Features mechanical seal mflwt8
- For unstepped shafts
- Single Seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Advantages mechanical seal mflwt8
- For extreme high temperature ranges
- No dynamically loaded O-Ring
- Self cleaning effect
Short installation - length possible
- Pumping screw for highly viscous media available (dependent on direction of rotation).
Operating range mechanical seal mflwt8
- Shaft diameter:
d1 = 16 … 150 mm (0.63″ … 6“) - Externally pressurized:
p1 = … 25 bar (363 PSI) - Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI)
p1 <220 °C (428 °F) 5 bar (73 PSI)
p1 <400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary - Temperature:
t = -40 °C … +400 °C
(-148 °F … +752 °F) - Sliding velocity: vg = 20 m/s (66 ft/s)
Materials mechanical seal mflwt8
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
- Seat: Silicon carbide (Q1)
- Bellows: Inconel® 718 hardened (M6), Hastelloy® C-276 (M5)
- Metal parts: CrNiMo steel (G), Duplex (G1), Carpenter® 42 (T4), Hastelloy® C-4 (M)
Item | Part no. to DIN 24250 | Description |
1.1 | 472/481 | Seal face with bellows unit |
1.2 | 410 | Sealing ring |
1.3 | 474 | Drive collar |
1.4 | Socket head screw | |
1.5 | 904 | Set screw |
2 | 475 | Seat |
3 | 412 | Sealing ring |
Recommended applications seal mflwt8
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Pulp and paper industry
- Hot media
- Highly viscous media
- Pumps
- Special rotating equipment