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Features
Oil-lubricated
Double seal
Balanced
Bi-directional
Stationary bellows (process side)
Multiple springs (bearing side)
Shrink-fit seat
Double-pressure balanced
Advantages
Suitable for high sliding velocities
Seal does not open if oil pressure drops
Rugged seat with bandage ensures reliable operation
Compact design with few sealing components
Operating range
Shaft diameter: d = … 220 mm (8.66")
Pressure: (p2-p1) = … 5 bar (73 PSI)
Sliding velocity: vg = 90 m/s (295 ft/s)
Materials
Bellows: AM350, Inconel® 718, Hastelloy®-C
Seal face: Special SiC, high-density carbon graphite
Seat: Silicon carbide
Secondary seals: FKM (bearing side)
Metal parts: 1.4301, Carpenter® 42, Inconel® 718, Hastelloy®-C
Recommended applications
Oil and gas industry
Refining technology
Petrochemical industry
Service
provide specialised design
provide processing service according to constomer's need
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