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? about o-ring kit from rdp

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Old Nov 24, 2009 | 09:18 PM
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? about o-ring kit from rdp

I am going to order some maint. stuff from Clay, but need to know which o-ring kit is for the drain valve on the fuel bowl. Also, do I order the black or the brown rings? Any input would be great and I didn't want to bother Clay this late. Thanks all
 
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Old Nov 24, 2009 | 09:35 PM
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Get the blue ones from Guzzle. Couple of bucks more.

They're fluorosilicone, and the absolute best ones, rated for military jet engines.

You'll likely NEVER replace them again.

Pop
 
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Old Nov 24, 2009 | 09:48 PM
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No problem Dave. Here is the link for you. These are Guzzle's o-rings, I just need to get a picture of the blue ones up.

Riffraff Diesel: Fuel Drain O-rings
 
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Old Nov 24, 2009 | 09:52 PM
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I second what Pop said. That's what's in mine now!
 
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Old Nov 24, 2009 | 10:31 PM
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Does anyone have the demensions of the orings for this kit?
 
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Old Nov 24, 2009 | 10:44 PM
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Originally Posted by crazymut
Does anyone have the demensions of the orings for this kit?
They're -202
ID is 1/4"
OD is 1/2"
cross section is 1/8"
 
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Old Nov 24, 2009 | 10:45 PM
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orings

Originally Posted by clux
They're -202
ID is 1/4"
OD is 1/2"
cross section is 1/8"
Thanks. I will check to see what I can come up with.
 
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Old Nov 24, 2009 | 10:54 PM
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Originally Posted by SpringerPop
Get the blue ones from Guzzle. Couple of bucks more.

They're fluorosilicone, and the absolute best ones, rated for military jet engines.

You'll likely NEVER replace them again.

Pop
I thought florosilicone isn't recommended for use with hydrocarbon fluid compounds?
 
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Old Nov 25, 2009 | 12:14 AM
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Fluorosilicone is widely used in the automotive and aerospace industries. The military has been using them in their aircraft for years and have been adopting them in land vehicles. Shelf life of the Fluorosilicone is 20 years whereas Viton is indefinite.

Fluorosilicone tears easier than Viton and some blends wear out rapidly.

You can find the inferior M25988/1 Fluorosilicone around but they are a softer material (Durometer 70) and do not hold up well for our drain valves. The M25988/2 are a harder Fluorosilicone that holds up great in the drain valve but will still tear if you try to stretch them too much. You won't find a bag of 20 M25988/2 anywhere, minimum special order is 700.

LINK: Parker Hannifin

"In the automotive market, fluorosilicones are the seal material of choice for handling gasoline, E85, diesel fuel, biodiesel and ULSD at extremely low temperatures."
 
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Old Nov 25, 2009 | 08:26 AM
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Thanks for the input.

"Shelf life of the Fluorosilicone is 20 years whereas Viton is indefinite."

So this is telling me that there is an indefinite expectation on the life of the black or brown o-rings?
 
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Old Nov 25, 2009 | 09:19 AM
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Indefinite - forever
 
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Old Nov 25, 2009 | 09:22 AM
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Thank you sir!
 
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