Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: TheBoy on 11 April 2011, 10:44:22

Title: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 10:44:22
Does anyone know what the sealing method should be on these?

Does it rely on a taper at the bottom (whould have to be precise manufacture, as valve has to point in a precise direction), or should there be some kind of sealing compound on the thread?
Title: Re: LPG Liquid feed valve
Post by: JamesV6CDX on 11 April 2011, 10:47:02
Do you mean the outlet on the 4 hole tank?

I believe it's sealed by the compound, rather than position.

I had to rotate mine clockwise, to clear a bracket inside the airtight box. It was 'Effin tight and hard to move!!
Title: Re: LPG Liquid feed valve
Post by: JamesV6CDX on 11 April 2011, 10:48:28
Also, if you have a 4 hole - the valves should be pre - fitted, so providing they point in suitable directions, you can leave them as-is. :)
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 11:03:55
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Also, if you have a 4 hole - the valves should be pre - fitted, so providing they point in suitable directions, you can leave them as-is. :)
It would appear not always ;)
Title: Re: LPG Liquid feed valve
Post by: JamesV6CDX on 11 April 2011, 11:20:44
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Also, if you have a 4 hole - the valves should be pre - fitted, so providing they point in suitable directions, you can leave them as-is. :)
It would appear not always ;)

I'd give your tank supplier a slap  ;D
Title: Re: LPG Liquid feed valve
Post by: tunnie on 11 April 2011, 11:38:19
mine was not pre-fitted either, it was just based on the thread.

(http://dl.dropbox.com/u/803897/Omega/LPG/Day2and3/DSC00647.JPG)
Title: Re: LPG Liquid feed valve
Post by: JamesV6CDX on 11 April 2011, 11:43:46
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mine was not pre-fitted either, it was just based on the thread.

(http://dl.dropbox.com/u/803897/Omega/LPG/Day2and3/DSC00647.JPG)
 

Yours is a multivalve, so generally these don't come pre-fitted

Never known 4 hole tanks coming without valves before, though!
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 11:43:48
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mine was not pre-fitted either, it was just based on the thread.

(http://dl.dropbox.com/u/803897/Omega/LPG/Day2and3/DSC00647.JPG)
 
Yours is multivalve, very different, uses a rubber seal iirc
Title: Re: LPG Liquid feed valve
Post by: tunnie on 11 April 2011, 11:52:21
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mine was not pre-fitted either, it was just based on the thread.

(http://dl.dropbox.com/u/803897/Omega/LPG/Day2and3/DSC00647.JPG)
 
Yours is multivalve, very different, uses a rubber seal iirc

Well thats your fault for buying a stupid tank with more holes  ;D
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 11:54:44
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mine was not pre-fitted either, it was just based on the thread.

(http://dl.dropbox.com/u/803897/Omega/LPG/Day2and3/DSC00647.JPG)
 
Yours is multivalve, very different, uses a rubber seal iirc

Well thats your fault for buying a stupid tank with more holes  ;D
Power is for gentlemen of a certain age. 4 pots are for useless students. Learn and get over it ;)
Title: Re: LPG Liquid feed valve
Post by: Kevin Wood on 11 April 2011, 12:29:11
I would imagine the fitting has a tapered thread rather than seat, allowing it to seal with a little adjustability in the angle.

The question is: what "compound" is used to seal them?

Gut feeling is that PTFE gas tape might do the job, but mine looks to have been sealed with a paste of some sort. Given the PITA involved in resealing, it needs to be done the "correct" way.

Kevin
Title: Re: LPG Liquid feed valve
Post by: Marks DTM Calib on 11 April 2011, 12:32:14
I would have thought liquid PTFE would be the way to go
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 12:55:37
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I would have thought liquid PTFE would be the way to go
Got a name and where I can get it? ie, something B&Q or Wickes, given the lack of anything useful around here.

Does it have to be gas specific - ie, not normal plumbers stuff?
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 13:09:09
This:

http://www.screwfix.com/p/ptfe-gas-tape-pack-of-10/53966

combined with this

http://www.screwfix.com/p/no-nonsense-ptfe-liquid/40302

??


So remove valve (could be easier said that done!), clean up thread of threadlock, wrap in PTFE tape, add some PTFE liquid "to make sure", screw back in?
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 13:11:43
or

http://www.screwfix.com/p/liquid-ptfe-50g/30469

given that the reviews on the No-Nonsesne liquid I posted earlier imply its shite! And this one mentions LPG
Title: Re: LPG Liquid feed valve
Post by: aaronjb on 11 April 2011, 13:37:18
Get some Loctite pipe sealant: http://www.screwfix.com/p/loctite-pipe-sealant-63g/72039

I seem to recall that's the red stuff, in which case it's used by BA on various aircraft air & liquid systems so I'd imagine it'd be fine for LPG ;)

"Yellow sh*t" is better, but a) I don't know the proper name for it and b) I don't know anywhere to get it outside of the fitters at my Dad's place (they're plumbing things like liquid nitrogen and liquid oxygen feeds @ 20bar and use this stuff)
Title: Re: LPG Liquid feed valve
Post by: PhilRich on 11 April 2011, 16:13:50
'Rocol Gas Seal' paste is a good bet  :y
Title: Re: LPG Liquid feed valve
Post by: aaronjb on 11 April 2011, 16:44:10
http://www.aiworkwear.co.uk/1643/b577-yellow-pipe-sealant-50ml-bondloc-from-ai-workwear < I'm fairly sure that's the aforementioned 'yellow sh*t' btw.. but I can check if you want.
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 18:51:38
Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.
Title: Re: LPG Liquid feed valve
Post by: Kevin Wood on 11 April 2011, 18:58:51
Just get a reel of gas approved PTFE tape. :y

B&Q's yer man. Sure the chavs 'll have one of them. They sell some pretty distasteful interior decor and fittings ;D
Title: Re: LPG Liquid feed valve
Post by: Kevin Wood on 11 April 2011, 19:00:00
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 19:08:02
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Gauge reads 50% (max=80%), as the cripple insisted I try to find some lag on this setup, and it was rude not to oblige....
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 19:10:03
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Just get a reel of gas approved PTFE tape. :yB&Q's yer man. Sure the chavs 'll have one of them. They sell some pretty distasteful interior decor and fittings ;D





I seem to remember that LPG degrades ptfe tape over time iirc? :-/
Gas approved PTFE ;)
Title: Re: LPG Liquid feed valve
Post by: Lazydocker on 11 April 2011, 19:17:19
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Gauge reads 50% (max=80%), as the cripple insisted I try to find some lag on this setup, and it was rude not to oblige....
break orf! :D

But before we do it again can you get some decent rubber on there please ::)

To put this to bed I had a chat with someone in the know today... It is a tapered thread and should seal at a tad over hand tight... Gas PTFE and some LPG suitable liquid stuff is just a belt and braces approach :y

The tank was supposed to have been valved and boxed when delivered >:(
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 19:21:01
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Gauge reads 50% (max=80%), as the cripple insisted I try to find some lag on this setup, and it was rude not to oblige....
break orf! :D

But before we do it again can you get some decent rubber on there please ::)

To put this to bed I had a chat with someone in the know today... It is a tapered thread and should seal at a tad over hand tight... Gas PTFE and some LPG suitable liquid stuff is just a belt and braces approach :y

The tank was supposed to have been valved and boxed when delivered >:(
But potentially still would have leaked, unless sealent is the norm when they fit?
Title: Re: LPG Liquid feed valve
Post by: Lazydocker on 11 April 2011, 19:29:50
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Gauge reads 50% (max=80%), as the cripple insisted I try to find some lag on this setup, and it was rude not to oblige....
break orf! :D

But before we do it again can you get some decent rubber on there please ::)

To put this to bed I had a chat with someone in the know today... It is a tapered thread and should seal at a tad over hand tight... Gas PTFE and some LPG suitable liquid stuff is just a belt and braces approach :y

The tank was supposed to have been valved and boxed when delivered >:(
But potentially still would have leaked, unless sealent is the norm when they fit?
They probably would take the belt and braces approach automatically... But never mind... It's a learning curve and that's another lesson learnt! And the required bits may come in hand at a later date ::)
Title: Re: LPG Liquid feed valve
Post by: TheBoy on 11 April 2011, 19:31:54
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Needs to be soething I can pick up tomorrow. Live in Brackley, work in chavtown. Neither have anything useful.


Tried ShitFix in Banbury. Waste of an hour, a gallon of LPG, and 20,000miles of rear rubber. And I checked with them that they had stock first. Banbarians = Thick inbred retards.

Only another 13 to go and you'll be able to fix the tank valve. :y
Gauge reads 50% (max=80%), as the cripple insisted I try to find some lag on this setup, and it was rude not to oblige....
break orf! :D

But before we do it again can you get some decent rubber on there please ::)

To put this to bed I had a chat with someone in the know today... It is a tapered thread and should seal at a tad over hand tight... Gas PTFE and some LPG suitable liquid stuff is just a belt and braces approach :y

The tank was supposed to have been valved and boxed when delivered >:(
But potentially still would have leaked, unless sealent is the norm when they fit?
They probably would take the belt and braces approach automatically... But never mind... It's a learning curve and that's another lesson learnt! And the required bits may come in hand at a later date ::)
Aye, sounds like a couple more soon....
Title: Re: LPG Liquid feed valve
Post by: JamesV6CDX on 11 April 2011, 19:35:28
My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Title: Re: LPG Liquid feed valve
Post by: feeutfo on 11 April 2011, 22:27:38
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!
Title: Re: LPG Liquid feed valve
Post by: Lazydocker on 11 April 2011, 22:47:04
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)
Title: Re: LPG Liquid feed valve
Post by: tunnie on 11 April 2011, 22:50:01
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D
Title: Re: LPG Liquid feed valve
Post by: CaptainZok on 11 April 2011, 22:52:09
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D
Don't forget to have a hissy fit when you lose your post count student. ;D ;D
Title: Re: LPG Liquid feed valve
Post by: Andy B on 11 April 2011, 22:53:19
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....
Don't forget to have a hissy fit when you lose your post count student. ;D ;D

should that be a Lizzy fit?  ::) ::) ::) ;)
Title: Re: LPG Liquid feed valve
Post by: tunnie on 11 April 2011, 22:53:21
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D
Don't forget to have a hissy fit when you lose your post count student. ;D ;D

Handbag is at the ready!  :D
Title: Re: LPG Liquid feed valve
Post by: Lazydocker on 11 April 2011, 23:20:42
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D

Let's not be silly here......... That'll never happen :D :D :D
Title: Re: LPG Liquid feed valve
Post by: feeutfo on 11 April 2011, 23:21:47
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Quote
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D

Let's not be silly here......... That'll never happen :D :D :D
Well, he never said what sort of diet... ::)
Title: Re: LPG Liquid feed valve
Post by: Lazydocker on 11 April 2011, 23:23:43
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My tank was a stacko from tinleytech, the valves were pre-fitted with some red gunk around the threads..
Blue gunk on this one.

Another vote for ptfe. Btw!

We've spoken today... He knows what's needed ;) ;)

He is going on a diet?  :o :o   ;D ;D

Let's not be silly here......... That'll never happen :D :D :D
Well, he never said what sort of diet... ::)

Curreeeeeeeyyyy time!!!!! ;D ;D ;D ;D ;D ;D