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Sep 16, 2019, 01:31 PM
Registered User
Thread OP
Discussion

Medical Aspirator Pump - works


Grabbed a used pump for cheap over the weekend and moved all my bagging accessories over to it. Works great so far. Just fyi if you see any around for sale.

https://www.instagram.com/p/B2eV8iKHyRu/
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Sep 16, 2019, 08:39 PM
foam is fun, but glass is fast
Redfarren's Avatar
Looks like it is “not” an oil type pump, stay away from those
I picked up second gast vac pump off F B marketplace for $60 around a year ago, bare no fittings but w a switch. Took a look to see what’s avail today and there are 2 up by you for reasonable prices. Go this route if your good deal stops working��

Lol just found out you can’t post the word f a c e book, bwahahaha
Sep 16, 2019, 09:29 PM
Registered User
Thread OP
Why is that bad?
Sep 17, 2019, 09:27 AM
The Junk Man
Quote:
Originally Posted by thenated0g
Why is that bad?
It's bad in China. They have banned it. Take a look and see who is running this forum, then 2 and 2 starts equaling 4.

Tom
Sep 17, 2019, 09:30 AM
Registered User
Thread OP
I have no idea what we are talking about apparently. I got a sweet pump for $20, not sure what's wrong.
Sep 17, 2019, 04:32 PM
Registered User
Ward Hagaman's Avatar
Tom, are you saying FB is banned? I'm not following either.
Sep 17, 2019, 04:55 PM
The Junk Man
Yes, China banned it.

Tom
Sep 17, 2019, 05:41 PM
Registered User
Thread OP
I meant why is a non oil pump bad for vacuum bagging. From what i can see in older posts you dont want an oil pump as it gets oil on stuff in your shop. But i cant find anything talking about why non oil pumps are bad.
Sep 17, 2019, 09:38 PM
The Junk Man
Somehow this conversation went off the rails along the way.

Oil-less vacuum pumps are a Good Thing.
Oil-filled pumps work, but are, comparatively, a Bad Thing.
F a c e b o o k is a Bad Thing to the Chinese, who run this forum for example, they banned it.

Two Good Things, one Bad Thing.

Hope this clarifies things.

Tom
Sep 17, 2019, 09:44 PM
supreme being of leisure
ZAGNUT's Avatar
do they even make oil-free pumps that can suck down to micron level?

plenty of oil trap/muffler solutions available for pumps. my pump lives outside and uses a DIY oil trrap: hose connected to the outlet that runs into a bucket filled with cat litter.
Sep 17, 2019, 09:46 PM
The Junk Man
Micron level? Huh?

I make toy airplane parts, not inter-orbital stuff for NASA.

Tom
Sep 17, 2019, 09:57 PM
supreme being of leisure
ZAGNUT's Avatar
100 micron is 99.99% vacuum...10 micron is 99.999%

the cheap vane pumps will suck down to ~35 microns. good for stuff like degassing and infusion.
Sep 17, 2019, 10:23 PM
The Junk Man
My GAST DOA-P704 oil-less pulls just under 25"Hg. Plenty for me.

Tom
Sep 18, 2019, 10:54 AM
Professional sink locator
I've been using a Schuco S130 aspiration vacuum pump for over 30 years and have never experienced any problems or issues.
It is also a diaphragm oil less pump. It will pull 26"Hg for days on end.
And it was free at a hospital disposal sale.
Sep 18, 2019, 10:59 AM
Registered User
Thread OP
okay good that's what I thought it seemed like it was going to be a great pump for what I do occasionally vacuum bag wings. Plus I have a vacuum switch on it so it's only really running for a couple seconds every minute or two.


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