Features mechanical seal mfl85n
- For unstepped shafts
- Single seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Advantages mechanical seal mfl85n
- For extreme 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 mfl85n
- Shaft diameter:
d1 = 16 … 100 mm (0.63″ … 4“) - 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 (72 PSI) - Temperature: t = -40 °C … +220 °C
(-40 °F … 428) °F,
Stationary seat lock necessary. - Sliding velocity: vg = 20 m/s (66 ft/s)
Materials mechanical seal mfl85n
- 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), Hastelloy® C-4 (M)
| Item | Part no. DIN 24250 | Description |
| 1.1 | 472/481 | Seal face with bellows unit |
| 1.2 | 412.1 | O-Ring |
| 1.3 | 904 | Set screw |
| 2 | 475 | Seat (G9) |
| 3 | 412.2 | O-Ring |
Recommended applications mechanical seal mfl85n
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Hot media
- Cold media
- Highly viscous media
- Pumps
- Special rotating equipment
