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 (G16)
3 412.2 O-Ring

MF95N

Features

  • For unstepped shafts
  • Rotating bellows
  • Single Seal
  • Balanced
  • Independent of direction of rotation
  • Roller bellows

Advantages

  • For extreme temperature ranges
  • No dynamically loaded O-Ring
  • Very good self cleaning effect
  • Suitable for low-end sterile applications

Operating range

Shaft diameter:
d1 = 14 ... 100 mm (0.55“ ... 3.94“)
Temperature:
t = -40 °C ...+220 °C (-40 °F ... +428 °F)
Pressure: p = 16 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ± 0.5 mm

Materials

Bellows: Hastelloy® C-276 (M5)
Seal face: Silicon carbide (Q12), Carbon graphite resin impregnated (B), Carbon graphite antimony impregnated (A)
Seat: Silicon carbide (Q1)
Metal parts: CrNiMo steel (G1)

Standards and approvals

  • EN 12756



Product variants

MF90N
Shaft diameter:
d1 = 14 ... 100 mm (0.55" ... 3.94")
Temperature:
t = -40 °C ...+220 °C (-40 °F ... +428 °F)
Internally pressurized: p = 10 bar (145 PSI),
stationary seat lock necessary.
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement: ±0.5 mm