Glossary

A-Z glossary of sealing, hydraulic, and pneumatic engineering terms.

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This glossary contains definitions for common terms used in sealing, hydraulic, and pneumatic engineering. Browse the alphabet above to jump to a specific section. The glossary covers terminology related to O-rings, hydraulic seals, pneumatic seals, compression packing, gaskets, expansion joints, filtration, and valve technologies from Parker Hannifin and Garlock Sealing Technologies.