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Mechanical Seals

Mechanical Skills

This comprehensive interactive multimedia training program consists of one lesson that trains participants to work effectively with mechanical seals. The functions, operation, and repair of common mechanical seals are demonstrated.

Audience: This program is excellent for all levels of maintenance personnel as well as for the multi-craft training needs of process and manufacturing facilities.

Number of Courses: 1

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Mechanical Seals

Prerequisites: This lesson is designed for participants familiar with the basic operation and maintenance of pumps and other rotating equipment.

Description: This lesson covers the features, operation, and applications associated with three common types of mechanical seals: single, double, and cartridge. The lesson presents specific procedures for failure analysis and identification, seal removal, disassembly, reassembly, and installation.


  • Identify the basic components of a mechanical seal
  • Identify sealing points and applications in which packing is installed to control process leakage as well as the types of materials commonly used to make seal faces and elastomers
  • Select the appropriate seal design for a specific type of application
  • Verify the compatibility of seal materials with the process fluids for a particular application
  • Perform a failure analysis to determine the cause of seal failure and to identify the means to correct the problem
  • Remove and disassemble a failed mechanical seal
  • Remove and replace the o-rings on a mechanical seal
  • Perform the preliminary checks prior to seal installation
  • Reassemble and install a new or repaired mechanical seal