Mechanical seals contain pressure, or exclude contamination from an enclosure.

Seal types;

• O-ring
• Labyrinth seal
• Compression seal
• Adhesive, sealant
• Gasket
• Wiper seal
• Coating
• Plug
• Diaphragm
• Hydrostatic seal
• Hydrodynamic seal
• Radial Shaft Seal
• Bridgman seal