10 Different Types of Butterfly Valve

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Bruce Zheng

Hi, I'm Bruce Zheng. I am pleased to offer you the best Valves with strict quality control in NTVAL.

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Are you looking to optimize your valve inventory with the best types available? Choosing the right Butterfly Valve can boost efficiency and customer satisfaction.

As a Flow Control Systems Expert, we know that understanding the differences is crucial. We’re here to guide you through the key types.

Here is a sneak peek at 2 of the popular Butterfly Valve types:

  • Concentric Butterfly Valve
  • Double Eccentric Butterfly Valve

In this guide, you’ll learn each valve type’s essential features and benefits. This information will help you make informed decisions for your inventory.

So, let’s dive into it!

1. Concentric Butterfly Valve

The Concentric Butterfly Valve features a centrally positioned disc within the valve body, along with a resilient rubber seat. This valve is recognized for its straightforward design and affordability, offering smooth operation and easy maintenance, making it suitable for a wide range of uses. Here are some common applications:

  • Water Distribution Systems: Frequently used in potable water and wastewater treatment plants due to its ability to handle large volumes of liquid with minimal pressure loss.
  • HVAC Systems: Applied in Heating, Ventilation, and Air Conditioning systems for regulating airflow in ducts and controlling system performance.
  • Chemical Processing: Utilized in chemical plants where resistance to corrosion is essential, enhancing the safe handling of corrosive fluids and gases.
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2. Double Eccentric Butterfly Valve

The Double Eccentric Butterfly Valve is built for enhanced performance and safety, particularly in sectors like oil and gas. On top of that, it adheres to ASME 150 and 300 standards and is equipped with a soft polymer seat, with materials such as PTFE, RTFE, or UHMWPE available to meet specific requirements. Below are some key applications of the Double Eccentric Butterfly Valve:

  • Oil and Gas Pipelines: Ideal for controlling high-pressure fluid and gas flow in pipelines, with 316 stainless steel components establishing superior corrosion resistance and reliable performance.
  • Power Generation Plants: Utilized in power plants for handling steam, cooling water, and other critical fluid systems where the valve’s 316 stainless steel construction contributes to durability and safety.
  • Marine and Offshore Environments: Effective in marine operations, where the use of 316 stainless steel provides excellent corrosion resistance, enhancing long-term reliability in harsh, saltwater conditions.
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3. Triple Eccentric Butterfly Valve

The Triple Eccentric Butterfly Valve is crafted for uses where zero leakage and exceptional durability are critical. As a matter of fact, its design includes three offsets that prevent friction during operation, establishing a tight, bubble-free seal. Below are key applications of the Triple Eccentric Butterfly Valve:

  • Chemical Processing Plants: Suitable for handling aggressive chemicals at high temperatures and pressures, thanks to its strong metal-seated design and ability to maintain a reliable seal.
  • Power Generation Facilities: Utilized in steam and high-pressure systems where the valve’s friction-free operation and laminated seal ring guarantee consistent performance and longevity.
  • Maritime and Offshore Services: Essential for marine applications where exposure to harsh environments and thermal expansion requires a durable valve with superior sealing capabilities.
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4. High Performance Butterfly Valve

The High Performance Butterfly Valve is built to meet the demands of challenging applications, delivering precise flow control and dependable shut-off. For instance, this valve offers superior performance in demanding environments, providing tight sealing, durability, and efficient operation under various conditions. Below are some common applications of the High Performance Butterfly Valve:

  • Precision Flow Control: Utilized in industrial systems where accurate regulation of fluid flow is essential for maintaining efficiency and minimizing pressure loss in critical processes.
  • Leak Prevention Systems: Employed in situations requiring a tight shut-off to guarantee system integrity, especially in environments where fluid containment is critical to safety and performance.
  • Corrosive Environment Operations: Applied in industries where exposure to harsh or corrosive substances demands materials that can withstand aggressive media while enhancing long-term durability and reliable operation.
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5. Wafer Type Butterfly Valve

The Wafer Type Butterfly Valve is a compact and economical choice for a range of uses. NTVAL suggests that irots lightweight construction and dependable performance make it a versatile option for managing fluid flow efficiently. Below are some common applications of the Wafer Type Butterfly Valve:

  • Water Distribution Systems: Widely used in water supply networks where space-saving design and reliable fluid control are essential for efficient operation.
  • HVAC Systems: Commonly applied in heating, ventilation, and air conditioning systems to regulate airflow and maintain system performance in commercial and industrial buildings.
  • Light Industrial Processes: Utilized in various light industrial operations, including food processing and chemical handling, where corrosion resistance and quick installation are critical for smooth workflow.
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6. Lug Type Butterfly Valve

The Lug Type Butterfly Valve is perfect for systems requiring frequent disassembly or maintenance. In a similar manner, according to Market Research Tools, the Lug Butterfly Valves Market is projected to grow significantly from 2024 to 2031, with a CAGR of 10.71%. Ideal for water treatment, food processing, and chemical industries, below are the applications of Lug Type Butterfly Valve:

  • Water Treatment Plants: Used in water treatment systems where easy disassembly and reassembly are necessary for regular maintenance, establishing smooth operation with minimal disruption.
  • Food Processing Facilities: Applied in food processing where frequent cleaning and maintenance are required, the valve’s threaded lug design allows for quick removal without affecting surrounding components.
  • Chemical Processing: Ideal for chemical industries, where its tight shut-off feature helps prevent leaks, and its durable construction withstands exposure to corrosive substances and challenging conditions.
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7. Flanged Butterfly Valve

The Flanged Butterfly Valve is designed for applications where a secure and strong connection is critical. But that’s not all. It features flanges on both sides of the valve body, which bolt directly to the pipe flanges, ensuring a leak-proof seal. Below are some key industry applications of the Flanged Butterfly Valve:

  • Water Treatment Plants: Used in water systems where a strong, leak-proof connection is essential for handling large volumes of water under pressure, enhancing system efficiency.
  • Industrial Processing: Applied in various industrial settings that demand reliable connections and durability in the face of high-pressure and corrosive environments.
  • Marine Applications: Ideal for marine operations where the valve’s sturdy construction and dual flange design are necessary to withstand harsh conditions and maintain a secure seal.
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8. Pneumatic Actuated Butterfly Valve

This type of valve combines the efficiency of a Butterfly Valve with the precision of pneumatic control. For instance, this valve features a ductile iron body with an epoxy coating and a nickel-plated ductile iron disc. As if that’s not enough, the pneumatic actuator allows for automated and remote control, enhancing operational efficiency and safety. Below are the significant applications of Pneumatic Actuated Butterfly Valve:

  • Chemical Processing: Ideal for environments requiring precise flow regulation, where pneumatic actuation provides quick response times and accurate control over fluid handling processes.
  • Water Treatment Plants: Utilized in systems requiring automated control for fluid management, with its durable construction enhancing longevity despite exposure to corrosive substances.
  • HVAC Systems: Applied in heating, ventilation, and air conditioning systems where wide temperature tolerance and reliable performance are critical to maintaining system stability and efficiency.
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9. Gear Operated Butterfly Valve

The gear-operated Butterfly Valve is designed for precise manual control, offering a strong solution for a range of industrial applications. It gets even better. It operates at a maximum pressure of 200 PSI and a temperature up to 180°F, meeting the AWWA standard. Here are the prominent applications of Gear Operated Butterfly Valve:

  • Municipal Water Systems: Used in water distribution systems where manual control and fine-tuned adjustments are needed to regulate fluid flow efficiently, in compliance with AWWA standards.
  • Industrial Processing: Applied in processes that require reliable and durable valve performance, where the gear mechanism guarantees precise flow control even under frequent use.
  • Wastewater Treatment: Ideal for wastewater systems where the valve’s durable construction and standard compliance provide dependable operation under demanding conditions.

10. Stainless Steel Butterfly Valve

The Stainless Steel Butterfly Valve is built for durability and reliability in heavy-duty and harsh environments. Made primarily from stainless steel, NTVAL recognizes that this valve can handle both low and high temperatures, as well as high pressures and slurries. As if that’s not enough, below are the critical applications of Stainless Steel Butterfly Valve:

  • Chemical Processing: Ideal for handling corrosive chemicals and high-pressure applications, where the stainless steel construction ensures long-lasting performance and resistance to wear.
  • Oil and Gas: Used in high-pressure and high-temperature conditions, where the valve’s strong build and versatile internal components effectively manage various media.
  • Mining and Slurry Handling: Applied in mining operations and slurry transportation where the valve’s durability and quick operation are essential for managing abrasive materials efficiently.

The following table outlines the features and benefits of quarter-turn handwheel valves:

FeatureBenefit
Quarter-turnRequires only a 90-degree turn to fully open or close.
Handwheel designAllows for manual operation without the need for electricity or automation.
Quick OperationSpeeds up the process of opening and closing, enhancing efficiency in fluid control.

Conclusion

Understanding the different types of Butterfly Valves is essential for optimizing performance and ensuring the reliability of industrial systems. Each type offers unique features and benefits, making them suitable for various applications across diverse industries. Selecting the appropriate Butterfly Valve can significantly enhance system efficiency and durability.

This guide provides the insights needed to make informed decisions about the best Butterfly Valve for your specific needs. At NTVAL, we specialize in high-quality valves designed to meet the demands of large-scale operations. If you’re in need of dependable and durable Butterfly Valves, contact us today to learn how we can support your business.

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