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Author Topic: Gate Valve Packing Nut  (Read 5401 times)

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Online Cablebandit

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Gate Valve Packing Nut
« on: November 20, 2013, 03:38:42 PM »
So I found a small leak in the hot water shutoff valve to the second floor shower.  The shutoff valve is not a ball valve.  It's a gate valve and the water seems to be leaking out of the stem.  My question is how tight should the packing nut be?  I put a wrench on it expecting it to be impossible to turn due to some mineralization from the dripping.  However it was pretty loose.  I gave it about 3/4 of a turn just to see if that stops the leak.

Is there any spec for how tight the nut should be other than tight enough that it doesn't drip?

Online Black Hills

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Re: Gate Valve Packing Nut
« Reply #1 on: November 20, 2013, 03:47:14 PM »
tight enough that it doesn't drip?

I think that is it ;)
the above are merely the ramblings of a hamfisted fuckwit who has broken too many helmets.

Offline bomber

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Re: Gate Valve Packing Nut
« Reply #2 on: November 20, 2013, 03:50:14 PM »
you should be able to turn the valve without superhuman strength, and it shouldn't leak.

If either of these criteria is not met, you may wish to consider replacing the valve. Mine have never healed on their own.
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Online Cablebandit

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Re: Gate Valve Packing Nut
« Reply #3 on: November 20, 2013, 03:56:32 PM »
Yeah I figured replacing it is the best thing.  I can't stand these valves compared to ball valves.

Online SLK50

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Re: Gate Valve Packing Nut
« Reply #4 on: November 20, 2013, 05:54:46 PM »
Remove nut, re-pack stem, replace nut, tighten appropriately.
Stem packing looks like a graphite-impregnated shoelace.
Available at any hardware store.
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Online The Artist Formerly Known As Bubbles

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Re: Gate Valve Packing Nut
« Reply #5 on: November 20, 2013, 06:11:50 PM »
Remove nut, re-pack stem, replace nut, tighten appropriately.
Stem packing looks like a graphite-impregnated shoelace.
Available at any hardware store.

+1

Had to do a few at my first house. I couldn't (easily) get in there with a torch to do the replacement, so after doing the first one like this, it was a snap and saved tons of time and issues soldering old copper in some really hard to reach places.
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Online Cablebandit

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Re: Gate Valve Packing Nut
« Reply #6 on: November 20, 2013, 07:00:45 PM »
Yup, this one is a little hard to reach so breaking out the torch was my last option.

Online ixxion

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Re: Gate Valve Packing Nut
« Reply #7 on: November 20, 2013, 07:29:51 PM »
Good luck with it.  Old corroded plumbing doesn't usually respond well to 25 year tune-ups. So if it doesn't fix easy............................Sharkbite fittings and a tubing cutter.

They're expensive, work like blazes, and take literally minutes to install even at arms length around a corner laying on your back with water pouring out of the pipe onto your face.  Hie thee to Home Depot, pick up them bitches, and get on with your life.

Offline kneescrubber

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Re: Gate Valve Packing Nut
« Reply #8 on: November 21, 2013, 10:28:26 AM »
Good luck with it.  Old corroded plumbing doesn't usually respond well to 25 year tune-ups. So if it doesn't fix easy............................Sharkbite fittings and a tubing cutter.

They're expensive, work like blazes, and take literally minutes to install even at arms length around a corner laying on your back with water pouring out of the pipe onto your face.  Hie thee to Home Depot, pick up them bitches, and get on with your life.

Nice first post.  :thumbsup:
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Offline bomber

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Re: Gate Valve Packing Nut
« Reply #9 on: November 21, 2013, 12:30:12 PM »
thanks for the tip on the Sharkbite fittings . . . . .. . 1 beer is owed!
We had two bags of grass, 75 pellets of mescaline, five sheets of high-powered blotter acid, a saltshaker half-full of cocaine, a whole galaxy of multi-colored uppers, downers, screamers, laughers... Also, a quart of tequila, a quart of rum, a case of beer, a pint of raw ether, and two dozen amyls. Not that we needed all that for the trip, but once you get locked into a serious drug collection, the tendency is to push it as far as you can.

Offline spinalator

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Re: Gate Valve Packing Nut
« Reply #10 on: November 21, 2013, 05:52:32 PM »
Sharkbite are $$ and worth it. Copper to pex, 1/2 to 3/4, made my water softener hookup easy-breezy beautiful.

Offline mxvet57

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Re: Gate Valve Packing Nut
« Reply #11 on: November 21, 2013, 08:33:39 PM »
So did you get your nuts packed yet?
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Offline Mac

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Re: Gate Valve Packing Nut
« Reply #12 on: November 21, 2013, 11:03:36 PM »
So did you get your nuts packed yet?

That sounds a bit rude.  :)
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Re: Gate Valve Packing Nut
« Reply #13 on: November 22, 2013, 07:05:52 AM »
I tightened the nut and everything is still dry.  Hopefully that will be the end of that.

Offline Smilodon_Con

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Re: Gate Valve Packing Nut
« Reply #14 on: December 14, 2013, 04:44:02 PM »
I just installed my first water heater replacement a few weeks ago. Learned how to sweat the copper....piece of cake....first time attempt, about 8 solder joints done due to a fucked up angle run of pipes.

Problem with all this is, what I spent on pipe wrenches big enough to handle the gas pipes, the dope, the copper cutters and deburrers, solder, flux yada yada I could have called the fucking plumber and sat on the couch with a beer watching TV.

Started at 8:30 in the AM, 2 trips to Home Depot, 1 trip to Lowes for the damn new heater. Had hot water again by 8:30 PM and good water flow.

Should have called the plumber. At least I know I can do that shit now.

The good news: did it right the first time. No leaks, water or gas. My sweat joints still bone dry.

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Offline marc11

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Re: Gate Valve Packing Nut
« Reply #15 on: December 14, 2013, 05:23:36 PM »
Multiple trips to the store is common when doing diy projects. I like doing it myself even if the time spent is much longer than paying someone. I'd rather do the work than just sit on the couch and let someone else do the work. Either way I'm sending my day having it done at least I get a feeling of pride and accomplishment.

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Offline Veefer800canuck

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Re: Gate Valve Packing Nut
« Reply #16 on: December 14, 2013, 10:04:42 PM »
I just installed my first water heater replacement a few weeks ago. Learned how to sweat the copper....piece of cake....first time attempt, about 8 solder joints done due to a fucked up angle run of pipes.

Problem with all this is, what I spent on pipe wrenches big enough to handle the gas pipes, the dope, the copper cutters and deburrers, solder, flux yada yada I could have called the fucking plumber and sat on the couch with a beer watching TV.

Started at 8:30 in the AM, 2 trips to Home Depot, 1 trip to Lowes for the damn new heater. Had hot water again by 8:30 PM and good water flow.

Should have called the plumber. At least I know I can do that shit now.

The good news: did it right the first time. No leaks, water or gas. My sweat joints still bone dry.

Sent from my SCH-S720C using Tapatalk 2


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Online Cablebandit

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Re: Gate Valve Packing Nut
« Reply #17 on: December 15, 2013, 07:55:57 AM »


But now you have the tools forever, and the skills to use them next time.

DING DING DING. Don't add to the pussification of America.  Always at least make the attempt to do it yourself.


Bravo.



Online PatM

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Re: Gate Valve Packing Nut
« Reply #18 on: December 15, 2013, 09:45:09 AM »


But now you have the tools forever, and the skills to use them next time.

DING DING DING. Don't add to the pussification of America.  Always at least make the attempt to do it yourself.


Bravo.
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Online Cablebandit

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Re: Gate Valve Packing Nut
« Reply #19 on: December 15, 2013, 03:26:31 PM »
Sadly, it appears to be the case less and less these days.