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anyone know where i could find a 3/8th checkvalve

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Old 01-03-05, 05:01 PM Thread Starter   #1
Crash893
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anyone know where i could find a 3/8th checkvalve


looking for soemthing barbed on both ends

and fairly easliy to push open and to stay closed agenst like 10 psi ( nothing major)


any ideas

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Old 01-04-05, 01:08 PM Thread Starter   #2
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Ttt

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Old 01-04-05, 01:11 PM   #3
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you looking for a quick connect (plugs both sides when you disconnect?)

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Old 01-04-05, 04:42 PM   #4
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www.McMaster.com - check out page # 351, or do a search for "Miniature Ball Valve", I'm pretty sure that this is the sort of thing that you are looking for .

You'll also need to buy a couple of threaded plastic tube fittings for your ball valve, so that you can set it up with hosing. It's also a good idea to grab some "PTFE Thread Sealant" tape, so that you don't get water leaking out from the tube fitting->valve joints.

These valves are quite high quality, easy to open, and good for several hundred PSI. I used one for a while to do some flow-rate testing, and it worked like a charm.

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Old 01-04-05, 05:08 PM   #5
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thats huge dude...
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Old 01-04-05, 05:26 PM   #6
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That picture isn't to scale .

They also come in a wide variety of different sizes, you can get them as small as 1/2" wide if I recall correctly. With the right sized threaded/barbed plastic fittings, you can use pretty much any ID size tubing that you want to with one of these.

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Old 01-04-05, 06:35 PM Thread Starter   #7
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no i just need a check valve

basicly so water doesnt roll back into a system

also known as a "oneway valve"

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Old 01-04-05, 10:22 PM   #8
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They've got the check valves at Home Depot, but you have to buy the barbs separately. The have those too.

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Old 01-04-05, 10:35 PM   #9
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what felinusz posted would be perfect with a couple of barbs no?

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Old 01-04-05, 11:12 PM   #10
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Quote:
Originally Posted by Crash893
looking for soemthing barbed on both ends

and fairly easliy to push open and to stay closed agenst like 10 psi ( nothing major)


any ideas
You might try one of the check valves sold by welding supply dealers which are used as flashback arrestors for acetalyene torches.
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Old 01-05-05, 02:33 AM   #11
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Old 01-05-05, 02:59 AM   #12
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thats hot
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Old 01-05-05, 02:48 PM Thread Starter   #13
Crash893
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it is but its a ball valve

ill try the welding supply

ive seen the ones at home depot and they are far to big and reqire wayyyy to much psi to open like 3-4 psi

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