Vacuum Pump CFMs?

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philipswanson
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Joined: Fri Jan 04, 2019 9:32 am

Vacuum Pump CFMs?

Post by philipswanson »

I am in the market for a new vacuum pump for my RV but I see them advertised from 150 cfm to 400 cfms. Is more better or is it just a question of the time it's hooked up?
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bohica2xo
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Re: Vacuum Pump CFMs?

Post by bohica2xo »

CFM has no effect on vacuum. High CFM pumps mean a technician spends less time evacuating large systems.
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Tim
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Re: Vacuum Pump CFMs?

Post by Tim »

Dual-stage is more important in my opinion.
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philipswanson
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Re: Vacuum Pump CFMs?

Post by philipswanson »

How do the dual stage pumps work?
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tbirdtbird
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Re: Vacuum Pump CFMs?

Post by tbirdtbird »

Google is your best friend

https://www.youtube.com/watch?v=pnqXEnn3DNk
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philipswanson
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Joined: Fri Jan 04, 2019 9:32 am

Re: Vacuum Pump CFMs?

Post by philipswanson »

That's a great video......... Thanks for posting it.
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