MG1 Mechanical Seal

mg1 webFeatures

  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Unbalanced
  • 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
  • Universal application opportunities
  • Important material certifications available
  • High flexibility due to wide offer on materials
  • Suitable for low-end sterile applications
  • Special design for hot water pumps (RMG12) available
  • Dimension adaptions and 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")

Materials

  • Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1, eSiC-Q7)
  • Seat: Silicon carbide (Q1, eSic-Q7), 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 material combinations).
Please inquire!

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

Recommended applications

  • Fresh water supply
  • Building services engineering
  • Waste water technology
  • Food technology
  • Sugar production
  • Pulp and paper industry
  • Oil industry
  • Petrochemical industry
  • Chemical industry
  • Water, waste water, slurries
  • (solids up to 5 % by weight)
  • Pulp (up to 4 % otro)
    • Latex
    • Dairies, beverages
    • Sulfide slurries
    • Chemicals
    • Oils
    • Chemical standard pumps
    • Helical screw pumps
    • Stock pumps
    • Circulating pumps
    • Submersible pumps
    • Water and waste water pumps
    • Oil applications

Notes

  • The MG1 can also be used as a multiple seal in tandem or in a back-to-back arrangement.