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Help CenterDN50 to DN600 Electric Butterfly Valve for Flow Control, 220V/380V AC Motor
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As a leading manufacturer with ISO9001 certification and a strong export presence across global markets from North America to Oceania, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium Electric Butterfly Valve series. Engineered for precise and reliable flow control in demanding industrial applications, this valve combines robust construction with advanced electric actuation. Our commitment to quality, honed since 2016, ensures every valve delivers consistent performance, helping you optimize your process efficiency and system reliability. We understand the critical need for dependable flow regulation, and our product is designed to meet that challenge head-on.
This Electric Butterfly Valve is a versatile solution for on/off and modulating service in pipelines ranging from DN50 to DN600. The integration of a high-torque 220V/380V AC motor ensures powerful and responsive operation, suitable for a wide array of media including water, air, and mild chemicals. The valve's design prioritizes longevity and low maintenance, featuring a durable disc and seat assembly that minimizes wear and provides a tight seal. Whether for HVAC systems, water treatment plants, or industrial process lines, this valve offers a cost-effective and efficient method for automated flow control.
Key Features & Technical Advantages:
- Precise Electric Actuation: The valve is equipped with a reliable electric actuator that provides accurate positioning for both on/off and proportional control. This allows for seamless integration into automated control systems (DCS, PLC, or SCADA), enabling remote operation and precise flow management without manual intervention.
- Robust Construction & Material Options: The valve body is available in high-grade cast iron, ductile iron, or stainless steel to suit different pressure ratings and corrosive environments. The seat materials, including EPDM, NBR, Viton, and PTFE, can be selected based on media compatibility, temperature range, and required sealing performance.
- Wide Size & Pressure Range: Covering a comprehensive spectrum from DN50 (2") to DN600 (24"), this series is adaptable to various pipeline dimensions. It is designed to handle a range of pressure classes, ensuring suitability for low to medium-pressure applications common in utilities and industry.
- Flexible Control & Feedback: The actuator supports multiple control signals, from simple switch commands to analog signals like 4-20mA or 0-10V for modulating control. Optional position feedback (potentiometer or encoder) and limit switches provide real-time status information to the control system, enhancing process visibility and safety.
- Easy Installation & Maintenance: Featuring standard wafer, lug, or flanged connections, the valve is designed for straightforward installation between pipe flanges. The compact design of the butterfly valve, combined with the actuator, saves space compared to other valve types. The modular actuator design also allows for easier servicing or replacement if needed.
Technical Specifications Table:
| Parameter | Specification / Option |
| Valve Size | DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600 |
| Body Material | Cast Iron (Standard), Ductile Iron, Stainless Steel (304/316) |
| Seat Material | EPDM (Standard), NBR, Viton, PTFE |
| Power Supply | 220V AC 1~, 380V AC 3~, 50/60Hz |
| Operating Temperature | -10°C to +120°C (dependent on seat material) |
| Control Mode | Switch Control (Open/Close), Modulating Control (4-20mA/0-10V) |
| Protection Rating | IP65 (Standard), IP67, IP68 available |
| Connection Standard | ISO, DIN, ANSI, JIS (Customizable) |
Benefits for Your Operation: Implementing our electric butterfly valve translates into tangible benefits for your facility. You gain improved process control accuracy, leading to better product quality and resource efficiency. The remote operation capability reduces labor costs and enhances safety by limiting personnel exposure to process areas. The valve's durable design minimizes downtime and maintenance expenses, while its energy-efficient electric motor consumes power only during actuation, unlike constantly pressurized pneumatic systems. Furthermore, the wide range of customization options ensures you get a valve tailored to your specific media, pressure, and control requirements.
Backed by our company's ISO9001 quality management system and a proven track record of exporting over US$1 Million in products annually to markets worldwide, you can trust in the reliability and performance of our Electric Butterfly Valves. Our expertise, developed since our establishment in 2016, and our strategic shipping points in Shanghai, Guangzhou, Hong Kong, and Beijing ensure efficient delivery and support. We are confident that our valve will provide a robust, long-lasting solution for your flow control needs. Contact us today to discuss your specific application requirements and discover how our product can enhance your system's performance and reliability.
Frequently Asked Questions (FAQ):
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Q: What is the main difference between on/off and modulating control for this valve?
A: On/Off control simply opens or closes the valve fully. Modulating control allows the valve to be positioned at any point between fully open and closed, enabling precise flow rate regulation based on a continuous control signal (like 4-20mA). -
Q: Can this valve be used for both water and chemical applications?
A: Yes, but material compatibility is key. While standard EPDM seats work well for water, you must select the appropriate body material (e.g., stainless steel) and seat material (e.g., PTFE or Viton) based on the specific chemical's concentration, temperature, and properties. -
Q: Is the actuator waterproof? Can it be installed outdoors?
A: The standard actuator has an IP65 rating, making it dust-tight and protected against low-pressure water jets. For outdoor installation or harsher environments, we recommend opting for the IP67 or IP68 versions for submersion protection. -
Q: What is the typical delivery time for an order?
A: Delivery time depends on the order quantity, size, and customization. Standard models in common sizes often have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed specifications. -
Q: Do you provide technical support for installation and wiring?
A: Absolutely. We provide detailed installation manuals, wiring diagrams, and datasheets with every order. Our technical team is also available to offer guidance for integration into your control system. -
Q: How do I select the right valve size (DN) for my pipeline?
A: The valve size (DN) should match the nominal diameter of your pipeline flanges. Please provide your pipe size and flange standard (e.g., ANSI 150#), and we can confirm the correct valve specification. -
Q: What happens if the power fails? Does the valve have a fail-safe position?
A: The standard electric actuator does not have a spring-return fail-safe mechanism. For applications requiring a fail-safe position (fail-open or fail-close), we can offer actuators with battery backup units or recommend a pneumatic actuator alternative. -
Q: Are spare parts like seals and gaskets readily available?
A: Yes. We maintain an inventory of common spare parts. We recommend purchasing a maintenance kit with your initial order to ensure quick access to critical wear components when needed.
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