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Products > Similar or equal Brand > Burgmann Seals > Burgmann Compressor seals and Separation seals CobaSeal
Product name : Burgmann Compressor seals and Separation seals CobaSeal
Item : 20151291882
keyword : Burgmann Mechanical seal
Feature : Burgmann Compressor seals and Separation seals JR CobaSeal
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  Details:
 Features

Gas-lubricated

Bi-directional

Ready-to-fit cartridge unit

Self cleaning 3D gas grooves

Aerostatic and aerodynamic lift-off

Advantages

Extremely low leakage

Double arranged (co-axial) dry gas seal with just one pair of seal faces

Insensitive to oil contamination due to its special design

Wear-free, non-contacting operation in all conditions

Insensitive to radial vibrations due to axial sealing gap

Slow-roll or turning operation capable (static lift-off)

No limits regarding dew point of separation gas (silicon carbide instead of carbon)

Lower N2 consumption than any other system

N2 can be switched off during standstill - the gap will close and still provide the best oil sealing performance

Best in class oil sealing by extremely small sealing gap and sling effect of rotating ring

Recommended applications

Oil and gas industry

Refining technology

Petrochemical industry

Nitrogen

Air

Centrifugal compressors

Blowers

Operating range

Shaft diameter: 
29.5 ... 210 mm (1.16" ... 8.27")
Design pressure (vent): 
p = 0 … 15 bar (0 ... 218 PSI)
Operating pressure: 
p = 2.7 bar (39.16 PSI)
Temperature: 
t = -20 °C … +150 °C (-4 °F … +302 °F)
Sliding velocity: 
vg = 0 ... 150 m/s (0 ... 492 ft/s)
Dew point: No limitation

Standards and approvals

Materials

Seal face: Silicon carbide*
Seat: Ductile stainless steel*
Secondary seals: FKM
Metal parts: 1.4006

* With special EagleBurgmann high performance iDLC (in situ Diamond-Like-Carbon) coating


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