MFLWT8

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MFLWT8

MFLWT8
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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

MFLWT8

Features

  • For unstepped shafts
  • Single Seal
  • Balanced
  • Independent of direction of rotation
  • Metal bellows rotating

Advantages

  • 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

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

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)


Product variants

MFLWT9
Shaft diameter:
d1 = 16 … 150 mm (0.64" … 6")
Internally pressurized:
p1 = … 16 bar (232 PSI)
Externally pressurized:
p1 = 10 bar (145 PSI)
Temperature:
t = -20 °C ... +400 °C
(-4 °F ... +752 °F),
stationary seat lock necessary.
Sliding velocity: vg = 20 m/s (66 ft/s)

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The Eagleburgmann Group

Sealing technology for plants and machines

EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.

Mechanical seals and more

Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.

What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.

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