Electric Ventilation Butterfly Valve
Electric Ventilation Butterfly Valve – YONCO PN0.5 to PN1 (DN300-DN4000) The YONCO Electric Ventilation Butterfly Valve (D341H / D341W) is a highly reliable flow control and […]
Electric Ventilation Butterfly Valve – YONCO PN0.5 to PN1 (DN300-DN4000)
The YONCO Electric Ventilation Butterfly Valve (D341H / D341W) is a highly reliable flow control and isolation device engineered specifically for heavy-duty ventilation, dust removal, and environmental protection systems. Manufactured using an advanced centerline disc and short-structure steel plate welding process, this valve is designed to regulate or cut off dusty cold or hot gas mediums. Excelling in low-pressure pipelines (0.05MPa to 0.1MPa) across the metallurgy, chemical, power generation, and building material industries, it delivers maximum flow capacity with minimal resistance while fully resisting thermal expansion jamming.
Core Features & Advantages
- Optimized Welded Structure: Constructed without internal connecting rods or bolts, drastically reducing the failure rate and ensuring reliable, maintenance-free operation over an extended service life.
- Thermal Expansion Compensation: Engineered with calculated clearance between the butterfly plate and the valve body, effectively preventing the disc from binding or jamming during severe high-temperature fluctuations up to 350°C.
- High-Temperature Metal Sealing: Features a robust metal-to-metal sealing system. While functioning as a non-hermetic valve (approx. 3% leakage rate), it provides exceptional durability and wear resistance in abrasive, dust-heavy environments.
- Superior Flow Dynamics: The streamlined, short face-to-face design ensures an ultra-low flow resistance coefficient and large circulation volume, smoothly accommodating high-velocity gas flows up to 25 m/s.
- Precision Motorized Actuation: Equipped with a highly responsive electric actuator that requires low driving torque, allowing for effortless, flexible, and automated remote control of pipeline airflows.
Standards & Technical Specifications
| Category | Applicable Standard & Details |
|---|---|
| Product Models | D341H, D341W |
| Nominal Pressure (PN) | 0.05 MPa ~ 0.1 MPa (PN0.5 – PN1) |
| Size Range | DN300 – DN4000 |
| Working Temperature | -30°C to +350°C |
| Max Fluid Velocity | 25 m/s |
| Allowable Leakage Rate | ≤ 3% (Non-hermetic design) |
| Actuation Type | Electric / Motorized |
| Applicable Mediums | Dusty Air, Cold/Hot Air, Exhaust Flue Gas |
Primary Applications
• Metallurgy & Mining Exhaust
• Thermal Power Plant Flue Gas
• Chemical Processing Ventilation
• Cement & Building Material Plants
• Glass Manufacturing Airways
• Environmental Dust Removal Systems
Industrial Airflow Control by YONCO
When efficient environmental and airflow regulation is critical, rely on YONCO. Our electric ventilation butterfly valves are precision-engineered and tested to ensure long-lasting structural integrity in harsh, high-dust, and high-temperature conditions. We offer complete manufacturing customization, capable of producing massive sizes up to DN4000, along with tailored automated actuation solutions. Contact our technical sales engineers today to specify the right flow parameters and dimensions for your environmental project.
