MG9 Burgmann mechanical seals

MG9

Features

  • For plain shafts
  • Single and also dual seal
  • Also Elastomer bellows rotating
  • Balanced
  • Also Independent of direction of rotation
  • No torsion on bellows

Advantages

  • Shaft protection over entire seal length
  • Protection of seal face during installation due to special bellows design
  • Insensitive to shaft deflections due to large axial movement ability
  • Also Universal application opportunities
  • Important material certifications available
  • High flexibility due to wide offer on materials
  • Suitable for low-end sterile applications
  • Also Special design for hot water pumps (RMG12) available
  • Dimension adaptions and also additional seats available

Operating range

Shaft diameter:
d1 = 10 … 100 mm (0.39″ … 3.94″)
Pressure: p1 = 16 bar (230 PSI),
vacuum … 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)
Admissible axial movement: ±2.0 mm (±0,08″)

MG9 Materials

Seal face: Carbon graphite antimony impregnated (A),also Carbon graphite resin impregnated (B), Silicon carbide (Q1, eSiC-Q7)
Seat: Silicon carbide (Q1, eSic-Q7),also Tungsten carbide (U3)
Elastomer: NBR (P), EPDM (E), FKM (V),
HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® (M)Further materials upon request.

Standards and approvals

  • EN 12756 (MG12, MG13)

Various material approvals available (depending on type and also material combinations).
Please inquire!

  • FDA
  • WRAS
  • KTW
  • ACS
  • W270
  • NSF

 

Download catalog for more information:MG1