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Breaking in Ball Valve

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Breaking in Ball Valve

Unread postAuthor: STHORNE » Sat May 17, 2008 9:51 am

Hey everybody, I currently have a problem breaking in a 1/4" threaded ball valve I plan on using on my bb/marble rifle. It will be used as an exhaust trigger so it has to be easily opened. I have worked (open/close repeatedly) the s.o.b for days and used every oil and lubricant known to man and it's still as stiff as a board.

Any suggestions?
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Unread postAuthor: SpudFarm » Sat May 17, 2008 9:55 am

i use grease and it is stiff as hell the first 10 times i open it. and the prob can be that you used oil. ball valves don't like oil they prefer grease
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Unread postAuthor: STHORNE » Sat May 17, 2008 9:58 am

What type of grease do you recommend?

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Last edited by STHORNE on Sat May 17, 2008 10:01 am, edited 1 time in total.
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Unread postAuthor: SpudFarm » Sat May 17, 2008 10:01 am

i don't know what it is called. i just have it in the shop.
the things you put in grease presses and lubricate (?) car suspentions through nipples is what i use. really thick nasty stuff.
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Unread postAuthor: STHORNE » Sat May 17, 2008 10:04 am

Oh, I have used that too, it's not quite as thick as you would think, but it is good old fashion grease. I still got that sh!t on my hands from 2 days ago lol.

any other suggestions?
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Unread postAuthor: SpudFarm » Sat May 17, 2008 10:11 am

what about yell the shirt of them to get a new? :D

if you bought them in a shop you can try to open them there to see how good they are.
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Unread postAuthor: STHORNE » Sat May 17, 2008 10:15 am

lol, nah...I have already modified it to a point where I can't return it. And I did get the one that opened best when I was shopping for them. But I did bend the handle to make it straight. Maybe there is a kink in it that is rubbing on the brass preventing a easy motion. Ill check it out and keep ya posted :wink:
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Unread postAuthor: SpudFarm » Sat May 17, 2008 10:18 am

try whatever you think can work :P
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Unread postAuthor: STHORNE » Sat May 17, 2008 10:20 am

Ok, I bent it back and now nothing is rubbing to a point of it affecting the smoothness of the motion. It seemed to help a little but it's still being stubborn. I'm actually starting to get pissed :x . lol, I'm just gonna drowned the sucker in the grease and work the hell out of it. And maybe.....just maybe....god will shine a little light my way :roll:
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Unread postAuthor: SpudFarm » Sat May 17, 2008 10:22 am

HAHA :P hope the sky driftes away :D
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Unread postAuthor: Gippeto » Sat May 17, 2008 10:37 am

W.A.S. here; (I think I read this somewhere, not sure)

Do you have a drill press and vise?

Lube the valve, and then take the handle off.

Pop the lubed up valve in the vise and turn it with the drill press. (not too fast and DO NOT attempt to hold the valve in your hand)
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Unread postAuthor: SpudFarm » Sat May 17, 2008 10:39 am

ohhhh i was going to say that gippeto! but i am concerned the friction melts the seal and ruins the threads for the handle
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Unread postAuthor: STHORNE » Sat May 17, 2008 10:44 am

I've done that just taking off the handle and putting the threaded part in a vice. then just manually turning the valve for about 30 minutes non-stop.
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Unread postAuthor: ammosmoke » Sat May 17, 2008 10:46 am

Well, if it is metal, and he doesn't spin it too fast, I think it should be ok. I would be more concerned that he wouldn't be able to line it up again.

EDIT: Well, never mind about the lining up part.
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Unread postAuthor: STHORNE » Sat May 17, 2008 10:49 am

ammosmoke wrote:Well, if it is metal, and he doesn't spin it too fast, I think it should be ok.


He's talking about the rubber rings that seal against the actual ball to prevent air from leaking. So if the friction between the two gets hot enough when turning it....it might possibly melt. Understand?
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