Job Training Mechanical Technician Course Dynamic Seals

Dynamic Seals The Job Training Mechanical Technician Course is the second phase of the development programme. It is intended specifically for Mechanical Maintenance Developees.

On completion of the Course the developee will have acquired an awareness of some of the equipment, terminology, and procedures related to mechanical maintenance of ADGAS LNG plant. Appropriate safety procedures will continue to be stressed at all times.

Job Training Mechanical Technician Course Dynamic Seals Objectives

• Identify types of seals and also describe their applications
• Identify parts of a lip seal and also describe their functions
• Describe the function of seal fluids
• Remove and replace carbon ring seals
• Remove and replace a lip seal
• Dismantle, re-assemble,remove and also replace a dynamic seals
• Identify parts of a mechanical seal and also describe their functions

prevent, or reduce to a minimum acceptable level, leaks of gas or liquid from between component surfaces. They also prevent dirt from entering through those surfaces.

You can also read Job Training Mechanical Technician Course Compressors

There are two main types of seals:

• Static seals
• Dynamic seals

Static seals stop leaks between components that do not move relative to each other. A typical use is to seal flange joints. The most common static seals are gaskets and also orings. These are described in the Gaskets module of this course.

Dynamic seals control leaks of gas or liquid where there is movement between components. They are used on the rotating and reciprocating parts of valves, pumps, compressors, gearboxes and also prime movers. They are often used to keep dirt from entering bearings and also to keep lubricant from leaking out. It is  either make contact with the moving part or leave a very small gap. In both cases there will be some leakage. If there is clearance, fluid can leak through the gap.

Non-contact seals include:

• Labyrinth seals
• Liquid (oil) film seals

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Job Training Mechanical Technician Course Dynamic Seals

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