Campervan_man
Free Member
- Jun 24, 2019
- 997
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- Funster No
- 61,896
- MH
- Dethleffs Globebus
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- 2000
Topped up My Motor home 11KG Gaslow Bottle today as I was passing a busy Asda LPG Filling Station.
It took 9.8L of gas to fill up. The bottle holds circa 17.6L of gas. { 22L X 80% }
I removed the LPG filling nozzle and there was a slow hissing leak, enough of a leak to make the filler cap icy white. I re-attached the filling nozzle to put more gas in the bottle to re-seat the mechanical valve but as the gaslow bottle was full no more LPG would go in.
I paid for the gas and drove around the corner and parked up to inspect.
The Gaslow LPG bottle was turned off for filling.
To quote the internet:-
Fillpoint leaking after filling up with LPG.
Solution
In every GAS IT LPG fill point there is a valve that is designed to close when the fill gun is removed but on the very rare occasion the vehicle filling up on the same pump before you didn't have a dust cap or lid on the fillpoint ( its a legal requirement under R67 to have some means of a dust cover ) and they got dirt ( mud, grit etc ) then this mechanical dirt can be pushed into the fillpoint and hold this non return valve slightly open which will cause the fillpoint to let the gas back out. Now as these leaks are usually very small, the excess flow valve in the 80% shut off valve won't see a big enough pressure drop and it will continue to leak out until the bottle or tank is empty.
The first thing you need to do if you suspect the fillpoint is leaking is to re attach the fill gun and try and pump a little more gas in. This will generally push the dirt from the valve in the fillpoint down into the tank or bottle. The benefit of having the fill gun re attached as though you are filling up is this will make the fillpoint fully sealed and will stop the leak - so you can then contact GAS IT or a local LPG installer who can come and help you out.
To stop this happening in the first place, we recommend you do a visual check of the fill gun before you put it on your vehicle to make sure its not covered in dirt or mud. You can also buy a filter that screws in the fillpoint before you fill up so that any mechanical dirt is kept away from the valve in the fillpoint and also the 2nd valve in the 80% shut off valve in tank or bottle.
It's GAS IT Part number is GI-0055 and description is 'UK Fillpoint Bayonet and Direct Gas In © Filters'
Upshot:-
Even with the gas bottle turned off I lost 4L of gas over several hours. Having some capacity to now re-fill I put 2L of LPG back in and removed the filling pump nozzle to check if the valve had now re-seated and re-sealed.
and it had. I put another 2L of LPG in to fill the system to MAX. Again I checked that the valve had re-sealed which it had. Just wanted to share this info.
I do have a dust cap on My gas fill point and this has not happened before. I have ordered a new fill point in case it happens again, handy to have a spare in case I am away on holiday with a leaking LPG fill point valve and no spare part within miles.
It took 9.8L of gas to fill up. The bottle holds circa 17.6L of gas. { 22L X 80% }
I removed the LPG filling nozzle and there was a slow hissing leak, enough of a leak to make the filler cap icy white. I re-attached the filling nozzle to put more gas in the bottle to re-seat the mechanical valve but as the gaslow bottle was full no more LPG would go in.
I paid for the gas and drove around the corner and parked up to inspect.
The Gaslow LPG bottle was turned off for filling.
To quote the internet:-
Fillpoint leaking after filling up with LPG.
Solution
In every GAS IT LPG fill point there is a valve that is designed to close when the fill gun is removed but on the very rare occasion the vehicle filling up on the same pump before you didn't have a dust cap or lid on the fillpoint ( its a legal requirement under R67 to have some means of a dust cover ) and they got dirt ( mud, grit etc ) then this mechanical dirt can be pushed into the fillpoint and hold this non return valve slightly open which will cause the fillpoint to let the gas back out. Now as these leaks are usually very small, the excess flow valve in the 80% shut off valve won't see a big enough pressure drop and it will continue to leak out until the bottle or tank is empty.
The first thing you need to do if you suspect the fillpoint is leaking is to re attach the fill gun and try and pump a little more gas in. This will generally push the dirt from the valve in the fillpoint down into the tank or bottle. The benefit of having the fill gun re attached as though you are filling up is this will make the fillpoint fully sealed and will stop the leak - so you can then contact GAS IT or a local LPG installer who can come and help you out.
To stop this happening in the first place, we recommend you do a visual check of the fill gun before you put it on your vehicle to make sure its not covered in dirt or mud. You can also buy a filter that screws in the fillpoint before you fill up so that any mechanical dirt is kept away from the valve in the fillpoint and also the 2nd valve in the 80% shut off valve in tank or bottle.
It's GAS IT Part number is GI-0055 and description is 'UK Fillpoint Bayonet and Direct Gas In © Filters'
Upshot:-
Even with the gas bottle turned off I lost 4L of gas over several hours. Having some capacity to now re-fill I put 2L of LPG back in and removed the filling pump nozzle to check if the valve had now re-seated and re-sealed.
and it had. I put another 2L of LPG in to fill the system to MAX. Again I checked that the valve had re-sealed which it had. Just wanted to share this info.
I do have a dust cap on My gas fill point and this has not happened before. I have ordered a new fill point in case it happens again, handy to have a spare in case I am away on holiday with a leaking LPG fill point valve and no spare part within miles.
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