MG9

MG9 For a larger view, please mouseover the image.
For a larger view, please mouseover the image.
Item Part no. to
DIN 24250
Description
1.1 472 Seal face
1.2 481 Bellows
1.3 485 Driver collar
1.4 484.1 “L” ring (spring collar)
1.5 474 Washer
2 477 Spring
3 475 Seat
4 412 Rubber cup
  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Unbalanced
  • Independent of direction of rotation
  • No torsion on bellows and spring
  • Conical or cylindrical spring
  • Metric and inch sizes available
  • Special seat dimensions available
  • US Patent No. 6.220.601
  • Fits into any installation space due to smallest outer seal diameter
  • Important material approvals available
  • Individual installation length can be achieved
  • High flexibility due to extended selection of materials
  • Universal application (standardization)
Shaft diameter:
d1 = 10 … 100 mm (0.375" … 4")
Pressure: p1 = 12 bar (174 PSI),
vacuum up to 0.5 bar (7.25 PSI),
up to 1 bar (14.5 PSI) with seat locking
Temperature:
t = -20 °C … +140 °C (-4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±0.5 mm
Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1, Q2), Aluminium oxide (V)
Elastomer: NBR (P), EPDM (E), FKM (V), HNBR (X4)
Metal parts: CrNiMo steel (G)
  • EN 12756

Various material approvals available (depending on type and material combinations).
Please inquire!
  • FDA
  • WRAS
  • KTW
  • ACS
  • W270
  • NSF
  • Water and waste water technology
  • Pulp and paper industry
  • Chemical industry
  • Cooling fluids
  • Media with low solids content
  • Pressure oils for bio diesel fuels
  • Circulating pumps
  • Submersible pumps
  • Multi-stage pumps (non-drive side)
  • Water and waste water pumps
  • Oil applications
A modular principle comprising a bellows unit for each shaft diameter and a correspondingly long spring (tapered or cylindrical spring) for individual length compensation regarding l1K, l1N and other installation lengths.

The MG9 can also be used as a multiple seal in tandem or in a back-to-back arrangement. Installation proposals can be supplied on request.

The entire MG9 series is available in metric and inch sizes.