2-Basic - Feb 12 ONGC - Cleaned PDF
2-Basic - Feb 12 ONGC - Cleaned PDF
2-Basic - Feb 12 ONGC - Cleaned PDF
Leakage
Basic of Seal
Arrangements
Classification of Leakage :
Yes!!!
Somebody said ….
Mechanical seals!!
Faces
Shaft Motor
Coupling
Let us Study
a Simple
•Static sealing
Sealing between shaft and
sleeve (gasket)
Sealing between gland and
seal chamber (gasket)
Sealing between mating ring
and gland (‘o’ ring)
•Dynamic Sealing
Sealing between rotary face
& sleeve (‘o’ ring)
Corporate Training : EagleBurgmann India Prepared by : Surajjit Rayy © EagleBurgmann 2010 Dt : 07 / 06
Functioning of the mechanical seal
Closing forces
Static closing force
Media
Spring
lubrication
Media
cooling
Medium
Leakage
Media
Frictional heat
Double Tandem
For emission control
(BTX, LPG etc)
More
Axial flexibility excellent
Corporate Training : EagleBurgmann India Prepared by : Surajjit Rayy © EagleBurgmann 2010 Dt : 07 / 06
Classification by Assembly design
Fretting
Multiple seals
Back to back
face to face
tandem