3/4" BSP Connector Wont stop leaking

[barney12]

Hi

Hope you can help! I've just been completing an on-suite bathroom re-fit. The bath fills from some deck mounted valves. The 22mm pipe connects via a compresion fitting to 3/4" BSP connector. I just cant get the BSP connector to seal properly (Just the BSP thread, compresion is A OK)? My latest attempt was with a good ten turns of PTFE tape AND a good dose of Fernox LS-X compound on the threads but the joints are still leaking if only by a 'tiny' ammount.
We have a whole house pump delivering 2.4 bar but at that end of the house its no doubt lower as its a good 15m away from the pump.

Can anyone suggest a solution? I'm doing my nut!

Thanks in advance.


Rob

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please note 5 your title has been edited

 

[keego]

Have you put a fibre washer in it as well as the PTFE?

 

[barney12]

Erm nope ?
Should I have? The thread end did'nt really have a flat surface that would indicate the need for a washer?

Rob

 

[keego]

It's not so much having a flat end on the fitting it's more to do with having a tapered or parallel thread, parallel threads need a washer & loads of PTFE.

 

[barney12]

oooooh me is feeling a bit of a newbie now

What do you mean by a tapered or parallel thread? The connector looks like this: http://www.screwfix.com/app/sfd/cat/pro.jsp?ts=92502&id=16363 is the same thing?
I guess I just place the fibre washer at the base of the fitting to help seal as best it can?
/me will have to go out and buy MORE ptfe tape

Thanks

Rob

 

[keego]

Thats a parallel thread & needs a washer.

 

[barney12]

Thanks Keego. Really appreciate your help.
/me is now feeling a bit of a divy !

Do I just need bog standard 3/4" fibre washers? (Not the flexible tap connector type?)

Rob

 

[wilhelm]

maybe you just put too much ptfe tape on, two wraps nice and tight.

have i started a ptfe



war

 

[barney12]

Dunno about a war but this newbie is as confused as hell

Rob

 

[wilhelm]

you want the tape to seat in the threads. bung loads on and it just scrunches up to the end. doing sweet all.

as for washer... i always think..imagine i aint got a washer, got to get round it, reach for the tape.

 

[brumylad]

If your really struggling to make the joint, you can get a hemp substitute for use on wholesome water supplies. Use it with joint compound.

 

[kevplumb]

why not use a flexi

 

[barney12]

Thanks for all the replies. After a tip from another forum I remade the joints using some Loctite 55 string.
http://www.loctite.com/int_henkel/loctite_me/index.cfm?pageid=528&layout=2
Amazing product its kinda hemp, compound and ptfe all rolled into one. ( winds on the threads screw um up and bobs your plumber!
Thanks again for all the tips this is a great forum.

Rob

 

[doitall]

Good ain't I, the poster obviously knows an advanced plumber when he sees one

 

[kevplumb]

scuse me if i dont split my sides

take it to your other forum

ENJOY