FAQ

What makes a high performance butterfly valve different from a standard one?

High performance butterfly valves feature advanced designs such as double offset or triple offset mechanisms, providing superior sealing, reduced friction, and durability under high pressure and temperature. This makes them ideal for demanding industrial applications.

Which materials are used to construct high performance butterfly valves?

These valves are crafted using robust materials such as ductile iron, WCB, and stainless steel for the body, with disc options in SS304, SS316, SS316L, and super duplex steel. PTFE or RPTFE seats ensure excellent chemical resistance and tight sealing.

What industries benefit most from using high performance butterfly valves?

High performance butterfly valves are widely used in industries like oil and gas, chemical processing, power generation, and water treatment, where extreme pressure, temperature, and corrosive mediums are typical.

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FAQ

What should be considered when selecting a butterfly valve with an actuator?

Key factors include the operating medium, system pressure, temperature requirements, valve size, and actuator type (ON-OFF or modulating). Ensuring compatibility with the body, disc, and seat materials is crucial for optimum performance.

How should I install a butterfly valve with an actuator?

Begin by aligning the valve between the flanges, ensuring the disc does not interfere with the pipe. Secure bolts diagonally to prevent

misalignment. Once installed, connect the actuator, ensuring the power source or signal wiring is properly configured. Test operation before system integration.

Are butterfly valves with actuators suitable for corrosive or high-temperature environments?

Yes, selecting the appropriate materials ensures compatibility with specific conditions. For example, stainless steel discs and PTFE seats can handle corrosive substances, while VITON seats are ideal for high-temperature applications.

What sizes and pressure ratings are available for butterfly valves with actuators?

These valves are available in sizes ranging from 2” to 60” (DN50 to DN1500) and can handle pressure ranges up to PN16, 150lb, and beyond, making them versatile for both low- and high-pressure systems.

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FAQ

How do I properly install an electric actuated butterfly valve?

Ensure that the installation area is clean and accessible. Position the valve between the flanges correctly, aligning the disc and actuator for optimal functionality. Secure all bolts evenly and test the actuator’s operation to confirm proper alignment before integrating it into the flow system.

Are electric actuated butterfly valves compatible with all types of mediums?

Yes, these valves are compatible with a wide range of mediums, including gas, water, and oil. By selecting the appropriate disc, seat, and body materials, they can also handle corrosive or high-temperature substances.

What types of electric actuators are available for these butterfly valves?

Electric actuators are available in on/off, modulating, and failsafe options. On/off actuators control simple open/close functions, modulating actuators regulate flow levels precisely, and failsafe actuators include power backup mechanisms to maintain operation during power loss.

What pressure and size specifications are available for these valves?

Electric actuated butterfly valves are offered in sizes ranging from 2” to 60” (DN50 to DN1500) and accommodate pressure ratings like PN10, PN16, 5k, 10k, and 150lb, ensuring suitability for a broad spectrum of applications.

What are the seating material options, and why do they matter?

Seating materials like NBR, EPDM, VITON, and PTFE are available, each suited to specific operating conditions. For example, EPDM is ideal for water applications, PTFE offers chemical resistance, and VITON supports high-temperature environments. Selecting the correct material ensures optimal performance and longevity.

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FAQ

What body materials are used in motorized butterfly valve?

These valves come with body options such as ductile iron, WCB, and stainless steel. These materials ensure a robust structure, corrosion resistance, and compatibility with demanding environments.

What are the available connection options for motorized butterfly valve?

Motorized butterfly valves are available in wafer, lug, and flanged connections. Choose the connection type that aligns with your pipeline’s specifications to ensure proper sealing and ease of installation.

What disc and seat materials are offered for motorized butterfly valves?

Disc options include SS304, SS316, SS316L, and super duplex steel, while seats are made of materials like NBR, EPDM, VITON, or PTFE. These combinations allow the valve to handle varying mediums and temperatures effectively.

What size and pressure ranges do motorized butterfly valves cover?

These valves are available in sizes ranging from 2” to 60” (DN50-DN1500) and can handle pressures up to PN10, PN16, 5k, 10k, and 150lb, making them versatile for both low- and high-pressure systems.

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FAQ

Are electric butterfly valves compatible with different mediums?

Yes, electric butterfly valves are compatible with an array of mediums, including gas, water, and oil. Ensure that the seat material (e.g., PTFE or RPTFE) and valve construction match the specific medium to prevent corrosion or wear.

What types of electric actuators are available for butterfly valves?

Electric actuators are available in ON-OFF types for simple open/close functions and regulation types (4-20mA) for precise control. Depending on your system requirements, actuators can be powered with AC220V or 380V to suit varying industrial setups.

Can electric butterfly valves handle high-pressure systems?

Yes, these valves are designed to perform in a range of pressure settings, including PN10, PN16, 5k, 10k, and 150lb. It’s essential to select a valve with the appropriate pressure rating for your application to ensure safety and optimal performance.

Can electric butterfly valves be used for flow regulation?

Yes, when equipped with a regulation-type electric actuator (4-20mA), the valve can control flow rates with precision. This makes it suitable for applications requiring accurate adjustments, such as chemical dosing or water management.

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FAQ

What are the benefits of using high performance butterfly valves?

High performance butterfly valves are engineered to handle high-pressure and high-temperature environments with precision. They deliver optimal sealing, reduced operational torque, and exceptional durability, making them ideal for critical industrial applications like power generation, oil and gas, and chemical processing.

How does a triple eccentric butterfly valve differ from a double offset design?

The triple eccentric butterfly valve incorporates an additional offset, ensuring the disc contact with the seat occurs only at the final shut-off, minimizing wear and enhancing sealing performance. Double offset designs have two offsets from the stem axis, reducing friction during operation but are less specialized than triple eccentric valves for demanding applications.

Which materials are compatible with high performance butterfly valves?

High performance butterfly valves are available with disc materials such as SS304, SS316, SS316L, and super duplex steel, offering excellent corrosion resistance. Seat materials include PTFE and RPTFE, designed for chemical resilience and high-temperature applications. These materials ensure reliability across a broad range of industrial environments.

Are high performance butterfly valves suitable for bidirectional flow?

Yes, most high performance butterfly valves are designed for bidirectional flow, provided that pressure ratings and flow conditions meet the valve’s specifications. Triple eccentric designs, in particular, ensure reliable sealing and operation in either flow direction.

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FAQ

What are the primary advantages of flanged butterfly valves?

Flanged butterfly valves provide a secure and robust connection to piping systems, ensuring reliable sealing even under high-pressure conditions. They offer ease of installation, simple alignment, and enhanced durability in demanding environments.

How do flanged butterfly valves differ from other connection types?

Unlike wafer and lug styles, flanged butterfly valves feature integrated flanges that bolt directly to the pipeline flanges. This creates a more rigid connection and minimizes the risk of leakage, making them ideal for critical applications.

What materials are commonly used for flanged butterfly valves?

Flanged butterfly valves often include disc options in SS304, SS316, SS316L, or super duplex steel for excellent corrosion resistance. Seat materials such as NBR, EPDM, and VITON are utilized to cater to various temperature and chemical compatibility requirements.

What sizes and pressure ratings are available for flanged butterfly valves?

Flanged butterfly valves are available in sizes ranging from DN50 to DN1500 (2” to 60”) with pressure ratings typically including PN10, PN16, 150lb, and more. These options provide versatility for handling a wide range of system demands.

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FAQ

What are the key benefits of using a lug butterfly valve?

Lug butterfly valves provide a secure connection that allows for the removal of downstream piping without disrupting the system. They are ideal for high-pressure applications and environments where reliability and easy maintenance are crucial.

How does a lug butterfly valve differ from a wafer butterfly valve?

A lug butterfly valve has threaded inserts that allow it to connect securely to flanged piping, offering greater support and easy isolation of the system. Wafer styles, on the other hand, are held in place by bolts passing through the valve body, making them lighter but less robust for certain applications.

What are the standard sizes and pressure ratings for lug butterfly valves?

Lug butterfly valves are commonly available in sizes ranging from 2” to 60” (DN50–DN1500), with pressure ratings of PN10, PN16, 5k, 10k, and 150lb. These specifications make them versatile for various industrial systems.

What materials are used in the construction of lug butterfly valves?

The disc is typically made of SS304, SS316, SS316L, or super duplex steel for excellent resistance to corrosion and wear. Seats are available in materials like NBR, EPDM, and VITON to accommodate different temperature and chemical resistance requirements.

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FAQ

Which applications are best suited for air actuated butterfly valve?

These valves are ideal for applications in industries such as food processing, chemical manufacturing, water treatment, and gas distribution. They are well-suited for systems requiring frequent flow adjustments or automation.

What materials are commonly used in air actuated butterfly valve?

The disc materials often include SS304, SS316, SS316L, and super duplex steel, which provide high durability and corrosion resistance. Seat materials like NBR, EPDM, and VITON offer excellent sealing properties for a range of operating conditions.

What types of connections are available for air actuated butterfly valve?

Common connection types include wafer, lug, and flanged connections. Wafer is ideal for lightweight applications, lug offers enhanced support for dismantling downstream piping, and flanged provides a secure fit for high-pressure systems.

What factors should be considered when selecting an air actuated butterfly valve?

Key considerations include media type, operating pressure and temperature, connection requirements, material compatibility, and the level of automation needed for the application. Proper evaluation ensures efficient performance and durability.

Are air actuated butterfly valve suitable for high-temperature conditions?

Valve performance in high-temperature environments depends on material selection. Disc materials like SS316L and super duplex steel, paired with temperature-resistant seats like VITON, are ideal for challenging thermal conditions.

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FAQ

What materials are compatible with pneumatic butterfly valves?

Pneumatic butterfly valves are available in various materials such as ductile iron, WCB, stainless steel, and super duplex steel. Depending on the application, disc options like SS304, SS316, and SS316L provide excellent resistance to corrosion and wear.

What industries typically use pneumatic butterfly valves?

These valves are widely used in industries like water treatment, chemical processing, oil and gas, HVAC systems, and power generation. Their adaptability makes them ideal for controlling the flow of liquids, gases, and semi-solids in demanding conditions.

How can I select the right pneumatic butterfly valve for my application?

To choose the right valve, consider factors like pressure and temperature ratings, fluid compatibility, application environment, and material specifications. It’s essential to determine whether a wafer-style or lug-style valve suits your system

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