Gaskets, Packing and Mechanical Seals
Fluid Control
Course Number: GPS-303
Course Description:
Leakage and how to control it sums up this course. Hands-on activities include gasket making, cutting and fitting packing for pump shafts and pneumatic pistons as well as choosing the right packing for an application. A large part of the course involves learning about mechanical seals, how they work, and how to service and install them. “Reading seal faces” to troubleshoot inherent problems and choosing the correct materials for stationary faces, rotating faces, and secondary static seals will be discussed. Single, double, tandem, component, and cartridge seals will be used in the class. Various seals are disassembled and reworked to return them to service.
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Each student will receive class books, work activity sheets, self-test progress evaluations, as well as questions from the instructor to make sure they understand the material presented. It is expected that an attendee will leave the class with the basic knowledge of the subject and possess new-found skills to better equip them when they return to their job. A certificate suitable for framing will be issued to each attendee who successfully completes the course.
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Hands-on activities:
20% hands-on activities
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Free Materials included:
Parker O-Ring Guide ($20 value)
Mechanical Seal Guide ($30)
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3-day course: $1395 per person
Course Syllabus
PACKING & SEALING MATERIALS
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Basic Elastomers & Rubbers
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Fibers
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Other Materials of Construction
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Metals & Alloys
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Fillers
PRODUCT SELECTION
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Size
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Temperature
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Application
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Media
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Pressure
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Speed
FORCES ACTING ON A SEAL DEVICE
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Forces acting on a gasket
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Forces acting on a packing of hydraulic assembly.
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Forces acting on an expansion joint
GASKET SIMULATOR
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https://www.garlock.com/en/ STATIC/Gasket-2/Index.html
EXPANSION JOINT SIMULATOR
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https://www.garlock.com/en/ STATIC/Expansion Joint/Index.html
GASKETING
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The Gasketed Joint
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What Does a Gasket Do?
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Where are Gaskets Used?
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Heat Exchangers
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Valves
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Pumps
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Mixers, Blenders, Reactors, and Agitators
MAJOR GASKETING STYLES
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PTFE Gasketing
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Graphite Filled
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Elastomers and Rubber
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Metal Gaskets
O-RINGS
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How An O-Ring Works
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Static Seals
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Reciprocating Seals
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Oscillating Seals
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Rotary Seals
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Seat Seals
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Pneumatic Seals
LIP SEALS
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Purpose of a Lip Seal
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Selecting a Lip Seal
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Lip Seal Construction
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Lip Seal Installation
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Lip Seal Inspection
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Maintaining Lip Seals
MECHANICAL SEALS
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Fundamental Seal Operation
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Seal Requirements
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Simple Mechanical Seals
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Seal Face Lubrication
BASIC SEAL DESIGNS
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Pusher Seals
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Non-pusher Seals
VARIATIONS OF BASIC SEAL DESIGNS
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Unbalanced Seals
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Balanced Seals
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Mixer Seals
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High Pressure Seals
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High Speed Seals
MECHANICAL SEAL ARRANGEMENTS
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Inside Seals
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Outside Seals
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Double Seals
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Tandem Seals
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Cartridge Seals
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Barrier Fluid Seals
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Split Seals
TROUBLESHOOTING SEAL PROBLEMS
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Temperature problems
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Chemical problems
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Installation Problems
Course Pictures
O-Ring Placement for Seal:
Two students installing a mechanical seal:
Careful Torquing of the Stuffing Box Bolts:
