7/18/2019 Calculate CV Class II

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galon scfm

1 0.133681 50 PSI

0.13368

7.480495 3.740247 CV=Q*(DP^1/2)^-1

7.480519 3.74026 q=cv*(dp^1/2)

7.745967 1.035489 0.517744

psi GPM

water 7.071068 3.535534

6.324555 3.162278

50 7.071068 3.535534 0.035355 0.032

10 3.162278 1.581139 0.015811 0.012

psi scfh scfm

gas 2320.117 1160.058 19.33431 11.60058 0.193343

43 2045.164 1022.582 17.04303 10.22582 0.17043

40 1938.829 969.4146 16.15691 9.694146 0.161569

50 2293.277 1146.638 19.11064 11.46638 0.191106

2 591.9277 295.9639 4.932731 2.959639 0.049327

1 556.483 278.2415 4.637358 2.782415 0.046374

7/18/2019 Calculate CV Class II

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upstream less downstream less

general rule

A B A/B

gas (psi) 962 p1 p2 sqrt p1-p2 T Gxt sqrt Gxt

962 3329.29 246.49 55.522968 530 530 23.02173 2.411764

43 816 57.7 0 0 530 530 23.02173 2045.164

40 816 54.7 0 0 530 530 23.02173 1938.829

50 816 64.7 0 0 530 530 23.02173 2293.277

2 816 16.7 0 0 530 530 23.02173 591.9277

1 816 15.7 0 0 530 530 23.02173 556.483

2219.729

2086.811

gallon liter

1 3.78541

gpm l/min l/s

0.157 117.75 7065

0.015811 11.85854 44.889441 0.748157

0.012 9 34.06869 0.567812

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