Performance Characteristics
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Excellent Sealing Performance: The double eccentric design creates a cam effect during operation, compressing the soft seal and reducing friction between the disc and the seat, ensuring tight closure and no leakage.
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Low Operating Torque: The optimized disc and shaft design significantly reduce the operating torque, making it easier to open and close the valve.
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Bidirectional Sealing: The valve generally has a bidirectional sealing function, allowing sealing in both directions and enhancing system safety.
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High Temperature and Pressure Resistance: The valve is suitable for high-temperature and high-pressure applications, with a temperature range from -40°C to +300°C.
Advantages
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Cost-Effective: Compared to traditional gate valves, double eccentric butterfly valves offer a more cost-effective and space-efficient solution, especially in large sizes.
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Long Service Life: The reduced friction and wear extend the valve's lifespan, reducing maintenance and replacement costs.
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Versatile Application: It can be used in various industries and applications, including water supply, wastewater treatment, chemical processing, power generation, oil and gas, and HVAC systems.
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Easy Maintenance: The valve's design allows for easy replacement of seals and other components, simplifying maintenance procedures.
Application Scenarios
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Water Supply and Distribution: Used in water pipelines, sewage treatment plants, and stormwater management systems.
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Wastewater Treatment: Provides durability, tight sealing, and ease of maintenance in wastewater treatment facilities.
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Chemical Processing and Power Generation: Suitable for controlling the flow of steam, water, and hazardous chemicals in chemical processing plants, refineries, and power plants.
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Oil and Gas: Used in oil and gas pipelines and processing plants to control the flow of liquids and gases under high pressure and temperature conditions.
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HVAC Systems: Regulates the flow of air or fluid in heating, ventilation, and air conditioning systems.
Technical Parameters
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Nominal Diameter: DN50-DN600.
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Maximum Pressure: Up to 50 bar (Class 300).
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Temperature Range: -40°C to +300°C (depending on pressure, medium, and material).
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Materials: Carbon steel, stainless steel, alloy steel.
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Connection Type: Wafer.
Maintenance
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Regular Inspection: Check the valve for any signs of wear or damage, and ensure that all components are in good working condition.
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Lubrication: Apply lubricant to the valve's moving parts to reduce friction and wear.
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Seal Replacement: Replace the seals when necessary to maintain the valve's sealing performance.
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Cleaning: Clean the valve regularly to remove any debris or contaminants that may affect its operation.
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