MR-D seal
MR-D seal

Features mechanical seal mr-d

  • For top, side and bottom entry drives
  • Seat at product side rotating
  • Unbalanced
  • Liquid-lubricated
  • Double seal
  • Independent of direction of rotation
  • Cartridge unit
  • With or without bearing available

Advantages mechanical seal ad510 / ad520

  • Smooth surface, free of dead spaces
  • CIP-/SIP (Cleaning in Place, Sterilization in Place) capable
  • Sliding materials FDA conform
  • Variant for sterile applications available
  • ATEX certification on request
dimension-seal-mr-d-burgmann

Operating range mechanical seal mr-d

  • Shaft diameter:
    d1 = 35 … 140 (500) mm
    (1.38” … 5.51” (19.68”))
  • Axial offset shaft/housing:
    d1 = 35 … 60 mm
    (1.38” … 2.36”): max. ±1.5 mm (0.059”)
    d1 >60 mm (2.36”): max. ±2.0 mm (0.079”)
  • Radial offset shaft/housing:
    max. ±0.3 mm (0.012”)
  • Pressure:
    p1 = vacuum … 14 (23) bar (203 (334) PSI)
    p3 = max. 16 (25) bar (232 (363) PSI)
    Δ p3-p1 = 2 …10 bar (29 …145 PSI),
    higher Δp on request
  • Temperature: t1 = -20 °C … +200 (300) °C
    (-4 °F … +392 (572) °F)
  • Sliding velocity:
    vg = max. 10 (20) m/s (33 (66) ft/s)

Materials mechanical seal mr-d

  • Seal faces: Silicon carbide, FDA conform
  • Seat: Carbon graphite (atmosphere side) resp. Silicon carbide (product side), FDA conform
  • Secondary seals and metallic parts acc. to application and customers’ requirement.
ItemDescription
1Seal face, product side
2Seat, product side
3, 6O-Ring, dynamic
4Seal face, atmosphere side
5Seat, atmosphere side

Recommended applications seal mr-d Burgmann

  • Petrochemical industry
  • Chemical industry
  • Pharmaceutical industry
  • Food and beverage industry
  • Mixers
  • Dryers
  • Mills
  • Kneaders
  • Reactors
  • Pressure filters