MR-D

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MR-D

MR-D
Request product
Item Description
1 Seal face, product side
2 Seat, product side
3, 6 O-Ring, dynamic
4 Seal face, atmosphere side
5 Seat, atmosphere side

MR-D

Features

  • 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

  • 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

Operating range

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)

For applications beyond this range and for values in brackets, please inquire.

! It should be noted that the extremal values of each operating parameter cannot be applied at the same time because of their interaction.

Materials

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.

Standards and approvals

  • FDA

Notes

Options:
  • Cooling resp. heating flange
  • Temperature sensor
  • Axial expansion joint (shaft movement)
  • Wiper ring (shaft movement)
  • Shaft sleeve not in contact with product (with standard diameters)
  • Metal-free on product side
Please inquire.

Recommended piping plans

Closed circuit: EagleBurgmann TS system, EagleBurgmann DRU pressure booster,
Open circuit: EagleBurgmann SPA / SPN

Product links:
EagleBurgmann TS1000
EagleBurgmann TS2000
EagleBurgmann TS3016 (sterile version)
EagleBurgmann DRU
EagleBurgmann SPA
EagleBurgmann SPN manual
EagleBurgmann SPN automatic

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The Eagleburgmann Group

Sealing technology for plants and machines

EagleBurgmann is one of the worldwide leading providers of industrial sealing technology. Mechanical seals, seal supply systems, magnetic couplings, carbon floating ring seals, expansion joints, gaskets and packings as well as comprehensive services are used wherever reliability and safety are needed.

Mechanical seals and more

Sealing technology by EagleBurgmann is used worldwide in oil and gas industries, refineries, the petrochemical, chemical, and pharmaceutical industries, food processing, energy, water, mining, paper, aerospace, and other industries. Close to 5,800 employees provide their ideas, solutions, and commitment so that customers can rely on our sealing technology.

What makes us stand out is our excellent quality, great innovative capacity, and an extensive product portfolio for nearly all industrial processes and fields of application. Our product portfolio includes everything from mechanical seals and seal supply systems to magnetic couplings, carbon floating ring seals, expansion joints, and gaskets and packings as well as comprehensive services. Since we are part of the German Freudenberg and Japanese EKK group, we have all the necessary resources for a firmly based reliable partnership.

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