Omega Owners Forum - LPG Tank Options

Lazydocker

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Re: LPG Tank Options
Reply #30 - 07. May 2011 at 16:22

blackviper90210 wrote on 07. May 2011 at 15:51:

Hi guys,

I have LPG already installed in my car (done before I got it), I know nothing about them and reading this thread was interesting.
In idiot language, what is:

Multivalve/ 4 pot and gas tight box? please.

I have a doughnut 50ltr in the wheel well of my estate, thats about all I know and that I get 200miles out of it! Roll Eyes

Basically a multivalve fits into a single hole tank and has 4 functions from the one valve: Fill, feed, level sensor and pressure relief. Because all 4 functions are performed by the same valve the liquid feed can be restricted and general view is that a multivalve isn't good for high demand fuelling.

A 4 hole tank has 4 separate holes for each of the above functions and can deliver a greater flow rate of liquid.

The gas tight box (or vapour box) is designed to contain any potential leak (if the tank over pressurised and had to vent some for example) and vent it safely to the outside of the vehicle via vent hoses Thumbs Up!

Hope that helps Thumbs Up!

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blackviper90210

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Bromsgrove, West Midlands
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Re: LPG Tank Options
Reply #31 - 07. May 2011 at 17:00

Lazydocker wrote on 07. May 2011 at 16:22:

blackviper90210 wrote on 07. May 2011 at 15:51:

Hi guys,

I have LPG already installed in my car (done before I got it), I know nothing about them and reading this thread was interesting.
In idiot language, what is:

Multivalve/ 4 pot and gas tight box? please.

I have a doughnut 50ltr in the wheel well of my estate, thats about all I know and that I get 200miles out of it! Roll Eyes

Basically a multivalve fits into a single hole tank and has 4 functions from the one valve: Fill, feed, level sensor and pressure relief. Because all 4 functions are performed by the same valve the liquid feed can be restricted and general view is that a multivalve isn't good for high demand fuelling.

A 4 hole tank has 4 separate holes for each of the above functions and can deliver a greater flow rate of liquid.

The gas tight box (or vapour box) is designed to contain any potential leak (if the tank over pressurised and had to vent some for example) and vent it safely to the outside of the vehicle via vent hoses Thumbs Up!

Hope that helps Thumbs Up!

Cheers for that Lazydocker, that makes sense to me, lol. Will have a look at mine and see what kit mine is. Saying that I don't really have a clue what I'm bloody looking at Grin

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Cliffo B Omega Baron Offline Posts: 2754 Leeds West Yorkshire Gender: Drives: '03 elite 3.2 estate	Re: LPG Tank Options Reply #32 - 07. May 2011 at 17:27 A very good move haveing Kevin do the manifold wish I'd have gone that route,my conclusion in the end was its one of those jobs you need practice on before you come good at it (drilling angles etc) and there's also the cost of a thread tap + arbour, 2 drill bits, cutting compound,and thread sealing compound.
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Cliffo B Omega Baron Offline Posts: 2754 Leeds West Yorkshire Gender: Drives: '03 elite 3.2 estate	Re: LPG Tank Options Reply #33 - 07. May 2011 at 17:52 Ok L.D. I'll try and put together the final routine, materials and pitfalls, I arrived at for fixing in the tank, it should help a lot once known, a job as complicated as this could possibly be improved on,knowing my style expect a long read
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Lazydocker

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Re: LPG Tank Options
Reply #34 - 07. May 2011 at 17:55

Cliffo B wrote on 07. May 2011 at 17:52:

Ok L.D. I'll try and put together the final routine, materials and pitfalls, I arrived at for fixing in the tank, it should help a lot once known, a job as complicated as this could possibly be improved on,knowing my style expect a long read Thumbs Up!

Glad you've finally come around to my way of thinking Thumbs Up!

You can email it to me if you like... I'm happy to put a how 2 together once I've actually done the job, but not until then Wink

I reckon I'm going to try and get a 630x270mm 72L tank Thumbs Up!

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TheBoy

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Re: LPG Tank Options
Reply #35 - 08. May 2011 at 10:24

Lazydocker wrote on 07. May 2011 at 16:22:

Basically a multivalve fits into a single hole tank and has 4 functions from the one valve: Fill, feed, level sensor and pressure relief. Because all 4 functions are performed by the same valve the liquid feed can be restricted and general view is that a multivalve isn't good for high demand fuelling.

A 4 hole tank has 4 separate holes for each of the above functions and can deliver a greater flow rate of liquid.

Though my 3.0l MV6, chipped, is fine on a decent flow multivalve...

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hotel21 Administrator Offline Posts: 12766 Doghouse Gender: Drives: into lamposts	Re: LPG Tank Options Reply #36 - 09. May 2011 at 22:54 Couple of Q's. Is it being filled via the adaptor visible when the tailgate is open? Guessing not, as that would defeat the purpose of loading an estate to maximum? What is used for the height packer? Insulation sheets? Blockboard or marine ply would add to the weight big style... Otherwise, looks like a workable concept.
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Lazydocker

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Re: LPG Tank Options
Reply #37 - 09. May 2011 at 23:23

hotel21 wrote on 09. May 2011 at 22:54:

Couple of Q's.

Is it being filled via the adaptor visible when the tailgate is open? Guessing not, as that would defeat the purpose of loading an estate to maximum?

What is used for the height packer? Insulation sheets? Blockboard or marine ply would add to the weight big style...

Otherwise, looks like a workable concept. Wink

Nope filler mounted elsewhere, tow bar is my position of choice Thumbs Up!

Insulation sheets to raise and then hard board to top it, then re-fit carpet if you choose to Thumbs Up!

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Lazydocker Omega King Offline Victim of Pinky's Power Trip! Posts: 11336 Woodbridge, Suffolk Gender: Drives: 2003 3.2 Elite Estate LPG Converted, inspected and Certified	Re: LPG Tank Options Reply #38 - 11. May 2011 at 12:46 The dilemma continues... 650x270, 77L tank is £75 cheaper than 630x270 Might have to go for the larger one and do the modifications after all!
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henryd Omega Baron Offline Posts: 2172 west cornwall Gender: Drives: Merc E220 estate,previous ride 2.5 elite estate	Re: LPG Tank Options Reply #39 - 11. May 2011 at 14:11 Lazydocker wrote on 11. May 2011 at 12:46: The dilemma continues... 650x270, 77L tank is £75 cheaper than 630x270 Might have to go for the larger one and do the modifications after all! is it viable to chop the bottom out of the wheel well and get the tank lower so as not to lose so much load area?
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Lazydocker

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Re: LPG Tank Options
Reply #40 - 11. May 2011 at 14:17

henryd wrote on 11. May 2011 at 14:11:

Lazydocker wrote on 11. May 2011 at 12:46:

The dilemma continues...

650x270, 77L tank is £75 cheaper than 630x270 Shocked

Might have to go for the larger one and do the modifications after all! Undecided

is it viable to chop the bottom out of the wheel well and get the tank lower so as not to lose so much load area?

Not really, there's not a lot of clearance between the wheel well and the tank.

That's not a concern to me, it's just getting the air tight box into the well that's an issue

There are smaller tanks available but that, obviously, impacts on the range

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« Last Edit: 11. May 2011 at 14:19 by Lazydocker »

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