Item Part no.
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

MFLCT

Features

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

Advantages

  • For extreme cold temperature ranges
  • No dynamically loaded O-Ring
  • Self cleaning effect
  • Short installation length possible
  • Pumping screw for highly viscous media available (dependant on direction of rotation).

Operating range

Shaft diameter:
d1 = 24 … 150 mm (0.94" … 6“)
Externally pressurized:
p1 = … 25 bar (363 PSI)
Internally pressurized:
p1 = 10 bar (145 PSI ),
stationary seat lock necessary.
Temperature:
t = -100 °C … +100 °C (-148 °F … 212) °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), Hastelloy® C-4 (M)



Product variants

MFLCT90
Shaft diameter:
d1 = 20 … 150 mm (0.64" … 6")
Intenally pressurized:
p1 = … 16 bar (232 PSI),
stationary seat lock necessary.
Externally pressurized:
p1 = 10 bar (145 PSI )
Temperature:
t = -100 °C … +100 °C
(-148 °F … +212 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)