Piston seals (piston rings or piston packing) are a type of hydraulic and pneumatic cylinder component. The main utility of these seals is to prevent the leakage of fluid between the piston and the cylinder bore, allowing pressure build-up and efficient motion control. Good sealing makes the cylinder more efficient, causes fewer losses of energy and a longer service life.
Types of Piston Seals
Single-Acting Piston Seals
Valves designed for unidirectional sealing. Working fluid is only applied to one side of the piston in single-acting cylinders.
Double-Acting Piston Seals
Double acting seal is for both-directional sealing where pressure acts alternatively on two sides of the piston.
Compact Piston Seals
This one groove combines multiple sealing elements in a compact design for higher sealing performance.
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