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Old 23-07-2008, 23:46   #1
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GRP Diesel Tanks

Hi there,

I have to replace the diesel tanks on my boat and right now the old stanless steel tanks have been removed. Their sizes are 2 X 250 liter.

It was recommended to me to replace these with GRP tanks.

Is there anybody out there who is using GRP tanks for diesel and what recommendations would you have for me?

Would i t be advisable to use GRP?

Thank you very much and kind regards,

Frank
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Old 24-07-2008, 01:02   #2
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are the stanless tanks leaking? I heard that GRP tanks are no good with bio diesels ? but I am no expert
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Old 24-07-2008, 03:28   #3
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A friend has GRP tanks in his sailboat and they have shed fibres clogging not just the filters but the fuel line fittings as well
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Old 24-07-2008, 05:57   #4
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I had a GRP tank in a previous boat that proved trouble free for 10 years and as far as I know is still performing well. One thing I did like was the ability to be able to actually see the fuel level through the side of the tank.
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Old 24-07-2008, 06:24   #5
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If you go with GRP be sure to use the correct resin. Standard polyester will not do, there are some vinyl ester resins that will last even with biodiesel or gas with ethanol. I will be building GRP diesel tanks for my project in the near future and have contacted the resin suppliers for resin specs. Like anything else, workmanship counts if you don't want the tank to shed from the inside out. GRP tanks don't corrode, which to me is a big plus.
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Old 24-07-2008, 08:23   #6
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Epoxy Tanks

I am replacing the SS tanks both water and fuel with epoxy GRP tanks built into the boat. From my research bio diesel should not be a problem. The problem is ethanol added into petrol, if you are using petrol as a fuel you will probably need to go to aluminum.
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