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spssawhney
Associate

Join Date: Jul 2009
Posts: 34

Requirement of Water Flow Meter for Boiler

08/10/2009 11:06 AM

We need water flow meter to check the boiler feed water qty in the boiler.

boiler capacity 10mt/hr

feed water temp 90c

kindly advise
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#1

Re: requirement of water flow meter for boiler

08/10/2009 11:26 AM

Contact instrument suppliers directly.

Depending upon line size, the vortex shedding method of measurement is fairly good value these days for an installed instrument.

Do not go for an electromagnetic flowmeter unless the conductivity of the boiler feed water is above the suppliers' minimum for that style of instrument.

If a non-invasive or temporary method of measurement is needed, then clamp-on ultrasonic would be a good choice of method.

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spssawhney
Associate

Join Date: Jul 2009
Posts: 34
#2
In reply to #1

Re: requirement of water flow meter for boiler

08/10/2009 12:48 PM

dear sir

thanx for your quick response pls explain vortex shedding method

with warm regards

sps sawhney
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PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#3
In reply to #2

Re: requirement of water flow meter for boiler

08/11/2009 3:18 AM

http://en.wikipedia.org/wiki/Flow_measurement#Vortex_flowmeters

.......and there is no need to be so formal in this forum.

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