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Old 08-21-2008, 09:19 PM   #1
Boerderij_Kabouter
 
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Has anyone used butterfly valves for metering flows through their system? I am considering using them in place of ball valves. The one sold by B3 have 12 positions for consistent positioning.

Will these be able to restrict flow from a pump like a ball valve, or will they be more of an on/off type thing on a HB scale?

 
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Old 08-21-2008, 09:45 PM   #2
GilaMinumBeer
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I looked but can't find any steppable sanitry b valves smaller than 1". So, they'd operate like a ball valve.

 
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Old 08-21-2008, 09:46 PM   #3
Boerderij_Kabouter
 
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I got this response back from the same question sent to B3:

Quote:
Justin

You will have better control with a ball valve than you would with a butterfly valve. Butterfly valves have fixed positions where the valve will be open, so it does not give the fine tuning adjustments a ball valve would give.

Marc Alkons
MoreFlavor! Inc.
1800-600-0033

 
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Old 08-21-2008, 09:47 PM   #4
Boerderij_Kabouter
 
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It looks to me like ball valves are the way to go for controlled pumping.

 
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