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Old 01-19-2013, 09:50 PM
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Getting back to the OP question. If the valve you want to use has o-rings or other rubber parts it would be best to soak it in brake fluid for a while and see if that effects it's operation. Years ago I worked for a marine (ships) control company. We had installed a shaft brake on a tugboat. Think disc brake, only with a 36" rotor and caliper with 4" pucks. We installed the unit, tested it and want on our way. A few days later got a call that the brake was stuck on and they couldn't get it to release. I went down and struggled for hours to slide the caliper off the disc. Finally got it off and was able to get a puck out of the caliper. The 4" o-ring blew up to about 3' in diameter and the cross section went from 3/16" to about 1/2". So yes, incompatible fluid can effect rubber parts!
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