Thread: Mercedes C250 TD Viton fuel system O'rings

Ask silver saloon here, he might have some for sale

Eriks are supposed to have a vast range of viton seals and o-rings. They will supply viton with correct formulation to cope with methyl esters veg etc. http://www.eriks.co.uk/o-rings/ Polymax only sell standard viton. Uncle Slabs

Glycerides ( Andy) changed the O rings last year. He should know. Its the same car as yours

Quote: Originally posted by slabster Eriks are supposed to have a vast range of viton seals and o-rings. They will supply viton with correct formulation to cope with methyl esters veg etc. http://www.eriks.co.uk/o-rings/ Polymax only sell standard viton. Uncle Slabs From what I can make out, Polymax only sell V75 Viton which according to Eriks ...

Hmmm.. just been on Duponts website and there seems to be a different type of Viton for every chemical. What protects against methanol is poor for something else. So, what is the reason VEG is damaging to rubber? Is there an acid in it, or an active ingredient? Mark.

I'd just get new ones from Merc...they're a buna-nitrile compound like all decent O rings, not rubber. Viton could be anything on ebay.

Quote: Originally posted by MarkW996 Quote: Originally posted by slabster Eriks are supposed to have a vast range of viton seals and o-rings. They will supply viton with correct formulation to cope with methyl esters veg etc. http://www.eriks.co.uk/o-rings/ Polymax only sell standard viton. Uncle Slabs From what I can make out, Polymax ...

This is a paper I refered to in the past There a pears to be no referance to V75? or am I missing something http://www.dupontelastomers.com/literature/viton/2 0E5483C5825D739852573670047... US

The references to V75 were all on Eriks website, there are no real references to V75 on Polymax's website except all the part numbers end in V75. When I looked at Duponts Viton brochure I found no mention of V75 either http://www.dupontelastomers.com/literature/viton/A 894E7181ADD510E852574CE0062... but I was wondering which type of Viton is best for veg, as it may not be the best ...

Erics reference for viton suitable for biodiesel http://o-ring.info/en/datasheets%20o-ring/viton-fk m/ERIKS%20-%20Genuine%20Vit... Uncle Slabs