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Old 12-06-2010, 04:54 PM   #1
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Impossible to unscrew brass check valve from well


Hi people,

Have a well/pump system with a goulds pump drawing water from the earth. I need to unscrew the check valve (a Parts 2O, poppet style 200psi, 1 1/4" size.) I even heated it up first with propane and then 2 guys with pipe wrenches. Thing will not budge!

I admit, the wrenches are only say, 18" and other is about 24" with exxxxtension pipe. i doubt it would be soldered, eh? I mean, even if it was, wouldnt the propane have softened the solder?Any advice appreciated!

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Old 12-06-2010, 05:22 PM   #2
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Impossible to unscrew brass check valve from well


keep trying! Remove the check valve guts so you don't cook the rubber parts or temper the metal. I've seen food safe penetrating oil that you should be able to use safely around potable water. warm up the parts with propane Not MAP don't want to get the parts that hot. Spray the oil on and gently tap, tap, tap while you try to turn the pieces apart. Worst case yes you may need to cut the one way valve off from the pipe. If you don't have a way to rethread the 1 1/4 pipe carefully hacksaw or grind away slowly the valve making sure you don't mess up the treads on the pipe. I have found that if you cut down the length of the valve in a few places it often helps so you can get the penetrating oil into the threads and or be able to pry the valve away from the pipe. Might want to try moving down the pipe and see if you can remove the lenght of pipe AND valve so you can get it someplace where you can work on it more easily. What is the pipe, galvanized?, brass? Really doubt someone would use solder on the brass or metal solder on the galvanized Shouldn't cook galvanized not good for it or you, just sounds like the pipe dope dried and hardened onto fittings.

Walt

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Old 12-06-2010, 06:23 PM   #3
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Impossible to unscrew brass check valve from well


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I admit, the wrenches are only say, 18" and other is about 24" with exxxxtension pipe.
Ayuh,... Get Loonngggeerrr pipe handles...
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Old 12-07-2010, 05:10 PM   #4
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Impossible to unscrew brass check valve from well


Thaks, Walt and Bondo. Thats just what I needed.....good tips. Walt, the well is NOT for drinking....just garden/lawn. It is steel/galvanized. Hey, I could cut carefully with a grinder, if Bondos tip of longer levers dont work. I will get it , dont worry. I'll advise.
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Old 12-10-2010, 06:19 PM   #5
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Impossible to unscrew brass check valve from well


just wanted to let yous know....it came off!! Bumped it with a hammer all around, over and over, with a 5lb weight behhind it for support. Bang bang bang.......then propane again...hot as possible, then, with 2 plumbers wrenches.... crack!! It worked!!

Thanks, people
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Old 12-14-2010, 03:59 PM   #6
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Impossible to unscrew brass check valve from well


glad to hear you were able to get it to work out for ya'
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Old 12-30-2010, 04:18 PM   #7
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Impossible to unscrew brass check valve from well


OK, finally put in some new pvc fittings, as old ones were melted away. So, I primed the pump, and man, pump keeps running when I turn it on as if it wasnt primed right/enough.

What am I doing wrong? Thanks!!
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Old 12-30-2010, 04:47 PM   #8
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Impossible to unscrew brass check valve from well


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and man, pump keeps running when I turn it on as if it wasnt primed right/enough.

What am I doing wrong?
Ayuh,... More details please,..?? Prime it More,..??
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Old 12-30-2010, 04:55 PM   #9
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Impossible to unscrew brass check valve from well


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Originally Posted by Bondo View Post
Ayuh,... More details please,..?? Prime it More,..??
Details? OK: I opened up a "faucet" that gets water from the pump, opened pump inlet valve/faucet, supplied it with water from another donor source, burped the faucet supplied from pump until no more air, closed that, closed spigot at pump, closed donor source water .

With all faucets shut off, turned power on to pump, it runs, and runs, and runs, and.......

Yup, I did this 3 times.
Tanks!
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Old 12-30-2010, 04:57 PM   #10
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Impossible to unscrew brass check valve from well


I realize theres not much more one can do. Thats why Im puzzled.
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Old 12-31-2010, 10:37 AM   #11
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Impossible to unscrew brass check valve from well


Hmmm, I though I gave enough details. Im stumped, and ready for ideas.....actually, Im desperate for ideas!!
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Old 12-31-2010, 10:46 AM   #12
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Impossible to unscrew brass check valve from well


With all the action above ground level I'm thinking you have developed a leak on the suction line.
Look into the well with a flashlight while adding the priming water. See any waves? or Does the pump accept more prime water after it has been setting for an hour. Once primed even with the plug removed it should only accept so much water.
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Old 12-31-2010, 11:48 AM   #13
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Impossible to unscrew brass check valve from well


Does your setup have a pressure gauge somewhere? If the pump never shuts off, there's not enough pressure being developed to actuate the pressure switch.
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Old 12-31-2010, 09:19 PM   #14
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Impossible to unscrew brass check valve from well


Err, Uhh, this sounds to be a "Jet pump", or above ground pump if you can prime it with another water source. Disconnect the piping at the point just before where you installed the new check valve. Start the pump and if it will pump the water, allow it to pump just out into the air for a few minutes to assure it will run adequately. If it does work, then check your piping, something may be in backwards or wrong preventing the water flow.
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Old 01-01-2011, 04:29 PM   #15
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Impossible to unscrew brass check valve from well


Thanks, Guys!! It worked (with your help)! BUT, not yeah, I get water/good force, but the pump now wont shut off!! So, hey, we're getting closer, right? Think the pressure tank on top has anything to do with it? I think there should be enough pSI in there...its not that old.....

Other ideas, I dunno.

Thaks!

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