 16500 1700 3300 5400 7000 10000 12000 1600 3000 4000 5000 9000 3300 5800 7500 10500 13000 800 1250 2300 3700 5600 8200 11500 13500 14000 3000 4000 5500 7750 9000 11500 15000 17000 1200 2200 3500 4600 7400 10500 12500 13500 1400 2000 2600 3900 6500 10000 14000 2400 3600 4800 8000 11000 14000 15000 600 950 1400 2400 3800 5600 7400 10000 11...

Страница 19: ...00 3500 5000 8000 11500 15000 17500 2000 3500 5500 7500 9000 4000 7000 10000 14000 17000 2300 3200 4800 6100 8700 10000 11000 1600 2200 3500 5000 6500 8500 10500 2500 3500 5000 7500 9500 12500 15500 1300 2500 4300 6000 7500 9500 2500 4500 7500 10000 12000 15000 1300 1700 2400 3200 4400 5600 7000 8000 1000 1500 2000 3000 4000 5000 5500 5500 1300 1700 2300 3300 4500 5500 7000 7000 1000 1900 2500 350...

Страница 20: ...sts of two reg ulators in series as shown The monitor is the standby It takes control if a failure in the operating regulator causes outlet pressure to exceed normal Either regulator may be used as the monitor In both cases the upstream regulator must have a blocked throat and external con trol line as shown for the 243 on page 7 Also the control line for the upstream regulator connects into the o...

Страница 21: ...rams at right as guides to specify vent diaphragm case and body arrangement Example Position 105 would be D 4 Y CAUTION It is the user s responsibility to assure that all service regulator vents and or vent lines exhaust to a non hazardous location away from any potential sources of ignition Refer to Bulletin RM 1306 for more detailed information Model A B B1 C C1 C2 D E F G Shipping Weight 243 12...

Страница 22: ...92 520 1100 1800 2480 KP1 2 P1 P0 P1 P0 Other Cases 243 Regulators are mainly used on natural gas However they perform equally as well on LP gas nitrogen dry CO2 air and oth ers For capacities multiply the table values on pages 8 thru 19 by the following correction factors While used primarily on natural gas services Model 243 regulators perform equally as well on LPG vapor air CO2 nitrogen and ot...

Страница 23: ...nd buildings Appropriate for double stage reduction ahead of service regulators and for high pressure burners and compressed air systems 046 Bulletin R 1312 3 4 1 11 4 pipe sizes Inlet pressures to 1000 psi Outlet pressures 3 to 200 psi Capacity to 40 000 SCFH Optional monitor and internal relief valve 141A Bulletin R 1311 2 pipe size Inlet pressures to 1500 psi Outlet pressures 5 to 400 psi Capac...

Страница 24: ...A 15801 www sensus com NUPP 5 07 3M PRINTED IN U S A Sensus Metering Systems 805 Liberty Boulevard DuBois PA 15801 814 371 8000 FAX 814 375 8460 www sensus com Representatives in all principal cities Distributors throughout the world Authorized Distributor ...

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