CFM

steamer · 2009-03-12T16:46:14+00:00

--I'm slowly working out the intricacies of tooting whistles. I'vefound that they're easy to toot on just a few psi of air from the ass end ofa vacuum cleaner; i.e. a HVLP source. But if I attach a whistle to amanifold and use a solenoid valve to turn it on and off I need as much as80psi to get the same effect from the whistle. This leads me to believe thateither the narrow passages in the valve is behaving like a flow restrictoror the narrow passage where an air hose is connected to the manifold is theproblem. Can't do anything about the valve but I could add a tee betweenmanifold and valve and add a second or third source of air from thecompressor. --Anywayyyy I'd be interested in hearing from anyone who's beenthere, done that. Suggestions welcome.

Mar 12, 2009 21 Replies

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steamer 17 years ago

--Thanks for all the info and advice gang; will ruminate a bit and get back to ya.

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Bob Engelhardt 17 years ago

I think that a dump valve doesn't close until the reservoir is empty. Bob

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