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maglak
Associate

Join Date: Dec 2007
Posts: 42
Good Answers: 1

How to Find the Pressure Drop in HVAC Duct

12/24/2007 8:53 AM

I want to know How to find the Pressure drop in HVAC DUCT particularly in TAPER OR ENLAGER SECTIONS. Anybody help me.
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shogun7
Commentator

Join Date: Dec 2005
Posts: 92
Good Answers: 5
#1

Re: How to Find the Pressure Drop in HVAC Duct

12/24/2007 3:15 PM

Take the static pressure reading at the beginning and end of the transition with a manometer
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Swellmel
Commentator
Hobbies - DIY Welding - New Member Hobbies - Car Customizing - New Member

Join Date: Jun 2006
Posts: 61
Good Answers: 1
#2
In reply to #1

Re: How to Find the Pressure Drop in HVAC Duct

12/25/2007 1:49 AM

No more replies needed; unless you know something we don't.
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MUKULMAHANT
Guru
Engineering Fields - Systems Engineering - New Member Hobbies - Model Rocketry - New Member

Join Date: Dec 2006
Location: Long.92E,Lat.26N
Posts: 1336
Good Answers: 14
#3

Re: How to Find the Pressure Drop in HVAC Duct

12/25/2007 8:21 AM

U-tube differential Pressure Manometer--

U shaped glass tube and 2 rubber tubes!

That simple.
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ducon
Guru

Join Date: Dec 2006
Location: Hop around Toronto, New York & Karachi
Posts: 1876
Good Answers: 19
#4

Re: How to Find the Pressure Drop in HVAC Duct

12/25/2007 12:20 PM

Shogun7 said it all. Buy the manometer from your Forbes marshall India.

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 I not only use all the brains that I have, but all that I can borrow. Woodrow Wilson
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ducon (1); MUKULMAHANT (1); shogun7 (1); Swellmel (1)

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