Product Name: Hard Seal Ball Valve Seat, Graphite
Model: Customized by the factory
Structure: Composite Structure
Pressure: Class 2500 LB
Size: Customized
Application Conditions: +360°C
Material Properties
Graphite Purity: ≥99%
Metal Wire Content: 40% (Material: Inconel 600)
Sulfur Content: ≤50PPM
Chlorine Content: ≤20PPM
Features
Excellent stability and sealing performance for hard-sealing ball valve seats.
Superior sealing under high pressure, ensuring long-term effective stability of the ball valve seal.

Source: https://www.magpievalves.com/hard-seal-ball-valve-seat-graphite-inconel-600-cl2500-lb.html