Industrial systems demand precision, durability, and adaptability when it comes to flow control. The high performance butterfly valve is designed to meet these exact needs, offering a compact solution with exceptional sealing, torque efficiency, and reliability. At TWT Valve, we specialize in engineering butterfly valves that outperform traditional designs—ensuring smooth, leak-free operation even in high-pressure and high-temperature environments.
What Makes a Butterfly Valve “High Performance”?
Contrary to regular butterfly valves, the high performance butterfly valves have an innovative construction justifying their service for more stringent working environments in terms of pressure and temperature. Among other things, these valves are usually implemented with a double-offset (or offset butterfly valve) disc mechanism. This type of design curtails seat wear, significantly lowers the cold-working friction and provides for a lesser sealing surface with fewer actuation forces.
The changing conditions such as the above-mentioned ones open the door for high performance butterfly valves to be applied to much heavier duties like power generation, chemicals processing, and the treatment of water to make it clean and pure, while the use of ordinary valves could not guarantee a leak- or meltdown-free operation.
Offset Butterfly Valve: The Core of Enhanced Functionality
The function of the offset butterfly valve is the key to its higher effectiveness in these systems. The valve rotates the seat at the beginning of the opening that the disc friction reduces and the valve life is extended hence the disc is eccentric. This method also becomes double acting sealing which is good for the valve even when the flow direction is changed.
At TWT Valve, our offset butterfly valves are engineered with top-notch materials and, therefore, are able to pass a wide range of rigorous international standards. Our butterfly valves not only perform well when used alone, but they also work in perfect tandem with other emergency action solutions such as flanged gate valves and thus provide high efficiency and confidence.
Comparing Butterfly Valves and Flanged Gate Valves
While the flanged gate valve excels at full shut-off in pipelines, it is often bulky and slow to operate. The high performance butterfly valve, on the other hand, provides:
Faster actuation
Space-saving design
Lower maintenance needs
Throttling capabilities
In many industrial scenarios, combining a butterfly valve with a flanged gate valve creates an efficient system where flow control and isolation work hand-in-hand.
Material Selection and Application Versatility
TWT Valve offers flanged gate valves in a wide range of materials, including stainless steel, carbon steel, and PTFE-lined options. This ensures compatibility with a variety of fluids—whether corrosive chemicals, steam, slurry, or potable water.
These valves are commonly used in:
Chemical and petrochemical pipelines
HVAC systems
Fire protection networks
Marine and offshore facilities
Their compact form makes them ideal for tight installations, while the offset butterfly valve mechanism ensures durability under harsh operating conditions.
Why Choose TWT Valve
As a trusted manufacturer in the valve industry, TWT Valve brings decades of expertise to every product line. We not only deliver high performance butterfly valves with precision manufacturing and zero-leakage standards, but also provide complete system support. From sizing recommendations to material consulting, we help clients select the perfect valve for every project.
In addition to butterfly valves, our product portfolio includes flanged gate valves, globe valves, and other industrial-grade components, each designed with the same commitment to quality and reliability.
The butterfly check valve is a common type of valve, mainly used to prevent the backflow of media in the pipeline system. Its working principle and design features make it very effective in many applications. The following are the main mechanisms of the butterfly check valve to prevent the backflow of media:
1. Basic structure and core sealing mechanism
The butterfly check valve is mainly composed of valve body, valve disc, valve stem, sealing ring and other components. Its core sealing mechanism is based on the cooperation between the valve disc and the valve seat. The valve seat is usually made of elastic sealing materials such as rubber and fluoroplastics, or metal surfacing hard alloy. The valve disc rotates around a fixed axis in the valve body.
When the medium flows forward, the medium pressure pushes the valve disc to rotate around the axis and open, the valve disc is separated from the valve seat, and the medium passes smoothly. Once the medium stops flowing or flows back, the valve disc quickly rotates and fits tightly to the valve seat under the action of gravity, medium reverse pressure and possible spring auxiliary force.
2. Dynamic closing process based on fluid mechanics
Forward flow stage: The dynamic pressure generated by the flow of the medium acts on the surface of the valve disc, forming a torque that opens the valve disc. This torque needs to overcome the friction resistance torque of the valve disc rotation, the resistance torque generated by the spring preload, and the resistance torque generated by the valve disc’s own gravity. When the opening torque generated by the dynamic pressure of the medium is greater than the sum of the above resistance torques, the valve disc opens and the medium passes smoothly.
Closing transition stage: When the medium flow rate decreases, such as when the water pump stops or the system pressure fluctuates, the positive force of the medium on the valve disc decreases, and the direction of the resultant force on the valve disc begins to change. At this time, the valve disc begins to rotate in the closing direction under the combined action of its own gravity, the medium backflow pressure, and the spring force.
Fully closed stage: As the valve disc continues to rotate, it eventually fits tightly with the valve seat.
3. Special structural design enhances anti-backflow performance
Eccentric structure optimization:
Double eccentric design: The valve stem not only deviates from the center of the valve disc, but also deviates from the center line of the pipeline. This structure makes the valve disc completely separate from the valve seat at the moment of opening, further reducing friction; when closed, the valve disc gradually squeezes toward the valve seat to form a good sealing effect, which is especially suitable for high temperature and high pressure conditions.
Auxiliary seal and damping device:
Elastic seal ring: A seal ring made of nitrile rubber (NBR), ethylene propylene rubber (EPDM) and other materials, installed on the valve seat or valve disc. When the valve disc is closed, the seal ring is compressed, filling the tiny gap to form a secondary seal.
Damping device: Some butterfly check valves are equipped with dampers, such as hydraulic dampers, spring dampers, etc. During the closing process of the valve disc, the damper controls the rotation speed of the valve disc to avoid water hammer caused by closing too quickly.
Conclusion
Butterfly check valves achieve efficient and reliable prevention of medium backflow through the synergy of structural design, application of fluid mechanics principles, special structural optimization and other aspects, meeting the needs of different industrial fields and complex working conditions. TWT Valve, as a Chinese non return valve manufacturer and supplier, is committed to producing high-quality check valves, such as high performance butterfly valves. If you have any questions, please feel free to contact us!
As far as industrial purposes go, the correct selection of valves is highly important. Two butterfly valves that are used most frequently are triple offset and wafer. Actually, each of the two variants has its specific characteristics, positive sides, and areas of implementation. This article will disclose these differences for you.
What is a Triple Offset Butterfly Valve?
The triple offset butterfly valve has been given a novel angle through three eccentric offsets that improve its sealing performance and, at the same time, its energy effectivity. This cutting-edge design not only allows for less friction between the disk and the seat but also results in very gentle and quiet operation.
Key Features:
Three-Eccentric Design: The newly invented shape is what makes the valve so powerful in preventing the medium from escaping.
Metal Sealing: Most triple offset butterfly valves use metal seals and this is why they can be employed in high-pressure and high-temperature industrial processes.
Versatility: These valves have a broad range of potential applications involving media such as water, oil, gas, and aggressive media.
Advantages:
Lower Maintenance Costs: Having new technology, the valve wears less, thus, its life is longer.
High Performance: The offset design is the biggest factor that causes better flow control and lower pressure drop.
Zero Leakage: The sealing performance of this valve prevents any leakage loss, thus improving the system’s efficiency.
What is a Wafer Butterfly Valve?
The wafer butterfly valve is a compact valve, which is commonly used in water treatment, HVAC systems, and food processing, and mainly for the flow in the specific section of the whole line. The valve gets its name from the fact that it looks like a wafer.
Key Features:
Compact Design: The design of the wafer-type valve enables it to be fitted between flanges with ease thus very much applicable in confined spaces.
Cost-Effective: In general, wafer butterfly valves have a lower purchase price compared to triple offset butterfly valves and, therefore, it is an affordable product.
Lightweight: Their reduced mass allows for a more straightforward method of carrying out the tasks that involve the use of wafer butterfly valves and that includes even the toughest and most energy-consuming work.
Advantages:
Ease of Installation: The wafer butterfly valve is easily fitted, and the installer does not need to have a lot of experience.
Versatile Applications: Most HVAC systems work wonders with the help of a wafer butterfly valve.
Good Flow Control: The wafer butterfly valve’s flow control is excellent although the level of sealing doesn’t reach that of advanced triple offset valves, it is enough to meet the requirements of flow control.
Key Differences Between Triple Offset and Wafer Butterfly Valves
1. Design Complexity
The reason that a triple offset butterfly valve is more superior in terms of its sealing capabilities is because it has a configuration of three offsets which do not affect each other and hence has the significant protrusion (offset) bearings that are able to seal. On the contrary, the wafer butterfly valve is simply built, easy to understand and does not have a complicated design.
2. Sealing Mechanism
For excellent sealing performance, metal seals are used in three offset butterfly valves so they are used in high-pressure and high-temperature applications. Wafer butterfly valves normally only rely on the rubber or elastomeric seals that may not be as efficient or work as well under extreme conditions.
3. Performance and Efficiency
The offset of the triple is the feature with which torque requirements can be made lower and the wear on sealing surfaces minimized, thus it leads to the valve with higher performance and longer service life. Even though they have a wide range of applications, the wafer butterfly valves may not be as efficient and effective in demanding conditions.
4. Application Suitability
The most appropriate example of the application of the triple offset kind of a valve is where industrial operations are being conducted for the purpose of increasing the performance and guaranteeing high reliability. The industries like oil & gas, power generation, and chemical processing can be the primary uses of the triple offset butterfly valves. Wafer butterfly valves, however, are types that are applicable for general flow regulation like water treatment and HVAC systems.
Conclusion
Deciding which is best between the triple offset butterfly valve and the wafer butterfly valve limits you to your particular application requirements.
Our focus is on the production of high performance butterfly valves, and among them are the triple offset butterfly valves as well as the wafer butterfly valves. If you want to make a request for a quote, feel free to contact us today, and find out how our valves can be instrumental in improving your operations!
When comparing high performance butterfly valve (DN25) and soft sealing butterfly valve (DN100), each has its unique features and applications. Understanding their differences helps select the right option for specific needs. Below are the main aspects:
What Are DN Stand For?
Please use the table below for your reference about GGG50 butterfly valve sizes, and if you have any other questions, please ask the Just Valves team.
Nominal Pipe Size (inches)
Diameter Nominal DN (mm)
¾”
DN20
1″
DN25
1¼”
DN32
1½”
DN40
2″
DN50
2½”
DN65
3″
DN80
4″
DN100
Structural Design
DN25 Butterfly Valve: The high performance butterfly valve uses a double eccentric design. Its disc is offset from the valve seat center, reducing wear during operation. This innovative structure provides better sealing under high-pressure conditions.
DN100 Butterfly Valve: The soft sealing butterfly valve also features a double eccentric structure but uses a flexible sealing seat. This ensures tight sealing, especially in low-pressure systems.
Material Composition
DN25 Valve: Typically made from durable materials like stainless steel or carbon steel. These materials withstand higher pressures and temperatures, making it suitable for industries like HVAC and ethanol processing.
DN100 Valve: Often made from ductile iron with an anti-corrosion coating. Its soft sealing seat, usually made of rubber or PTFE, ensures leak-free performance in water supply systems.
Application Range
High Performance Butterfly Valve (DN25): Ideal for applications with high pressure and temperature, such as industrial pipelines or chemical plants. Its robust design and precision engineering ensure reliability.
Soft Sealing Butterfly Valve (DN100): Commonly used in municipal water supply, wastewater treatment, and low-pressure fluid systems. Its softer seal makes it perfect for preventing leaks in less demanding environments.
Size and Flow Control
DN25 Butterfly Valve: Smaller size ensures compact installation. Its design prioritizes high-pressure flow control with minimal maintenance needs.
DN100 Butterfly Valve: Designed for larger pipelines, the soft sealing butterfly valve provides efficient flow isolation and control in medium-pressure systems.
Choose the Right Supplier
Within the DN25-DN3600 butterfly valve range, both high-performance and soft-sealing butterfly valves serve distinct purposes. The right valve depends on pressure requirements, fluid type, and application. Choosing the right size ensures efficient and reliable operation in various industrial and municipal systems.
For more information, don’t hesitate to contact us at +86 18722007022 or [email protected].
When choosing a valve for your system, understanding the differences between options is essential. High performance butterfly valve and triple eccentric wafer butterfly valve are two widely used types, each excelling in specific applications. Let’s explore their features, advantages, and applications in detail.
Structural Differences
Valve Type
Design
Material
High Performance Butterfly Valve
Double offset disc design to reduce seat wear and improve sealing
Carbon steel, stainless steel, aluminum bronze
Triple Eccentric Wafer Butterfly Valve
Three-offset design ensures reliable metal-to-metal sealing and reduces friction
Metal-sealed surfaces with stainless steel or other alloys
The high performance butterfly valve is often preferred for precise flow regulation, while the triple eccentric wafer butterfly valve is better for extreme temperatures and pressures due to its robust sealing mechanism.
Performance and Longevity
Sealing Mechanism
High performance butterfly valve uses a double eccentric design, offering zero leakage under moderate conditions.
Triple eccentric wafer butterfly valve ensures superior sealing with its metal-sealed surface, making it ideal for high-pressure pipelines.
Durability
Both valves boast long service life, but the triple eccentric design minimizes wear and ensures extended use under challenging conditions.
Maintenance
High performance valves are easier to maintain due to their simpler construction. Triple eccentric valves, while durable, may require specialized care.
Applications in Industry
High Performance Butterfly Valve Suitable for applications requiring precise control, such as water treatment, HVAC systems, and oil pipelines.
Triple Eccentric Wafer Butterfly Valve Designed for demanding industries, including chemical processing, high-pressure steam systems, and power plants.
Why Choose TWT for Valves?
As a leading China valve supplier, TWT® offers both high performance butterfly valve and triple eccentric wafer butterfly valve tailored to meet industry needs. With over 60 years of manufacturing expertise, we ensure:
Advanced engineering for optimal performance.
High-quality materials for durability and reliability.
Customization to suit diverse applications.
Conclusion
Whether you need precise flow control or robust sealing under extreme conditions, choosing the right valve is crucial. High performance butterfly valve excels in versatility and maintenance, while triple eccentric wafer butterfly valve is perfect for high-pressure environments.
Contact TWT today +86 18722007022 or [email protected] to find the ideal valve for your system!
