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Help CenterCompact Electric Butterfly Valve for HVAC and Water Treatment Systems
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As a leading manufacturer with a strong commitment to quality and innovation, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our advanced Compact Electric Butterfly Valve. Engineered specifically for the demanding environments of modern HVAC and water treatment systems, this valve represents a fusion of reliable performance, space-saving design, and automated control. Since our establishment in 2016, we have dedicated ourselves to producing fluid control solutions that meet the evolving needs of global markets, from North America to Southeast Asia. Our compact electric butterfly valve is designed to offer precise flow regulation, dependable shut-off, and seamless integration into automated building management and industrial process systems, providing a robust and efficient solution for engineers and system integrators worldwide.
This valve is built to deliver exceptional performance where space is at a premium and reliable automation is required. Its compact design does not compromise on durability or functionality, making it an ideal choice for a wide range of applications. Below are the key features and technical specifications that define this product:
- Space-Optimized Design: The integrated electric actuator and valve body are engineered to minimize the overall envelope size. This is crucial for installations in crowded mechanical rooms, air handling units, or compact water treatment skids, allowing for easier piping layout and maintenance access.
- Robust Construction for Longevity: Utilizing high-grade materials, the valve ensures a long service life even under continuous operation. The disc is precision-machined and paired with a resilient seat to provide a bubble-tight seal, minimizing leakage and ensuring system efficiency.
- Versatile Electric Actuation: The valve is equipped with a high-torque electric actuator suitable for both on/off and modulating control duties. It features a manual override option for emergency operation and is available in a range of standard voltages to match local electrical specifications in our main export markets.
- Excellent Flow Characteristics: The butterfly disc design offers low flow resistance and a near-linear flow characteristic in the modulating range, allowing for precise control of fluid volume in heating, cooling, and water treatment processes.
- Easy Installation and Maintenance: The wafer or lug-style body allows for installation between pipe flanges without the need for additional gaskets on the valve, simplifying the process. The modular design also facilitates easy maintenance or actuator replacement if needed.
- Broad Compatibility: Designed to handle water, air, and other non-corrosive media commonly found in HVAC and water treatment applications. Material options for wetted parts can be customized to suit specific fluid chemistries or temperature requirements.
To provide a clear overview of the available options, here is a summary of common specifications:
| Parameter | Specification / Options |
| Valve Size (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450, 500, 600 |
| Pressure Rating (PN) | PN10, PN16 |
| Body Material | Ductile Iron (Standard), Cast Iron, Stainless Steel 304/316 |
| Disc Material | Stainless Steel 304 (Standard), 316, Nickel Plated |
| Seat Material | EPDM (Standard for water), NBR, PTFE (for higher temps) |
| Actuator Control | On/Off (2-point), Modulating (4-20mA / 0-10V control signal) |
| Protection Class | IP65 (Standard), IP67/IP68 available |
| Ambient Temperature | -20°C to +60°C (Standard actuator) |
The advantages of integrating this compact electric butterfly valve into your system are significant. For HVAC contractors, it means easier installation in tight spaces within air handling units or fan coil units, leading to faster project completion. For water treatment plant operators, the reliable automated control ensures consistent process parameters, such as backwash cycle timing or chemical dosing flow rates, improving overall plant efficiency. Building managers benefit from the valve's compatibility with energy management systems, allowing for optimized pump operation and reduced energy consumption. The robust design minimizes downtime and maintenance costs, providing a strong return on investment over the valve's lifecycle.
Our commitment to quality is demonstrated by our ISO9001 certification, which governs our entire manufacturing process from raw material inspection to final testing. With an annual export value reflecting consistent global demand, our products are trusted by clients across North America, Europe, Asia, and beyond. We support this trust with flexible logistics, shipping from major ports like Shanghai, Guangzhou, and Hong Kong to ensure timely delivery. Choosing our compact electric butterfly valve means partnering with a dedicated manufacturer focused on delivering reliable, automated flow control solutions. Contact us today to discuss your project specifications, request a detailed quotation, or learn more about how this valve can enhance the performance and efficiency of your HVAC or water treatment system.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a "compact" design in an electric butterfly valve?
A: The primary benefit is space savings. In crowded mechanical rooms or within equipment like AHUs, the reduced overall dimensions allow for easier piping arrangement, simpler maintenance access, and more flexible system design, which can be critical in retrofit projects. -
Q: Can this valve be used for both hot and cold water in HVAC systems?
A: Yes, with the appropriate seat material selection. The standard EPDM seat is suitable for cold water up to approximately 80°C. For higher temperature applications, such as heating hot water, alternative seat materials like PTFE can be specified to ensure longevity and proper sealing. -
Q: How does the electric actuator receive its control signal?
A: For on/off models, the actuator typically uses a simple 3-wire connection (Live, Neutral, Control). For modulating control, the actuator accepts a standard analog signal, most commonly 4-20mA or 0-10V DC, which allows for precise positioning of the disc from 0 to 90 degrees based on the input from a controller or BMS. -
Q: Is a manual override feature included?
A: Yes, a manual override is a standard or commonly available option on the electric actuators we use. This allows an operator to manually open or close the valve using a handwheel or lever in case of a power failure or during maintenance, ensuring system operability. -
Q: What is the typical lead time for an order of these valves?
A: Lead times can vary based on size, material, and actuator configuration. Standard models in common sizes often have shorter lead times or may be available from stock. For customized specifications or large orders, our sales team can provide a specific production schedule upon request. -
Q: Are these valves suitable for use with potable (drinking) water?
A: Valves intended for potable water applications can be supplied with body and disc materials, and particularly seat materials (like EPDM), that comply with relevant standards for drinking water contact. It is important to specify this requirement when inquiring to ensure the correct material certifications are provided. -
Q: What kind of warranty or after-sales support do you offer?
A: We stand behind the quality of our manufacturing. A standard warranty period is offered on our valves and actuators. Furthermore, we provide technical documentation, wiring diagrams, and support to assist with installation and troubleshooting, ensuring our clients have the resources needed for successful integration. -
Q: Can you provide valves with different end connections, like threaded ends?
A: While wafer and lug styles are most common for the pressure ratings and sizes typical in HVAC/water treatment, other connection types may be available as a special order. It's best to consult with our engineering team to confirm feasibility for your specific size and pressure requirement.
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