Features

• Gas-lubricated

• Uni-directional or bi-directional

• Elastomer-free

• Ready-to-fit cartridge unit

• Single, double, tandem seal and tandem with intermediate labyrinth available

• Separation seals as labyrinths, radial clearance seals or CobaSeal are optionally available

Advantages

• Wear-free and contact-free operation

• Self-cleaning 3D gas grooves

• High gas film stiffness

• Secure cupped retainer for seat

• Available in various materials for optimized chemical resistance

• Proven, reliable and economical solution

Operating range

Shaft diameter:
Ds1= 29 ... 355 mm (1.14" ... 13.98")
Pressure:
p = 0 … 450 bar (0 … 6,525 PSI)
Temperature:
t = -170 °C … +230 °C
(-274 °F … +446 °F)
Sliding velocity:
vg = 0.6 … 200 m/s (2 … 656 ft/s)

Materials

Seal face: Silicon carbide with DLC coating
Seat: Silicon carbide with DLC coating
Secondary seals: Polymer rings
Metal parts: 1.4006 or other stainless steels.
Other materials on request.
Available also with EagleBurgmann DiamondFace technology.

Recommended applications

• Oil and gas industry

• Refining technology

• Petrochemical industry

• Hydrocarbon gas

• Ammonia

• Nitrogen

• Refrigerants

• Air

• Centrifugal compressors

• Turbo expanders

• Blowers

Service
provide specialised design
provide processing service according to constomer's need

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