The D41 Series Flanged Ventilation Butterfly Valve is a reliable and efficient solution for regulating and isolating airflow in industrial ventilation systems, HVAC ducts, and dust-containing gas pipelines. Designed with a robust flanged connection for easy installation between ANSI/DIN flanges, this valve features a centerline disc structure, lightweight steel plate body, and low-torque operation for quick 90-degree opening/closing.
Ideal for applications in metallurgy, chemical plants, power stations, building materials, and environmental protection projects, it handles dusty air, hot/cold gases, and corrosive media with excellent flow capacity and thermal resistance. Available in manual, pneumatic, or electric actuation options, the D41 series ensures minimal leakage, long service life, and precise flow control.
Key Features:
Flanged ends for secure pipeline integration
High flow coefficient with minimal pressure drop
Corrosion-resistant materials for harsh environments
Compact design, easy maintenance, and low operating torque
Suitable for ventilation, dust removal, and flue gas systems
Enhance your industrial ventilation setup with the dependable D41 Series Flanged Butterfly Valve – perfect for efficient air damper control and regulatory compliance.

