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RPP-24544 REV Id Calculation No. 145579-D-CA-056, Rev. I<br />

Attaclunent 5<br />

Page 32 of 32<br />

Tel: ASHRAE DUCT FITTING DATARASE<br />

Fwa VersWA2.5.0 Thuftdoy, Februmy2k 20OW<br />

INPUTS-<br />

ICRW) Orifice, Thick-Edged<br />

(Idelrhik 1956, Diagram 445)<br />

OUTPUTS<br />

Height (Ho, in.) 5.3 Velocity (Vo, fpm) 2054<br />

-Wf-dth (Wo, In.) 5.3 Val Pres atVo (Pv. in, %vg) 0.26<br />

Height IHI in.) 49 Loss Coefficient (Co) 0.27<br />

Width (W - 1. in.) 4.9 Pressure Loss (in. wg) 0.07<br />

Lengtb (L, In.) 24.0<br />

Flow Rate (O, cfm) 400<br />

L;/Di: > 0.015<br />

D h = 2A I / ( H 1 -1<br />

A5-599

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