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美国福斯Flowserve-干气密封二次辅助密封
Features and Benefits
•Dual seal pressurized with an inert gas barrier operates with zero process emissions to satisfy environmental monitoring requirements
•Silicon carbide seal faces use APGS Precision Face Topography to separate the faces with a stiff, thin gas film that prevents wear and extends seal life
•The LoDragTM O-ring technology provides consistent dynamic O-ring squeeze to reduce drag and maintain proper seal face tracking
•Seal faces are optimized by geometry, materials, spring loads, and drive mechanisms to remain flat under all operating conditions and deliver long-term, reliable performance
•Non-contacting seal faces require very low power consumption during start-up and running operation
•Silicon carbide seal faces use APGS Precision Face Topography to separate the faces with a stiff, thin gas film that prevents wear and extends seal life
•The LoDragTM O-ring technology provides consistent dynamic O-ring squeeze to reduce drag and maintain proper seal face tracking
•Seal faces are optimized by geometry, materials, spring loads, and drive mechanisms to remain flat under all operating conditions and deliver long-term, reliable performance
•Non-contacting seal faces require very low power consumption during start-up and running operation
Pressure： Up to 35.4 bar (500 psi),
Temperature:-40 to 260°C (-40°F 500°F),
Speed:up to 25 m/s (83.3 fps),
Size:25.4 to 152 mm (1.000 to 6.000 inch)
