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ktel60
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Join Date: Apr 2006
Location: Texas, by God! Houston for precision
Posts: 167
Good Answers: 2

HVAC Manifold

10/04/2007 4:04 AM

Could any of you kind folks point me in the direction of some rules of thumb for HVAC duct manifold specs. Hate to seem stupid, but it came by-the-way on some spec work, and it's out of my specialty

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Ried
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Join Date: Dec 2005
Posts: 1602
Good Answers: 19
#1

Re: HVAC Manifold

10/04/2007 11:55 AM

I usually go to either a "SMACNA Duct Design Manual", Industrial Ventilation" by ACGIH, or "Fan Engineering" by Buffalo Forge. Is this a plenum, main duct, or return? What is volume and pressure in the system?

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ducon
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Join Date: Dec 2006
Location: Hop around Toronto, New York & Karachi
Posts: 1876
Good Answers: 19
#2

Re: HVAC Manifold

11/17/2007 2:16 PM

Hate to seem stupid - Nothing is stupid in CR4

Go to Bacharach Inc. Tel: (412) 963 2000.

They have a circular calculator for sizing duct known as Grill velocity finder

Part # 16-0107. this item is maybe US $ 10.00 . Order on line and they will mail you. You can size all HVAC duct s easily like a pro.

Also you can order Florite Air Velocity Meter "Florite MRF" 16-7001 (0-1000 fpm) or 16-7002 (dual Scale 0-3000 fpm, 0-35 mph) . with these the velocity finder is included.

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