Specifically engineered for district heating and heat supply systems, this butterfly valve offers reliable shutoff and flow regulation in high-temperature environments. Its compact, lightweight design allows for easy installation in tight spaces, while the triple-eccentric disc ensures tight sealing even under thermal expansion. Built with materials suitable for hot water and steam media, it withstands continuous operation at elevated temperatures and pressures. Whether used in main pipelines, heat exchanger circuits, or building connections, this valve delivers efficient, maintenance-friendly performance tailored to the demands of modern heat supply networks.
Features & Benefits
Advanced Sealing Technology
Features integral metal seals with three-eccentric, four-eccentric, and five-eccentric sealing structures to ensure leak-tight performance under extreme conditions.
Temperature and Pressure Resilience
Handles high pressures up to 2500 LB and withstands temperatures up to +450°C, making it ideal for demanding industrial environments.
Superior Resistance Properties
Built with wear-resistant, erosion-resistant, and corrosion-resistant materials to maximize valve life in harsh conditions.
Effortless Operation
Zero friction design with ultra-low torque ensures smooth opening and closing, even under extreme operating conditions.
Maintenance-Friendly Design
Engineered for easy replacement and maintenance of sealing rings and valve body seats, reducing downtime and maintenance costs.
Enhanced Safety Features
Inherently fire-safe design provides additional reliability in high-risk environments.
Performance Parameters
Design Standards: API, ANSI, EN, GOST, ISO, JIS, GB
Diameter Range: DN100–DN3000 (NPS 4–NPS 120)
Pressure Range: PN6–PN420 (CLASS 150–CLASS 2500)
Flange Standards: ASME B16.5, ASME B16.47, EN 1092, ISO 7005, JIS B2220, GOST 33259
Connection Types: Flanged, wafer, lug, butt welded
Main Materials: carbon steel, stainless steel, alloy steel
Sealing Materials: Multi-layer sealing, integral stainless steel, hard alloy, and high-temperature alloys for superior sealing integrity
Temperature Range: -29°C to +450°C
Applicable Media: Ideal for high-temperature environments such as air, steam, and other thermal-intensive applications
Operation Methods: Worm gear, electric, pneumatic, hydraulic