Pneumatic Flanged Butterfly Valve
- Body: GGG40/50 Ductile Iron
- Seat: EPDM, NBR, Optional Teflon
- Shaft: Stainless Steel
- Bushing: Lubricated Bronze, Teflon
- Disc: Ductile Iron as Standard (All Grades of Stainless Steel Optional)
- 90-Degree Rotation: Quick and efficient operation with a quarter-turn movement.
- Durable Construction: Available in robust materials like ductile iron and stainless steel.
- Bubble-Tight Sealing: Ensures leak-proof performance under various pressure conditions.
- Versatile Actuation: Compatible with manual, pneumatic, and electric actuators.
- High Pressure Rating: Suitable for demanding industrial environments.
- Corrosion Resistance: Ideal for use with corrosive fluids and harsh conditions.
- Compact Design: Space-saving solution that fits easily into piping systems.
- Wide Range of Applications: Used in water treatment, oil and gas, chemical processing, and more.
- Easy Maintenance: Flanged connections allow for straightforward installation and removal.
| Attribute | Details |
|---|---|
| Nominal Flow | 521 l/min |
| Pressure Rating | 10 bar (PN10) |
| Kv Value | 125 m3/h |
| Minimum Temperature | -25°C |
| Maximum Temperature | 180°C |
| Fluid Compatibility | Water, Steam, Chemicals, Oils |
| Connection Type | Wafer |
| Actuator Interface | ISO 5211 F05 |
| Surface Finish | Shot blasting |
| Certification | CE |
| Flow Type | Reduced bore |
| Applications | Water treatment |
| Port Size | 2″ – DN 50 |
| Weight | 2.7 kg |
| Sealing | PTFE, EPDM |
| Body Material | Stainless Steel (AISI 316) |
| Actuator Mounting | ISO 5211 standard |
| Flange Option | EN 1092 PN10/16, ANSI 150 |
| Face-to-Face Dimension | EN 558-1 standard |
| Gear Operator | DN150, DN200, DN250 |
Flanged Butterfly Valve: A High-Performance Solution for Industrial Applications
When it comes to industrial flow control, flanged butterfly valves are among the most versatile and widely used solutions. These valves are designed to provide reliable performance across various industries, including oil and gas, water treatment, and chemical processing. In this detailed product description, we will explore the features, benefits, and applications of flange butterfly valves, with a focus on their design, materials, and actuation options.
Understanding the Design of Flanged Butterfly Valves
Flanged butterfly valves are a type of industrial valve that operates with a simple yet effective mechanism. The valve disc, which acts as the flow control element, rotates 90 degrees within the valve body to either allow or block the flow of fluids. This quarter-turn operation is what makes butterfly valves highly efficient and easy to operate.
The design of flanged butterfly valves includes a robust valve body that is typically made from materials such as ductile iron or stainless steel, depending on the specific application. These materials are chosen for their strength, durability, and resistance to corrosion, making them suitable for both general and harsh industrial environments.
Types of Butterfly Valves
There are several types of butterfly valves available, each designed to meet specific performance requirements. Among them, the resilient seated butterfly valve is known for its tight sealing capabilities, making it ideal for applications requiring bubble-tight shutoff. The high-performance butterfly valves are engineered to handle higher pressures and temperatures, often used in demanding industries like oil and gas.
Another important variant is the pneumatic actuated butterfly valve, which uses air pressure to control the valve’s movement. These valves can be double acting or spring return, offering flexibility in automation and control systems. Actuated butterfly valves are particularly useful in applications where precise control and automation are required.
Material Considerations for Flanged Butterfly Valves
The choice of materials for flanged butterfly valves is crucial to ensuring long-term performance and reliability. Stainless steel is a popular choice for the valve body and disc due to its excellent resistance to corrosion and ability to withstand high temperatures. For seating materials, options like EPDM, PTFE, and NBR are commonly used, each offering specific advantages depending on the fluid being controlled and the operating conditions.
In the oil and gas industry, where valves are often exposed to aggressive chemicals and high pressures, ductile iron and stainless steel provide the necessary durability and strength. These materials also ensure that the valves maintain their integrity over long periods, reducing maintenance requirements and downtime.
Advantages of Flanged Butterfly Valves
Flanged butterfly valves offer several advantages that make them a preferred choice in various industries. Their compact design allows for easy installation and maintenance, especially in systems where space is limited. The90-degree rotation of the valve disc provides rapid opening and closing, which is essential in applications where quick response times are critical. This feature is particularly valuable in emergency shutdown situations or when precise flow control is required.
Flanged butterfly valves are also highly versatile, capable of handling a wide range of fluids, including water, oil, gases, and chemicals. Their ability to be customized with different seating materials allows them to meet the specific needs of various industries, from the oil and gas sector to water treatment facilities.
Moreover, the flange connection offers a secure and leak-proof seal, which is crucial for maintaining system integrity in high-pressure applications. This design ensures that the valve can be easily integrated into existing piping systems, providing flexibility and ease of maintenance.
Actuation Options for Flanged Butterfly Valves
One of the key considerations when selecting a flange butterfly valve is the type of actuation that best suits your application. Manual operation is simple and cost-effective, but for more complex systems, automated options like pneumatic or electrically actuated butterfly valves offer significant advantages.
Pneumatic actuated butterfly valves are widely used in industrial applications due to their reliability and precision. These valves can be configured as spring return or double acting, depending on the specific control requirements. The spring return option is particularly useful in safety applications, where the valve needs to return to a fail-safe position automatically in the event of a power loss.
For systems that require remote operation or integration with automated control systems, electrically actuated butterfly valves are an excellent choice. These valves can be controlled from a central location, providing real-time feedback on the valve position and ensuring precise flow control.
Applications of Flanged Butterfly Valves
Flanged butterfly valves are used across a wide range of industries due to their adaptability and performance. In the oil and gas industry, these valves are essential for controlling the flow of various hydrocarbons, ensuring safe and efficient operation of pipelines and processing plants. The high performance butterfly valves used in this industry are designed to withstand extreme conditions, including high pressure and corrosive environments.
In water treatment facilities, flanged butterfly valves play a critical role in managing the flow of water and other fluids, ensuring the smooth operation of filtration and distribution systems. Their ability to provide a tight seal and resist wear makes them ideal for use in potable water systems, as well as in wastewater treatment plants.
Summary: The Excellence of Flanged Butterfly Valves
Flanged butterfly valves stand out as essential components in various industrial applications due to their reliability, versatility, and high performance. Their robust design, featuring a quarter-turn operation with a disc that rotates 90 degrees, allows for efficient and precise flow control across different environments. Made from durable materials like ductile iron and stainless steel, these valves are engineered to handle high pressures and resist corrosion, making them suitable for industries such as oil and gas, water treatment, and chemical processing.
Jhy Group offers a comprehensive range of flanged butterfly valves tailored to meet the needs of various industries. Explore our product brochures to discover the full line of high-quality valves and browse our complete product range for additional solutions that fit your specific requirements. Whether you’re in need of precise flow control or durable performance, Jhy Group provides reliable options to enhance your piping systems.
