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Flow Coefficient of Select Valves

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Flow Coefficient of Select Valves

Unread postAuthor: Jimmy K » Tue Mar 06, 2012 7:24 pm

Has anyone measured the flow coefficient of their piston valves? I would be very curious to see how much higher the cv of a piston valve is compared to a the cv of a modified sprinkler valve with equivalently sized ports for a given amount of air (same pressure, temperature, and volume).

I would also be interested in the flow rates of barrel sealers vs. chamber sealers, as well as piston travel distance and piston weight. Does anyone have quantitative data on these aspects of piston valves?
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Jimmy K
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Unread postAuthor: Technician1002 » Tue Mar 06, 2012 7:47 pm

I did some performance matching to see what range I was getting with mine.

It is not "measuring" the valve, but it did give a performance range to match GGDT graphs.

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