evil_lurker
National Hazard
Posts: 767
Registered: 12-3-2005
Location: United States of Elbonia
Member Is Offline
Mood: On the wagon again.
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Bought a crappy aspirator...
Bought one of their stainless steel model aspirators last week from cynmar. Hooked it up to the sink to see what it would do.
What a piece of junk. The thing would just barely pull a vacuum, and water would shoot out the side arm if you turned up the pressure more than about
10 PSI. There is no check valve on this thing, and if it does it don't work.
I expected a lot more than what I got.
Looks like I might have to build an aspirator this weekend.
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12AX7
Post Harlot
Posts: 4803
Registered: 8-3-2005
Location: oscillating
Member Is Offline
Mood: informative
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Piece-of-asspirator? 
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evil_lurker
National Hazard
Posts: 767
Registered: 12-3-2005
Location: United States of Elbonia
Member Is Offline
Mood: On the wagon again.
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One thing about it, I can't say it sucks!
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spode
Harmless
Posts: 1
Registered: 6-7-2006
Member Is Offline
Mood: No Mood
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One trick that might work: connect the water supply to the vacuum outlet and connect the vacuum hose to the water inlet. Aspirators will often work in
this configuration, sometimes better than in the standard mode.
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MadHatter
International Hazard
Posts: 1346
Registered: 9-7-2004
Location: Maine
Member Is Offline
Mood: Enjoying retirement
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Vacuum pull
Evil_Lurker, it's possible you were shipped a defective aspirator. Have you been
able to measure the vacuum ? What is the temperature of your water ?
From opening of NCIS New Orleans - It goes a BOOM ! BOOM ! BOOM ! MUHAHAHAHAHAHAHA !
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evil_lurker
National Hazard
Posts: 767
Registered: 12-3-2005
Location: United States of Elbonia
Member Is Offline
Mood: On the wagon again.
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No, it won't even budge the gauge irregardless of tap water pressure.
I think its defective, although I can't exactly see how it could be.
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neutrino
International Hazard
Posts: 1583
Registered: 20-8-2004
Location: USA
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Mood: oscillating
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Are you sure you have the tubes hooked up right? It never hurts to double check.
If you think it's defective, call Cynmar and ask them to replace it.
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evil_lurker
National Hazard
Posts: 767
Registered: 12-3-2005
Location: United States of Elbonia
Member Is Offline
Mood: On the wagon again.
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I'm sure the tubes are hooked up properly... I attempted to manufacture an aspirator this afternoon and got way more suction out of it than the one I
got from cynmar... hell I was using a jury rigged magic marker for an injector nozzle (no shit)!
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BromicAcid
International Hazard
Posts: 3253
Registered: 13-7-2003
Location: Wisconsin
Member Is Offline
Mood: Rock n' Roll
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Request a refund/exchange. I've found that aspirators can be quite picky. In my experience in labs I usually have to hunt for the best aspirator in
a classroom and they greatly vary in quality even if they are all 'the same' in terms of appearance/company. Even small differences induced in the
manufacturing process seem to have the ability to have great effects.
You can buy plastic aspirators for draining water beds from most large stores. The kit is something like $15. Who knows what kind of life they have
though.
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