Easy Turn Filler Cap Replacement O-Ring, Buna Material
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Frequently Asked Questions
A: Buna is a synthetic rubber compound suitable for use with many fluids. Buna components may need to be replaced by a material compatible with the specific chemistry of some fluids.
A: Applied periodically, a light coating of Dielectric grease has proven to work well as an O-ring lubricant.
A: It is not necessary to bottom the fill cap into the bung−just adequately seat the O-ring. The radial squeeze action on the O-ring creates a positive seal and helps prevent the cap from coming loose.