How to properly connect oil line to tank?

Mango Joe

Hey - I moved our tank a month or two ago and did a DIY job on connecting oil line to fuel filter.... At the time I remember googling for a detailed step by step guide but not actually finding much... For a finish I went to plumbing counter in local builders merchants and got the olive and nut required, lashed on a bit of plumbers tape and did my best..... Anyhow, not sure why am rambling on - its leaking very slightly & need to fix if tomorrow (have tap turned off as of now!)

Was hoping someone could post clear and fail proof instructions on doing this right as I don't want to loose my bit of oil

Any help would be gratefully appreciated.... Thanks.

PS someone mentioned there's supposed to be some sealer applied to the mix somewhere too?

aujopimur

My system was to compress the olive, undo the cap and wrap a bit of tape in front of the olive and tighten it again.
Tape anywhere else is of no use.
Over tightening is usually the caues of leaks as the copper pipe is very soft.

Dtp79

Mango Joe wrote: »

Hey - I moved our tank a month or two ago and did a DIY job on connecting oil line to fuel filter.... At the time I remember googling for a detailed step by step guide but not actually finding much... For a finish I went to plumbing counter in local builders merchants and got the olive and nut required, lashed on a bit of plumbers tape and did my best..... Anyhow, not sure why am rambling on - its leaking very slightly & need to fix if tomorrow (have tap turned off as of now!)

Was hoping someone could post clear and fail proof instructions on doing this right as I don't want to loose my bit of oil

Any help would be gratefully appreciated.... Thanks.

PS someone mentioned there's supposed to be some sealer applied to the mix somewhere too?

Get a plumber in for your own sake. If it goes pear shaped it will literally cost you thousands. An oil leak is so much worse than a water leak

shane0007

aujopimur wrote: »

My system was to compress the olive, undo the cap and wrap a bit of tape in front of the olive and tighten it again.
Tape anywhere else is of no use.
Over tightening is usually the caues of leaks as the copper pipe is very soft.

You should be using inserts for oil line compression joints. I use brass 10mm inserts.

scudo2

shane0007 wrote: »

You should be using inserts for oil line compression joints. I use brass 10mm inserts.

For coppor ?
I've never come across them. More info pz.
Always preferred stag (oil type) and hemp myself.

shane0007

scudo2 wrote: »

For coppor ?
I've never come across them. More info pz.
Always preferred stag (oil type) and hemp myself.

http://www.oftecdirect.com/Shop/BrowseCategory.aspx?ProductID=359

It is part of your OFTEC training & a method statement is fully stated within your control documentation.

See OFTEC Book 3 / 2.1.13 Compression Fitings with Internal Support

corkgsxr

scudo2 wrote: »

For coppor ?
I've never come across them. More info pz.
Always preferred stag (oil type) and hemp myself.

Me too. Messy but good stuff

Dtp79

corkgsxr wrote: »

Me too. Messy but good stuff

I thought hemp couldn't be used on oil?

corkgsxr

Dtp79 wrote: »

I thought hemp couldn't be used on oil?

Why not?

Dtp79

corkgsxr wrote: »

Why not?

I don't know to be quite honest. I was always told not to use hemp or to use solder fittings on oil. And I'm pretty sure I confirmed it when I did my Oftec training. I could be wrong

Froststop

shane0007 wrote: »

http://www.oftecdirect.com/Shop/BrowseCategory.aspx?ProductID=359

It is part of your OFTEC training & a method statement is fully stated within your control documentation.

See OFTEC Book 3 / 2.1.13 Compression Fitings with Internal Support

I have not come across these before. they would certainly be a good job as it has always been a problem with soft copper.

Are they available in most plumbing suppliers nowadays?
Can they be got in 8mm?

shane0007

Froststop wrote: »

I have not come across these before. they would certainly be a good job as it has always been a problem with soft copper.

Are they available in most plumbing suppliers nowadays?
Can they be got in 8mm?

No, can never get them in Ireland for some reason. I order mine from Heating World of Spares in the UK.
Not sure about 8mm as I would never be using soft copper in 8mm. Only hard copper for 8mm gas pipe. Same for 10mm gas, inserts are not required.

corkgsxr

You got any idea about hemp and stag on oil shane?

shane0007

corkgsxr wrote: »

You got any idea about hemp and stag on oil shane?

It's not a case that hemp is not allowed, it is more not approved. Hemp is used for water based products & is not approved by the manufacturer for use with oil based products.
Recommended products for use with oil are PTFE & petroleum based sealants.
Hemp is used with products such as Boss White & the like which is not suitable for petroleum based products.

aujopimur

The only time I used inserts was on Qualpex green oil line.

Dtp79

aujopimur wrote: »

The only time I used inserts was on Qualpex green oil line.

The little brass inserts also come with some remote acting fire valves. Very handy

.jacksparrow.

Ptfe and stag always do the job for me.

Dtp79

What's this stag yer all talking about?? I use red foliac

Froststop

Dtp79 wrote: »

What's this stag yer all talking about?? I use red foliac

It's much the same IMO just different manufacturers.

Dtp79

Froststop wrote: »

It's much the same IMO just different manufacturers.

Looks like right tack. At the moment I'm using unired, although its brown. Not messy at all

.jacksparrow.

Dtp79 wrote: »

What's this stag yer all talking about?? I use red foliac

Old school stuff, smells really bad and stains your fingers for days!

gifted

I was an apprentice on the mcdonalds in douglas in cork when it was built and all the gas pipe was done in stag, of course Bord Gas arrived on site and told us that they don't allow that stuff anymore and we had to change to ptfe, have a guess who got caught to strip out every screwed fitting and wire brush down and re tape with ptfe tape and by **** was there a lot of fittings..

Dtp79

gifted wrote: »

I was an apprentice on the mcdonalds in douglas in cork when it was built and all the gas pipe was done in stag, of course Bord Gas arrived on site and told us that they don't allow that stuff anymore and we had to change to ptfe, have a guess who got caught to strip out every screwed fitting and wire brush down and re tape with ptfe tape and by **** was there a lot of fittings..

I'm guessing you!!

Froststop

gifted wrote: »

I was an apprentice on the mcdonalds in douglas in cork when it was built and all the gas pipe was done in stag, of course Bord Gas arrived on site and told us that they don't allow that stuff anymore and we had to change to ptfe, have a guess who got caught to strip out every screwed fitting and wire brush down and re tape with ptfe tape and by **** was there a lot of fittings..

I guess ye used stag and flax?
Gas rots flax. I spent 7 weeks repairing leaks in the dental hospital a few years back. The gas pipe work in the whole building had to be done, it was a nightmare.

corkgsxr

Dtp79 wrote: »

Looks like right tack. At the moment I'm using unired, although its brown. Not messy at all

Im not a fan of the uni range at all. Donno why just never liked it.

esox28

Hello.....gas rots flax?

Wtf never heard that before, what sort of timeframe are we talking?

Froststop

esox28 wrote: »

Hello.....gas rots flax?

Wtf never heard that before, what sort of timeframe are we talking?

I don't know for sure, anyone know when the dental hospital was built in cork?
It took 7 weeks to repair all the threaded joints in the building as the pipes ran through every corridor and into all the labs. They were all made up with stag & flax and the flax was rotting causing hundreds of leaks.

esox28

Fook..
Was there an engineering report drafted on possible causes?
what size lines and pressure of gas?

I've worker along side loads of fitter and we've all used hemp from time to time, holy Crapo that's alot of fixing if tthis is TRUE.

Froststop

esox28 wrote: »

Fook..
Was there an engineering report drafted on possible causes?
what size lines and pressure of gas?

I've worker along side loads of fitter and we've all used hemp from time to time, holy Crapo that's alot of fixing if tthis is TRUE.

I couldn't believe it myself! pipe sizes from 1/4 & 3/8 on lab gas taps up to 2" main lines which were black iron. There was no report as it was kept quiet. We were told keep going until all line passed a pressure test.

I had been working in a lab when we discovered a leak as one of the staff mentioned they could smell gas at times so we tested the pipe work in the room. before we knew it we were half way around the building. Most were tiny and even hard to find but the flax was like rotten brittle straw, dried out and would break up if you just rolled it between your fingers. I have striped out older heating pipes and never came across flax in this condition.

I worked for a number of mechanical companies and in 25 years we never used flax on gas. I'm surprised it is being used TBH.

Dtp79

esox28 wrote: »

Fook..
Was there an engineering report drafted on possible causes?
what size lines and pressure of gas?

I've worker along side loads of fitter and we've all used hemp from time to time, holy Crapo that's alot of fixing if tthis is TRUE.

Oh it's true I'm afraid. I've never used flax on oil or gas. Always ptfe

esox28

That's good to know about flax gas treading, would never have known till im getting calls down the line which is probably inevitable. Any gb systems iv done recenty am back annually for servicing so will keep a close eye.

Started buy solar tubes from a company for the first time at the start of solar season,3 system into the summer and I start getting leak call backs in ascending order that the jobs started plus the leaks all in same spots, fiber washers were reacting, expanding and contracting with contact with the glycol resulting in leaks.
Rang the suppliers and was told "sorry we've had problems with them washers"
And sent out replacements.

Sound....only most of the job were half days work scaffolding x2 men to just get access.

Appoliges for rant

But point is the 'best will in the world' and pipes will still have leaks.

I've been using tubes of Teflon tread for oil-gas solar connection, just find the ****yy pulsar tape melts with kero.
I get it from hwos think its about £7 and the tube lasts ages.