19-06 SEAL APPLICATION OUTLINE

SEAL MATERIALS

 UNFILLED CARBON/ GRAPHITE 

HARD FACES

FACE COMBINATIONS

ELASTOMERS- Use the four step procedure to select the correct one for your application:

METAL COMPONENTS EXPOSED TO THE SEALING FLUID

ENVIRONMENTAL CONTROLS

CONTROL TEMPERATURE IN THE SEAL AREA

CONTROL THE PRESSURE IN THE STUFFING BOX

REPLACE THE FLUID IN STUFFING BOX

SEAL APPLICATIONS

 

FLUIDS SENSITIVE TO TEMPERATURE AND PRESSURE CHANGES’
They can:

FLUIDS SENSITIVE TO AGGITATION

SLURRIES
In slurry applications do any of the following:

NON-LUBRICANTS

USE DUAL SEALS WITH:

Type of fluid:

FLUIDS THAT COMBINE TOGETHER TO FORM A SOLID

CLEAN LUBRICATING LIQUIDS

EXTREME OPERATING CONDITIONS

TOO HOT FOR THE SEALING FLUID OR A SEAL COMPONENT

CRYOGENIC FLUIDS

HIGH PRESSURE IN THE STUFFING BOX. >400psi or 27.5 bar

HARD VACUUM (less than 0.001 Torr)

HIGH SPEED

EXCESSIVE MOTION

EXCESSIVE VIBRATION