vwalan
Funster
could have got a propane bottle filler n saved youself couple of hundred quid. never mind. have fun filling up in spain.
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Funny Money, when you say you can smell it.
Do you smell the difference: -
When it burns with an open flame (cooker ring)?
When it burns with an enclosed flame (heater)?
When it's switched off?
Between when you turn the gas on and when you light it?
Ie unburnt gas.
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BarryD, if you
You should be OK.
- fit an auto gas connector to the side of your M/H
- Run a high pressure hose with a bottle connector to your gas locker
That's what they have the gas on the forcourt for.
Filling through autogas connectors.
The auto gas connector has an excess flow valve in it.
If something goes wrong when you disconnect the line from the pump
The excess flow valve shuts off the supply.
The downside is that the hose from the auto gas connector to the cylinder connector is full of liquid, which will squirt about the jockey when you disconnect.
I fitted a ball valve from a hydraulic line maker next the cylinder connector on my refuelling hose.
I shut the cylinder valve and the ball valve before I disconnect the cylinder, which I do off the forecourt in a well ventilated area like on the top of rising ground in an area without drains, culverts, cellars etc.
Then I bleed a little of the liquid gas out of the hydraulic hose to give the liquid inside room to expand as the temperature rises.
Incidentally, if you fill your cylinders in the cool of the morning, you get more LPG for your donks.
Isnt that what I have with the Gaslow system. I fitted Gaslow as this is what everyone seemed to recommend. Your right though it does squirt back at you when you disconnect which is a bit scary at first. You have to remember I am a complete dunce when it comes to fitting anything and certainly wouldnt even consider messing on with hoses and gas bottles. I would rather pay a pro to fit it properly and know its going to work (hopfully). I am interested why you should get more LPG for your money when its cold. How come or are you joking?[/QUOTE]
dont know if its worth it for LPG 'cos the auto valve shuts off at 80% full and when it expands it will be over the recommended fill limit.
definately works for petrol though. cold petrol is denser than warm petrol so you do indeed get more for your pound.
go mid afternoon and the underground tanks have warmed up and the petrol has expanded so less for your pound.
i reckon the amount is miniscule and not worth the bother though. :Blush:
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Incidentally, if you fill your cylinders in the cool of the morning, you get more LPG for your donks.
Liquid propane expands as it get warm.
That's why you can't fill the cylinder to full.
A litre of cold LPG expands to well over a litre when it's warm.
.
sorry 45er, you just shot down your own advise there.
fill your bottle in the morning when the tank is cold and the gas will expand to well over its cold volume as it warms, which means you are OVERFILLING the bottle past a safe 80%
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oh well takes allsorts. didnt have to join in anyway! who spent all the money on old gas bottles, if you cant be safe to fill a bottle you arent safe to fill anything . even bulkhead mounting a fill point is only like changing a pipe. dance on we dont care. have a nice trip, enjoy mongo:thumb:
'fill your bottle in the morning when the tank is cold and the gas will expand to well over its cold volume as it warms, which means you are OVERFILLING the bottle past a safe 80%'
Duh!!!!
Where do they get their mumbo jumbo from?
If I'm filling to 80%,
how can I be over filling to past 80%?
Get your neurones into gear before you finger you engage your keyboard lads.
Propane gas cylinders should only be filled up to the 80% mark with LPG
so as to leave room for the LPG to expand when it gets V hot.
There's enough room in the space above the LPG for it too expand by 25%.
25% is ample safety margin.
That 25% tolerance is enough to cover the expansion from freezing cold to boiling hot and some.
Will someone else explain to the mumbo jumboers why 20% space at the top is a 25% safety margin please?
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Barry D, if you look at it from the point of view of a man filling the propane tanks on his LPG fuelled 7.4 litre 8mpg leviathon does it still look DA?
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propane is a liquid, when the pressure drops it becomes a gas, any residue will be at the bottom of the tank, gas leaves at the top. no problem, you know it is empty when the gas goes out. a gauge will only show when the last of the liquid has turned to gas and the pressure drops otherwise it is constant. Only genuine way is to use see through bottles then you can see what is left, why bother just carry a spare.
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You can convert diesels Barry, but wasn't very reliable.
Petrol engines convert easily.
DA = anal
Tighter than a duck's a**e.
They have to be water-tight or the duck'll sink, so the story goes.
'fill your bottle in the morning when the tank is cold and the gas will expand to well over its cold volume as it warms, which means you are OVERFILLING the bottle past a safe 80%'
Duh!!!!
Where do they get their mumbo jumbo from?
If I'm filling to 80%,
how can I be over filling to past 80%?
Get your neurones into gear before you finger you engage your keyboard lads.
Propane gas cylinders should only be filled up to the 80% mark with LPG
so as to leave room for the LPG to expand when it gets V hot.
There's enough room in the space above the LPG for it too expand by 25%.
25% is ample safety margin.
That 25% tolerance is enough to cover the expansion from freezing cold to boiling hot and some.
Will someone else explain to the mumbo jumboers why 20% space at the top is a 25% safety margin please?
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