TP50-240/2 Shaft Seals Manual

53
Pumped liquids
Shaft seals
Fuels
Legend
++ = Best solution
+ = Suitable
± = Suitable under certain conditions
– = Not suitable
Liquid
Shaft seal (EN 12756)
Rotating face:
Stationary seat:
Secondary seal:
Spring:
Other parts:
Q
Q
E
G
G
Q
Q
V
G
G
B
Q
E
G
G
B
Q
V
G
G
B
V
E
G
G
B
V
V
G
G
U
U
E
G
G
U
U
V
G
G
B
U
E
G
G
B
U
V
G
G
Aviation fuel
Max. temp. [°C] 60 60 60
Max. conc. [%]
Suitability – + –++–+ – – –++
Comments
Explosion hazard; insoluble in water; highly flammable; double shaft seal may be required;
freezing point –20°C; flash point: –40°C.
Seal face needs to be SiC
G
.
Diesel oil
Max. temp. [°C] 60 60 60
Max. conc. [%]
Suitability – + –++–+ – – –++
Comments
Insoluble in water; combustible; double shaft seal may be required; flash point: +55°C.
Seal face needs to be SiC
G
.
Jet fuel
Max. temp. [°C] 60 60 60
Max. conc. [%]
Suitability – + –++–+ – – –++
Comments
Explosion hazard; insoluble in water; highly flammable; double shaft seal may be required;
flash point: +38°C.
Seal face needs to be SiC
G
.
Petrol
Max. temp. [°C] 60 60 60
Max. conc. [%]
Suitability – + –++–+ – – –++
Comments
Explosion hazard; insoluble in water; highly flammable; double shaft seal may be required;
freezing point –20°C; flash point: –40°C.
Seal face needs to be SiC
G
.