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Calculation No. 145579-DA6, Rev. 1<br />

Attachment 3<br />

Page 16 of 22<br />

OGTS Bypass System Fluid Flow Model Input Data, Piping/Component Descriptions and Flow Loss Coefficients.<br />

OATS Bypass ^Y^ye^lwd RI"oU^ od 1^^ + ^> = r<br />

Component Details Size Schedule Inside Dia. L ASHRAE<br />

Fitting<br />

No<br />

Q Ft/ Min dP, IN H2O Std Efficiency,<br />

0 12 67.36<br />

500 13.75 67.36<br />

1000 13 67.36<br />

1500 11.25 67.36<br />

2000 8 67.36<br />

2500 4.25 67.36<br />

3000 0 67.36<br />

Backdraft Damper<br />

Pressure Drop<br />

Ref. SNUPPS 90144<br />

(in) (in) (in)<br />

24 x 24 prototype For 8" Pipe Area sch 10 Dia.<br />

Vs, fpm dP, inches w.c. Q, CFM sq. ft ft.<br />

700 0.13 264.9 0.378 0.694<br />

800 0.135 302.7<br />

900 0.14 340.5<br />

1000 0.145 378.4<br />

1500 0.18 567.6<br />

2000 0.23 756.7<br />

2500 0.27 945.9<br />

ASHRAE<br />

Loss<br />

Coef.<br />

Cv<br />

b 'v

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