Description
Overview of KNKE High-Temperature Ball Valve
The KNKE High-Temperature Ball Valve is engineered to meet the most demanding industrial applications, particularly in environments with extreme temperatures and high pressures. The valve features advanced hardening techniques, including ultrasonic spraying, nickel-based spray welding, and ceramic materials, ensuring a hardened surface with a hardness of HRC60 or higher, reaching up to HRC74 in some cases. These valves can handle temperatures up to 550°C, and in special configurations, they can endure up to 980°C.
This ball valve is commonly used in industries like petroleum, chemical, metallurgy, and pharmaceuticals, where high temperatures, abrasion, and chemical resistance are essential. It ensures a reliable, long-term solution for fluid control in these high-demand environments.
Key Features of KNKE High-Temperature Ball Valve
- Low Fluid Resistance: Among all valve types, ball valves offer the least fluid resistance. Even in reduced size configurations, they maintain a low-pressure drop.
- Quick Operation: The valve offers easy and fast operation, with a 90° turn completing the full open or close action, ensuring quick shutoff or flow regulation.
- Reliable Sealing: The valve uses advanced sealing materials, ensuring low friction, reliable sealing, and long service life.
- High-Temperature Resistance: With a temperature resistance range up to 980°C, the valve performs well under extreme conditions, making it suitable for demanding industrial applications.
- Durability: The valve’s construction features a metal-to-metal seal structure, providing enhanced wear resistance, impact resistance, and durability in high-temperature applications.
- Versatile Design: The valve can handle a wide range of media, including water, oil, steam, natural gas, and solid particles, offering broad applicability across various industries.
Technical Parameters
- Nominal Diameter: DN15 to DN800
- Nominal Pressure: 1.6 MPa to 32.0 MPa
- Temperature Range: Up to 550°C (special configurations up to 980°C)
- Connection Type: Internal Thread, External Thread, Flange, Wafer, Welding, Union
- Body Material: Cast Steel, Carbon Steel, Forged Steel, Stainless Steel
- Applicable Media: Water, Oil, Steam, Natural Gas, Particles, Powder, Fibers
- Drive Method: Manual
- Standards: GB (China), DIN (Germany), API (USA), ANSI
Applications of KNKE High-Temperature Ball Valve
This valve is widely used in industries requiring fluid control at high temperatures, including:
- Petroleum
- Metallurgy
- Chemicals
- Rubber Manufacturing
- Papermaking
- Pharmaceuticals
It is ideal for regulating and controlling media such as water, steam, heat transfer oil, gases, and more, in critical processes.
Materials of Major Parts
Part | Material |
Body | Cast Steel, Carbon Steel, Forged Steel, Stainless Steel |
Ball | Stainless Steel, Nickel Alloy, Ceramic |
Seat | Stainless Steel, Metal Composite, Graphite Composite |
Stem | Stainless Steel |
Seal | High-Temperature Resistant Composite |
Performance Characteristics
- Superior Sealing: The ball valve’s unique metal-to-metal seal ensures a tight seal even under extreme temperatures and pressure conditions.
- High Durability: The valve’s materials, including tungsten carbide and ceramic coatings, provide excellent wear and impact resistance, ensuring long service life even under harsh conditions.
- Wide Media Compatibility: The valve handles a wide range of media, including corrosive substances, steam, and oil, making it suitable for various applications across industries.
- Efficient Flow Control: With low resistance to fluid flow and precise control over the flow rate, the valve ensures efficient system operation while reducing energy consumption.
- Easy Operation and Maintenance: The 90° turn provides easy operation, and the robust design minimizes the need for frequent maintenance, reducing operational costs.