Data Sheet

ManualsBrandsEmerson ManualsOtherCSB400

Bulletin 71.1:CSB400

Table 9. CSB400 Series Internal and Dual Sense (Pressure Registration) Flow Capacities for 20 mbar / 8 inches w.c. Setpoint, AC 10 Accuracy

Capacity Information

Tables 9 through 28 provide natural gas regulating

capacities at selected inlet pressures and outlet

pressuresettingsfortheCSB400Series,which

includescongurationsthatincludetheIntegral

MonitorandSlam-shut.FlowsareinSCMH(16°Cand

1.01325 bar) and SCFH(60°Fand14.7psia)of0.6

specicgravitynaturalgas.Todetermineequivalent

capacitiesforair,propane,butaneornitrogen,multiply

thecapacitynumberinthetablesbythefollowing

ACCURACY AC 10%

SETPOINT Droop Boost SET RANGE PART NUMBER COLOR

20mbar -2mbar 2mbar 17to24mbar

GE30191X012 Pink

8 inches w.c. -0.80 inches w.c. 0.80 inches w.c. 6.8 to 9.6 inches w.c.

INLET PRESSURE

METHOD OF DOWNSTREAM SENSE (PRESSURE REGISTRATION)

Internal Sense Dual Sense (Combined Internal and External)

Body Outlet Size Body Outlet Size

DN 25 / NPS 1 DN 32 / NPS 1-1/4 DN 40 / NPS 1-1/2 2-1/4 GAZ

(1)

DN 25 / NPS 1 DN 32 / NPS 1-1/4 DN 40 / NPS 1-1/2

bar psig Sm

/h SCFH Sm

/h SCFH

0.10 1.5 42 1483 45 1589 40 1412 40 1412 41 1447 41 1447 41 1447

0.20 2.9 71 2507 65 2295 60 2118 90 3178 57 2012 60 2118 62 2189

0.30 4.4 112 3955 90 3178 85 3001 129 4555 85 3001 88 3107 89 3143

0.40 5.8 112 3955 120 4237 100 3531 153 5403 100 3531 104 3672 103 3637

0.50 7.3 112 3955 160 5650 140 4944 160 5650 129 4555 150 5297 151 5332

0.75 10.9 112 3955 160 5650 208 7345 160 5650 129 4555 171 6038 176 6215

1.00 14.5 112 3955 160 5650 208 7345 160 5650 129 4555 208 7345 208 7345

2.0 29 112 3955 130 4590 208 7345 160 5650 183 6462 268 9464 350 12,360

3.0 44 85 3001 120 4237 208 7345 198 6992 183 6462 268 9464 402 14,196

4.0 58 85 3001 120 4237 105 3708 198 6992 183 6462 268 9464 402 14,196

5.0 73 85 3001 120 4237 105 3708 198 6992 183 6462 268 9464 402 14,196

1. Externalthread(DN50/NPS2pipesize).

-Grayareasindicatelimitedduetodynamicoweffects(Boost).

Table 10. CSB400 Series Internal and Dual Sense (Pressure Registration) Flow Capacities for 30 mbar / 12 inches w.c. Setpoint,

AC 10 Accuracy

ACCURACY AC 10%

SETPOINT Droop Boost SET RANGE PART NUMBER COLOR

30mbar -3mbar 3mbar 24to35mbar

GE43955X012

Orange

Stripe

12 inches w.c. -1.2 inches w.c. 1.2 inches w.c. 9.6 to 14 inches w.c.

INLET PRESSURE

METHOD OF DOWNSTREAM SENSE (PRESSURE REGISTRATION)

Internal Sense Dual Sense (Combined Internal and External)

Body Outlet Size Body Outlet Size

DN 25 / NPS 1 DN 32 / NPS 1-1/4 DN 40 / NPS 1-1/2 2-1/4 GAZ

(1)

DN 25 / NPS 1 DN 32 / NPS 1-1/4 DN 40 / NPS 1-1/2

bar psig Sm

/h SCFH Sm

/h SCFH

0.10 1.5 53 1871 54 1906 56 1977 56 1977 45 1589 49 1730 55 1942

0.20 2.9 91 3213 80 2825 85 3001 96 3390 75 2648 76 2683 80 2825

0.30 4.4 118 4167 115 4061 115 4061 119 4202 95 3354 95 3354 104 3672

0.40 5.8 130 4590 135 4767 141 4979 145 5120 115 4061 115 4061 123 4343

0.50 7.3 130 4590 160 5650 160 5650 169 5968 138 4873 138 4873 147 5191

0.75 10.9 130 4590 185 6533 205 7239 169 5968 170 6003 185 6533 192 6780

1.00 14.5 130 4590 185 6533 205 7239 194 6851 170 6003 210 7416 210 7416

2.0 29 130 4590 185 6533 205 7239 212 7486 312 11,018 340 12,006 342 12,077

3.0 44 100 3531 165 5826 105 3708 215 7592 340 12,006 380 13,419 400 14,125

4.0 58 100 3531 155 5473 105 3708 240 8475 340 12,006 380 13,419 400 14,125

5.0 73 100 3531 155 5473 105 3708 240 8475 298 10,523 380 13,419 400 14,125

1. Externalthread(DN50/NPS2pipesize).

-Grayareasindicatelimitedcapacitiesduetoboosteffects.

appropriateconversionfactor:0.775forair,0.628for

propane,0.548forbutaneor0.789fornitrogen.For

gasesofotherspecicgravities,multiplythegiven

capacityby0.775anddividebythesquarerootofthe

appropriatespecicgravity.

The published capacities were obtained using inlet

andoutletpipingthesamesizeastheregulator

bodysize.