Product details
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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