Thread Sealing?

[FriedRicE2]

I was wondering what is better for sealing theads for CO2 or HPA. Everyone says just to use loctite blue/red thread locker, but i was looking more into pipe dope/sealer. I'm afraid to use teflon tape because everyone (including on automotive forums) say that small bits a peices can come off can end up clogging or messing up anything down the line.

So what is the best thing to use in order to seal the threads so air can't escape?


(I hope yall don't mind me posting this in here because i'm tired of posting anywere else where i just get answers that are based off assumptions. I get that alot at pbreview from people assume things based on other peoples posts and not expirence. Plus I wanted an answer from people who know what they are doing. Thanks!)

[personman]

I dont really know what I'm doing, but I have used Teflon tape for a long time.. mostly because im too impatiant to let loc-tite dry, and I dont have any loc-tite. I dont think I have ever had anything clog up with teflon tape, you just have to be careful. I'm pretty sure that as long as you keep the teflon out of the air pathway you wont have any problems. But then again, lots of people refuse to use teflon. I really dont know. I guess I just wanted to let you know that I have never had anything happen to any of my guns (mag, sheridan xts, e-mag, retro mag, cocker) when I used teflon tape. To me, teflon tape is a convienaint solution.

[The Deacon]

I love teflon tape. Just wrap it cleanly on the treads, not in front of the air passage, and clean it out of the threads when you pull the fittings apart.

Only times I use Loctite is if it's a fitting I know I won't pull apart for a long long time (like the vertical bottle adapter on my 98). I'm always changing my gas lines around, though, so teflon tape is my hero.

[SlartyBartFast]

Actually, LOCTITE does make a liquid teflon pipe thread sealant.

If you don't want the stength of threadlock adhesive but want to properly seal an air or hydrauli fitting, that's the best thing to use.

Check the LOCTITE website. It's LOCTITE 545 you want.

[FriedRicE2]

I've always known loctite blue/red thread locker as a "thread locker" and not necessarily a thread sealer to the degree of say 4500 psi. Does loctite blue/red thread locker actually have theses properties?

Ohh and another question has arised. On usually anti-syphon kits, it instructs you to bend the copper tubing so that the length of the siphon reaches the back of the tank. I am having trouble over debating where the a/s should bend at due to the fact that if you bend the a/s near the back (picture the tank lying on its side) of the tank and you tilt your gun up for any reason (a.k.a a really long shot) you will submerse the end of the a/s. So i was thinking of bending the a/s near the front and making it reall short willkeep this from happening. Unfortunetly, if your gun is pointing down and you accidentally shoot you will get liquid on your gun. So i came to the conclusion that a mid-length a/s should be good. What do yall think? Front, Mid, Back? (all this assuming CO2 tanks are filled to about 60% liquid)

[SlartyBartFast]

Originally posted by FriedRicE2
I've always known locktite as a thread locker and not necessarily a thread sealer to the degree of say 4500 psi. Does locktite actually have theses properties?

LOCTITE is a company. NOT a specific product. They make numerous products for different applications.

Check out http://www.loctite.com/int_henkel/lo...id=19&layout=3 and browse the assembly products.

[FriedRicE2]

sorry i left that out, i've edited my posts...
Are there any problems with liquid teflon that you know of or is it prefectly safe?

[SlartyBartFast]

Originally posted by FriedRicE2
sorry i left that out, i've edited my posts...
Are there any problems with liquid teflon that you know of or is it prefectly safe?

Well, according to the datasheet for Loctite 242, it does act as a sealant 'for close fitting threads'. No more detail is given.

Don't know of any problems with liquid pipe thread sealant in general. But just like any other adhesive, or even teflon tape, it should be used correctly and not be over applied.

[LoveMyMagMoreThanYou]

As a plumber and a paintball player, I wouldn't recommend pipe dope. It's too easy to put too much on and then some will get blown downstream. The previous posts about thread tape is correct about how to apply it, be careful not to wrap it past the opening on your fitting. Technically, PTFE tape is not a sealant. It just help you thread the fitting in better and allows you to unthread much easier later. It does, of course, seal because threads are not perfect. All of that being said, I always use blue loctite on my fittings. It seals the thread but most importantly, keeps the threads from backing out do to vibration. I wouldn't recommend using red loctite unless it's something that you figure that you are never going to disassemble. Just my two cents worth. You can take them as you wish.

*EDIT* Threadlockers and PTFE(Teflon) Tape seal by filling in the gaps that exist in the threads. Threads have small gaps caused during the thread cutting process

[misfit]

loctite pst #567
works great

[Siress]

what about liquid teflon.

[LoveMyMagMoreThanYou]

Liquid Teflon doesn't seal. It only keeps the threads free to tighten and loosen.

[Siress]

oh ok. I just knew it existed, never tried it. I tried loctite for a while but it became a real hassle and I am pretty impatient to begin with so I use teflon tape very carfully.

[LoveMyMagMoreThanYou]

NP, in fact, if I'm not mistaken, liquid teflon IS pipe dope. Most pipe dope is just teflon particles suspended in a paste like substance. It has the consistency of tootpaste.

[Siress]

HAHAHAHAHAHA THE MOTHER OF ALL TYPOS!!! "TOOTPASTE"!!!