Item Part no. to DIN 24250 Description
1.1 472 Seal face
1.2 412.1 O-Ring
1.3 474 Thrust ring
1.4 478 Righthand spring
1.4 479 Lefthand spring
2 475 Seat (G9)
3 412.2 O-Ring

M2N

Features

  • For plain shafts
  • Single seal
  • Unbalanced
  • Conical spring rotating
  • Dependent on direction of rotation

Advantages

  • Economical seal solution
  • No damage of the shaft by set screws
  • Short installation length possible (G16)

Operating range

Shaft diameter:
d1 = 6 ... 38 mm (0.25" ... 1.5")
Pressure: p1 = 10 bar (145 PSI)
Temperature:
t = -20 °C ... 140 °C
(-4 °F ... 355 °F)
Sliding velocity:
vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm

Materials

Seal face: Carbon graphite resin impregnated (B)
Seat G9: Silicon carbide (Q1, Q2),
Special cast CrMo steel (S), Aluminium oxide (V)

Standards and approvals

  • EN 12756



Product variants

M2
Rotating unit M2 with seat G4 or G16 (shorter installation length).
Seal face:
Carbon graphite resin impregnated (B)
Seat G4:
Silicon carbide (Q1), Special cast CrMo steel (S)
Seat G16:
Silicon carbide (Q1, Q2), Special cast CrMo steel (S), Aluminium oxide (V)
M2N4
Rotating unit M2 with seat G6.
Seal face:
Carbon graphite resin impregnated (B)
Seat G6:
Silicon carbide (Q1), Special cast CrMo steel (S)

Similar products

AX25

  • External configuration
  • Balanced
  • Independent of direction of rotation
  • Independent of pressure direction

AX25D

  • Dual seal
  • Balanced
  • Independent of direction of rotation
  • Independent of pressure direction

AX30

  • Unbalanced
  • Dependent on direction of rotation
  • Solid seats
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