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Old 06-23-2015, 11:27 AM   #1
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Natural Gas flowmeter


Can anyone recommend an inexpensive gas flowmeter to put in-line on a 3/4" black pipe? Customer wants to monitor how much gas is flowing in CFM to his 400K BTU pool heater.

Last edited by Bugman1400; 06-23-2015 at 11:30 AM.
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Old 06-23-2015, 08:22 PM   #2
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http://www.ekmmetering.com/3-4-pulse...er-pgm-75.html

Last edited by Ghostmaker; 06-23-2015 at 08:25 PM.
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Old 06-23-2015, 08:52 PM   #3
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Quote:
Originally Posted by Ghostmaker View Post
Thanks but, I'm looking for a flow rate.
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Old 06-24-2015, 07:20 AM   #4
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If the gas piping can handle the full flow demand of the unit (400,000 BTU) then it will be 4 therms/hr or roughly 400 Cubic Feet per hour (100 cubic feet per therm, 100,000BTU per therm) if they want CFM then divide the 400 by 60 to get 6.66 cubic feet per min. Another way is to watch the meter with the pool heater running and nothing else and get the flow rate from the dials on the meter. This is only a one time thing as the flow will not change.
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Old 06-24-2015, 07:30 AM   #5
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Sorry for the off-topic, but I saw this thread and thought the title said "Natural Gas Flamethrower" at first glance. Thought that was funny.
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Old 06-24-2015, 07:36 AM   #6
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All you have to do is clock the meter to get the gas flow in cfm.
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