What is types of mechanical seals ?

Thank you Mohamed for your question , I do agree with our friend Mohamed Hamed,s answer and believe it is comprehensive.

• Inflatable seal
• Induction sealing or cap sealing
• Adhesive, sealant
• Bodok seal, a specialized gas sealing washer for medical applications
• Bridgman seal, a piston sealing mechanism that creates a high pressure reservoir from a lower pressure source
• Bung
• Compression seal fitting
• Diaphragm seal
• Ferrofluidic seal
• Gasket or Mechanical packing
• Flange gasket
• O-ring
• O-ring boss seal
• Piston ring
• Glass-to-metal seal
• Glass-ceramic-to-metal seals
• Heat seal
• Hose coupling, various types of hose couplings
• Hermetic seal
• Hydrostatic seal
• Hydrodynamic seal