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Operating Conditions
Pressure: Up to 40bar or 580psi
Speed: Up to 20m/s or 66ft/s
Temperature:-30°C to 180°C or -22°F to 356°F
depending on materials used
Material
Seal face/Primary ring:
Carbon graphite, Silicon carbide, Tungsten carbide.
Seat/Mating ring:
Alumina ceramic, Silicon carbide, Tungsten carbide.
Secondary seals:
NBR, Viton, EPDM
Spring and others:
SUS304, SUS316, etc
equivalent to john crane 502