High-Temperature Ball Valves

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High-Temperature Ball Valves: Introduction, Structural Features & Detailed ParametersHigh-temperature ball valves adopt ball and valve seat hardening technology, and the ball and valve seat fully ...

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High-Temperature Ball Valves: Introduction, Structural Features & Detailed Parameters

High-temperature ball valves adopt ball and valve seat hardening technology, and the ball and valve seat fully adopt a metal-to-metal sealing method. To ensure reliable sealing of the valve under various temperatures and pressures, a variety of ball and valve seat hardening technologies can be used according to different operating conditions and requirements of users, including supersonic spraying, nickel-based spray welding, special surface hardening, cemented carbide spray welding, and the use of high-strength and high-hardness ceramic materials, etc. The surface hardness of the ball and valve seat can generally reach above HRC60, and even above HRC74. The temperature resistance of the sealing surface material can reach 540℃, and higher up to 980℃. The bonding strength of the material can reach above 10000PSI, and the sealing surface material also has excellent wear resistance, impact resistance and other properties. Metal hard-sealed ball valves can be applied to most harsh operating conditions.

Structural Features of High-Temperature Ball Valves

Reinforced cemented carbide sealing ring to improve the service life of the sealing ring;
Unique internal structure, making maintenance simpler;
Under-mounted valve stem to prevent valve stem detachment, and the sealing at the valve stem is more reliable;
High temperature resistance, wear resistance, oil resistance and corrosion resistance;
Compact external structure, making the valve appearance more perfect;