electric damper butterfly valve

Body: Cast Iron, Ductile Iron, Stainless Steel,CF8,CF8M,CF3M
Disc: Stainless Steel CF3M,CF3,CF8M,Double StainlessSteel,2507,1.4529,310S
Stem: Stainless Steel
Seats: Stainless Steel
Size: 2″ – 120″ (25mm – 3000mm)
Flange accommodation: EN 1092 PN 6/PN10/PN16
ASME Class 150
AS 4087 PN 10/ PN 16
JIS 5K/10K
Top flange:ISO5211







    Description

    electric damper butterfly valve

    Our electric damper butterfly valve is designed to provide superior flow and pressure control in low-pressure service conditions. It features a unique metal face seal with a central line structure, which reduces seat leakage and ensures a secure seal every time. Made of strong and durable cast iron, ductile iron, stainless steel, and more, this versatile butterfly valve also comes in sizes from 2” to 120” (25mm – 3000mm). Additionally, it’s compatible with EN 1092 PN 6/PN10/PN16 flanges as well as ASME Class 150 and JIS 5K/10K flanges. Thanks to its lightweight design, convenient maintenance features, and mature manufacturing technology, our electric damper butterfly valve is an ideal solution for high temperature fluids in industries such as steel production, building materials, petrochemicals and power stations.

    low load butterfly valve adopts the metal face seal design of central line structure. The metal seat surrounds the disc. This structure can reduce the seat leakage. Featured by simple structure, light weight, mature manufacturing technology and convenient maintenance, the butterfly valve is used for flow and pressure control in low pressure service conditions and is suitable for fluids of very high temperature. It is widely used in steel, building materials, petrochemical industry, power station and other industries.

    Description
    Body: Cast Iron, Ductile Iron, Stainless Steel,CF8,CF8M,CF3M
    Disc: Stainless Steel CF3M,CF3,CF8M,Double StainlessSteel,2507,1.4529,310S
    Stem: Stainless Steel
    Seats: Stainless Steel
    Size: 2″ – 120″ (25mm – 3000mm)
    Flange accommodation: EN 1092 PN 6/PN10/PN16
    ASME Class 150
    AS 4087 PN 10/ PN 16
    JIS 5K/10K
    Top flange:ISO5211
    Temperature range: -40 °C to + 980 °C (depending on pressure, medium and material)
    Body style: Flange
    Applications: High temperature flue gas

    Electric Actuator
    Output Torque 50Nm to 2000 Nm)
    Control: ON-OFF type、Regulation type
    Control signal: 4-20 mADC、0-5 VDC、0-10 VDC
    Power: 12 VDC,24 VAC,24 VDC,220 VAC,120 VAC,380 VAC 50/60 Hz ±10%
    Water-proof actuator:IP67
    Option specification:
    Explosion-proof actuator: Exd II CT5
    Water-proof actuator:IP67


    FAQs

    What is a damper butterfly valve?

    A damper butterfly valve is a type of control valve used in various industries, including HVAC systems, power plants, and water treatment plants. It is designed to regulate the flow of gases or liquids by using a disc/shutter (also known as the butterfly) that rotates around a shaft.

    The name “damper” comes from its primary function of dampening or controlling the flow rate. The term “butterfly” refers to the shape of the disc used in this type of valve. This design allows for precise and smooth control over the flow, making it an essential component in many industrial processes.

    Construction-wise, a damper butterfly valve consists of four main parts – body, disc/shutter, stem, and actuator. The body is typically made from cast iron or carbon steel and houses all other components. The disc/shutter can be made from metals such as stainless steel or aluminum alloy coated with rubber or polymers for better sealing performance.

    One unique feature of this valve is its ability to rotate 90 degrees to fully open or close the passage quickly. This compact design makes it ideal for applications where space is limited.

    Application of damper butterfly valve in waste gas industry

    The use of damper butterfly valves in the waste gas industry is paramount for efficient and reliable control of air flow. These valves play a crucial role in regulating the flow, pressure and direction of waste gases, ensuring smooth operation and preventing potential hazards.

    Firstly, let us understand what exactly a damper butterfly valve is. It is a type of quarter-turn rotary valve that uses disc-shaped butterfly plates to control the flow through pipes or ducts. The unique design allows for excellent throttling capabilities and precise control over the fluid or gas passing through it.

    Now, coming to its application in the waste gas industry – these valves are primarily used for managing industrial exhaust systems. Waste gases generated from various processes such as incineration, chemical reactions or fuel combustion need to be safely channeled out to maintain air quality standards. This is where damper butterfly valves come into play.

    One major advantage of using these valves in this particular industry is their ability to handle high temperatures and corrosive gases. The materials used for constructing them can withstand extreme heat and harsh chemicals without compromising on performance or longevity.

    In addition, damper butterfly valves have a quick response time which makes them ideal for emergency shut-off situations in case of an unexpected surge in pressure build-up within the system. This feature ensures safety by preventing potential accidents like explosions or fires.

    Application of damper butterfly valve RTO

    The use of a damper butterfly valve in a Regenerative Thermal Oxidizer (RTO) system is crucial for its efficient and effective operation. RTOs are widely used in industrial processes to control air pollutants emitted from various manufacturing operations. These systems rely on the oxidation of pollutants at high temperatures to eliminate harmful emissions before releasing them into the atmosphere.

    A damper butterfly valve serves as a critical component in this process by regulating the flow of gas within the RTO system. Its main function is to control the amount of purified air entering or exiting different chambers of the oxidizer, ensuring optimal combustion and heat transfer efficiency.

    One significant advantage of using a damper butterfly valve in an RTO system is its ability to handle high-temperature gases without compromising performance. The design features an offset disc that rotates within a circular frame, providing precise control over gas flow even at extreme temperatures.

    Moreover, these valves have low-pressure drops, meaning that they require minimal energy input to achieve maximum airflow regulation. This feature makes them ideal for use in RTO systems as it reduces operational costs while maintaining consistent performance levels.