Re: Cork or Paper gasket ??

Posted by Ken McWilliams on April 26, 2001 at 09:44:42 from (38.232.245.103):

In Reply to: Cork or Paper gasket ?? posted by Courtland on April 26, 2001 at 04:44:03:

The choice of gasket material depends on the circumstances.

In your situation, you have a machined surface being mated to a stamped oil pan. A thick compliant gasket would be the best choice, because the oil pan may not be perfectly flat from the drawing/stamping process. Also, there's not differential pressure, because the crankcase is vented.

Uses for paper gaskets are where pressure will be present. You'll find these types of gaskets in hydraulic systems. Often the rockshaft housing assembly will have internal hydraulic passages and where the passage goes from the transmission case to the housing you'll find a paper gasket. Normally the mating surfaces are machined flat and can be sealed with a paper gasket. Water pumps and thermostat housings have the same need.

If a cork gasket was used in high pressure situations, the gasket would be extruded from the sealing area and cause a leak.

A cork gasket is the best for the oil pan. In today's technology, RTV will also suffice, but doesn't look good on a parade tractor.

Ken McWilliams
Dayton, OH

Follow Ups:

• Re: Re: Cork or Paper gasket ?? bob 18:35:35 04/27/01 (0)

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