Mechanical Seal M7N

Type in the Iseal : IS7N

  • Shaft diameter: d1 = 14 … 100 mm (0.55 ” … 3.94 “)
  • Pressure: p1 = 25 bar (363 PSI)
  • Temperature: t = -50 °C … +220 °C (-58 °F … +428 °F)
  • Sliding velocity: vg = 20 m/s (66 ft/s)
  • Axial movement:
    • d1 = up to 25 mm: ±1.0 mm
    • d1 = 28 up to 63 mm: ±1.5 mm
    • d1 = from 65 mm: ±2.0 mm
Brand
Category:
Description
ItemPart no. to
DIN 24250
Description
1.1472Seal face
1.2485Drive collar
1.3474Thrust ring
1.4412.1O-Ring
1.5477Spring
1.6904Set screw
2475Seat (G9)
3412.2O-Ring
Advantages
  • Universal application opportunities
  • Efficient stock keeping due to easily interchangeable faces
  • Extended selection of materials
  • Insensitive to low solids contents
  • Flexibility in torque transmissions
  • Self cleaning effect
  • Short installation length possible (G16)
  • Pumping screw for media with higher viscosity (M7..F)
Features
  • For plain shafts
  • Single seal
  • Unbalanced
  • Super-Sinus-spring
  • Independent of direction of rotation
Materials
  • Seal face: Silicon carbide (Q1)
  • Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
    Seat G4, G6 (Q1), Seat G13 (A, B)
  • Secondary seals: EPDM (E), FKM (V), FFKM (K)
  • Springs: CrNiMo steel (G)
  • Metal parts: CrNiMo steel (G), Duplex (G1)
Recommended applications
  • Process industry
  • Chemical industry
  • Pulp and paper industry
  • Water and waste water technology
  • Shipbuilding
  • Lube oils
  • Low solids content media
  • Water / sewage water pumps
  • Chemical standard pumps
  • Vertical screw pumps
  • Gear wheel feed pumps
  • Multistage pumps (drive side)
  • Circulation of printing colors with viscosity 500 ... 15,000 mm2/s.

 

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