EagleBurgmann International
Ireland
UK
Ireland
UK
Ireland
UK
Ireland
UK
Ireland
UK
Ireland
UK
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| 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 |
MFL85N
Merkmale
- For unstepped shafts
- Single seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Vorteile
- 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).
Einsatzbereich
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)
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)
Werkstoffe
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)
Seat: Silicon carbide (Q1)
Bellows: Inconel® 718 hardened (M6), Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
Standards und Freigaben
- EN 12756
Empfohlene Anwendungen
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Hot media
- Cold media
- Highly viscous media
- Pumps
- Special rotating equipment
Produktvarianten
MFL90N
Shaft diameter:
d1 = 20 … 100 mm (0.79" … 4“)
Internally pressurized:
p1 = … 16 bar (232 PSI),
stationary seat lock necessary.
Externally pressurized:
p1 = 10 bar (145 PSI)
Temperature:
t = -40 °C … +220 °C (-40 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Shaft diameter:
d1 = 20 … 100 mm (0.79" … 4“)
Internally pressurized:
p1 = … 16 bar (232 PSI),
stationary seat lock necessary.
Externally pressurized:
p1 = 10 bar (145 PSI)
Temperature:
t = -40 °C … +220 °C (-40 °F … +428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
MFL85P / MFL90P
Version with pumping ring. Dependent on direction of rotation. Can be retrofitted.
Version with pumping ring. Dependent on direction of rotation. Can be retrofitted.
MFL85F
Dimensions, items and description as for MFL85N, but with pumping screw (item no. 1.4). Dependent on direction of rotation. The pumping screw can be retrofitted.
Dimensions, items and description as for MFL85N, but with pumping screw (item no. 1.4). Dependent on direction of rotation. The pumping screw can be retrofitted.
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