compressor to tank valve - where does the line go

by bill wuttke
(cambs england)

i habe a PA italian valve i want to put into the air line that comes from the compressor and goes to the tank, it it adjustable.on the bottom of the valve is a bypass connection please advise where this should be connected to. i need the compressor (diesel screw type) to still cut in when the tank pressure drops, kind regards bill


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Bill says....

I'm looking, and looking, and I don't see a photo. Darn.

So I'm only guessing when I say I think that the line you refer to goes to the pressure switch.

Cheers,

Bill

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May 13, 2011
direct line into a 300 ltr tank
by: wukkie

not to get comicted, asel driven with a direct line into a 300 ltr tank

1) i want to put a valve inline to stop any air feedback to compressor.

2) the compressor also needs to recognise when the air pressure drops in the tank to restart and refill the tank.

3) nothing electrcal manual non return valve bur where does the bypass side connect to or is it just a dump device to atmosphere wukkie

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1) an in-line check valve will do this

2) can't do this if you have the check valve in the line to the tank. Why do you want the check valve? The extra tank, without the check valve, will simply be a larger part of the original compressor tank.

3) "where does the bypass side connect to or is it just a dump device to atmosphere" I don't know as I can't see to what you are referring.

B.


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Issue with pressure at attachment - restricted flow for some time

by Nathan
(Harrisburg, PA)

I have a craftsman oiless air compressor.

All tools that I attach have low pressure to start. After I hold the attachment wide open for about 10 seconds, it will eventually break loose and the air flows normally.

Once I let off the attachment and try to use again, it does the same thing.

It seems like it could be a valve or something.

Example: I have an attachment for pumping tires that has a handle. I have my compressor set at 80 psi but when I initially hold the handle it is only blowing maybe 5 psi. After holding the handle for about 10 seconds, it "breaks loose" and the air flows freely at 80 psi. I need to have the compressor set at 65 psi or more or it will not even "break loose". What is going on here?

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Bill says...

Nathan, I suspect you may have a mis-matched coupler/connector or the checked coupler has a problem.

Have a look at the COUPLER & CONNECTOR pages if you want more info about how they work.

Cheers,

Bill

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Connecting air pump to air tank.

by Mike
(Grand Island, NY)

Is there an adapter to connect my air compressor to an air tank with a car tire valve connector? I have a tire filling connector but I have to continuously push on it while the tank fills.

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Bill says...

mike, you can do it, but you need to re-plumb the air hog to take the additional fittings.

What you want is an air line coming out of the tank with your tire valve.

You also want to have a connector on the other end of the tee into which you can plug your air line from the compressor.

Between the connector and the line into the tank, you will need to add a manual valve so that you can shut of the air blowing from the filled tank after you have filled it up and pulled off the connector.

Go to the site map page and click the link to the Brad nailer page. You will see what I mean there.

Cheers,

Bill

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air compressor quick couplers - what type to get

My local Home Depot has three clases of couplers: Industrial, automotive and universal. They are color coded with different colored tape. What are the differences (particulary automotive)? The one thing I noticed is that the industrial male fitting can be pushed into its coupler and the automotive coupler knurled ring must be pulled back and then the male part inserted.

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Bill says...

You will not likely get a top quality coupler / connector at any big box store.

Regardless of the type of coupler / connector you buy, it's only necessary that they attach to your air hose the way you want, and connect coupler to connector properly.

The most important thing is to pick one style, and stick with it, since couplers and connectors of the many different styles do not always interconnect properly.

This question is answered more fully on the COUPLERS and CONNECTORS pages on this website.

Cheers,

Bill

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