Advantages
For high temperature
High sliding velocities
No elastomer secondary seals
Operating range
Shaft diameter: d1 = 16 ... 100 mm (0.63" ... 4"), (>100 mm on request)
Externally pressurized: p1 = 25 bar (363 PSI), (higher pressure possible, please inquire)
Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI),
p1 <220 °C (428 °F) 5 bar (72 PSI),
p1 <400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary.
Temperature:
t = -20 °C ... 400 °C (-4 °F ... +752 °F)
Sliding velocity: vg = 50 m/s (165 ft/s)
Materials
Bellows:
Inconel® 718 (M6), Hastelloy® C-276 (M5)
Seal face:
Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
Seat:
Silicon carbide (Q1), Special cast CrMo steel (S)
Metal parts:
Duplex (G1), Carpenter® 42 (T4), Hastelloy® C-4 (M)
Recommended applications
Process industry
Oil and gas industry
Refining technology
Petrochemical industry
Chemical industry
Hot media
High sliding velocities
Pumps
Special rotating equipment
