Chart of mechanical seal application limits by type

General application guide per seal type

Seal Type	Applications
Non-pusher elastomeric bellows seal	A - B - D - E - L
Non-pusher metal bellows seal	A - D - E - F - I - J - L
Pusher o-ring secondary seal	A - B - G - H - K
Pusher polymer seal	A - B - G - K
Pusher stationary slurry seal	A - B - C - D - E - F - M
Pusher split seal	A - B - K
Pusher dual gas seal	A - B - E - F - G - H - L

Fluid - Characteristics
A - Clean Lubricating
B - Clean Non-lubricating
C - Viscous
D - Clogging / Scaling / Polymerizing / Fibrous
E - Crystallizing
F - Molten Liquid
G - Corrosive - Acids
H - High Vapor Pressure
I - Cryogenic
J - High Temperature (> 260 ºC / 500 ºF)
K - Solids (< 0.1% by volume and less than 10 micrometers (394 micro inches) in size.
L - Solids (< 2% by volume and less than 10 micrometers (394 micro inches) in size
M - Solids (> 2% by volume).

Next: Typical dynamic pressure and temperature limits of common seal type

Mechanical Seal Application Limits

General application guide per seal type