Fundamentals of Fundamentals of

Mechanical SealMechanical Seal

Simple Mechanical SealSimple Mechanical Seal

Simple Mechanical Seal ( contd)Simple Mechanical Seal ( contd)

A seal Basically Comprised of FOUR basic sets of parts:

1. A set of Primary Faces.

2. A closing Mechanism-

3. Secondary Sealing Elements

4. Seal hardware

Construction of a SealConstruction of a Seal

Parts of Mechanical sealParts of Mechanical seal

1. Primary Sealing RingsStationary

Rotary

3. Secondary Sealing Elements

2. Closing Mechanism Spring(s)

Metal Bellows Etc.,

O- rings

Wedges

V-rings

4. Seal Hardware – Gland Rings,Collars Springs Etc.,