Features

• Oil-lubricated

• Bi-directional

• Externally pressurized

• Ready-to-fit cartridge unit

• Single, face bushing and double seal available

• Suitable for high speed

• Hydrodynamic grooves for increased operating capabilities and stabilized low leakage

Advantages

• Low oil consumption

• Rugged seat with bandage ensures reliable operation

• Wear-free operation by use of lift-off-design

• Does not open if oil pressure drops

Operating range

Shaft diameter:
30 … 300 mm (1.18 " … 11.81")
Pressure: p = … 50 bar (725 PSI)
Gas temperature:
t = -20 °C … +200 °C (-4 °F … +392 °F)
Sliding velocity: vg = … 90 m/s (295 ft/s)
Oil viscosity: ISO VG up to 68

Materials

Seal face: Silicon carbide / Carbon
Seat: Silicon carbide
Secondary seals: FKM
Metal parts: 1.4006 or other stainless steels

Recommended applications

• Oil and gas industry

• Refining technology

• Petrochemical industry

• Refrigerants

• Screw compressors

• Centrifugal compressors

• Geared compressors

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

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