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Cabinet/007 Cabinet Exhaust Dampers.pdf - Revision history
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Gmoncus: created
2021-02-01T15:45:09Z
<p>created</p>
<p><b>New page</b></p><div><p style="text-align: right;">Return to [[Engineering_Procedures|Procedures&nbsp;Main Menu]]</p> <br />
<span style="line-height:11.75pt"><span style="tab-stops:1.75in"><span style="vertical-align:baseline"><span style="font-size:10.0pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.15pt">'''From''': Jim Ziaukas</span></span></span></span></span></span></span><br />
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<span style="line-height:11.75pt"><span style="tab-stops:1.75in"><span style="vertical-align:baseline"><span style="font-size:10.0pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt">'''Sent''':&nbsp; &nbsp;Tuesday, June 15, 1999 1:37 PM</span></span></span></span></span></span></span><br />
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<span style="line-height:11.2pt"><span style="tab-stops:1.75in"><span style="vertical-align:baseline"><span style="font-size:10.0pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.35pt">'''To''':&nbsp; &nbsp; &nbsp; &nbsp; Billy Anderson; Bob Oakley; Chad Koepke; Clay Brown; David Ament; Eulie Rushton; Greg Saxon; Hal Holloway; Jim Lang; Jim Ziaukas; Karl Vanky; Keith Clay; Lewis Watford; M Warren; Matt Engelbert; Mohammad Farooq; Mohammad Naeemullah; Ray Hopkins; Ricky Teal; Robert Lawson; Ron Eberhart; Russ Fiveash; Shawn Nassiri; Tim Gray</span></span></span></span></span></span></span><br />
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<span style="line-height:11.75pt"><span style="tab-stops:1.75in"><span style="vertical-align:baseline"><span style="font-size:10.0pt"><span style="font-family:"><span style="color:black">'''Subject''':&nbsp; &nbsp; (7) NON-MOTORIZED RES EXHAUST DAMPERS</span></span></span></span></span></span><br />
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<span style="line-height:13.4pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black">For ''NON-MOTORIZED DAMPERS ''Seasons-4's replacement equipment (RES) exhaust damper design guideline is as follows:</span></span></span></span></span><br />
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'''<span style="line-height:14.0pt"><span style="vertical-align:baseline"><u><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.05pt">Without exhaust/return fans (Gravity Exhaust)</span></span></span></span></u></span></span>'''<br />
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<span style="line-height:13.6pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.05pt">Up to and including 1500 FPM face velocity: Arrow model 500-CB damper</span></span></span></span></span></span><br />
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<span style="line-height:13.6pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black">Above 1500 FPM face velocity: Arrow model 655 damper</span></span></span></span></span><br />
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'''<span style="line-height:14.0pt"><span style="vertical-align:baseline"><u><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.05pt">With exhaust or return fan (Powered Exhaust)</span></span></span></span></u></span></span>'''<br />
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<span style="line-height:13.6pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.1pt">All face velocities: Arrow model 655 damper</span></span></span></span></span></span><br />
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'''<span style="line-height:14.0pt"><span style="vertical-align:baseline"><u><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black">Where airfoil blades are required (with powered exhaust ONLY)*</span></span></span></u></span></span>'''<br />
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<span style="line-height:13.6pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.15pt">All face velocities: Arrow model 800 "Arrow-Foil"</span></span></span></span></span></span><br />
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<span style="line-height:13.8pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black">Design velocity extremes are 1000 to 1800 FPM. 1500 FPM is generally the target for the design.</span></span></span></span></span><br />
<p style="margin-top:11.2pt; margin-right:.3in; margin-bottom:260.5pt; margin-left:0in; text-align:justify"><span style="text-justify:inter-ideograph"><span style="line-height:13.55pt"><span style="vertical-align:baseline"><span style="font-size:11.5pt"><span style="font-family:"><span style="color:black"><span style="letter-spacing:-.15pt">*Note that this damper is not recommended. Airfoil blades are a waste on exhaust dampers. This particular damper will not open against gravity exhaust. POWERED EXHAUST IS REQUIRED.</span></span></span></span></span></span></span></p></div>
Gmoncus