Spherical Disc Butterfly Valve - Metal Seated

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Spherical Disc Butterfly Valve - Metal Seated Specification

Connection
Wafer / Lug / Flanged

Valve Type
Spherical Disc Butterfly Valve (Metal Seated)

Material
High-grade Alloy Steel / Stainless Steel / Cast Iron

Power Source
Manual, Electric, Pneumatic

Pressure
Up to 25 bar

Media
Water, Air, Steam, Oil, Gas & Chemicals

Working Temperature
-10C to 450C

Port Size
2 to 48 (DN50 to DN1200)

Shape
Spherical Disc

Leakage Class
Class VI (Bubble tight shut-off)

Application
Industrial Process, Power Plant, Chemical, Water Treatment, Oil & Gas

Face to Face Std.
Compliant with API 609 / ISO 5752

Torque Requirement
Low operating torque due to special spherical profile

Stem Material
High strength stainless steel

Operation
Quarter turn, bi-directional flow capability

Seat Type
Metal seated for high temperature and abrasive media

End Connection Std.
EN, ANSI, DIN, JIS compatible

Maintenance
Easy inline serviceability

Body Coating
Epoxy / Polyurethane / Anti-corrosive coating

Disc Design
Precision-engineered spherical design for enhanced flow characteristics and sealing performance

About Spherical Disc Butterfly Valve - Metal Seated

Metal Seated Spherical Disc Butterfly Valve FlowBiz

Handle & Gear Operated metal-to-metal replaceable seat design spherical Disc Valve.

Size Range: 2 inches to 18 inches or 50mm to 450mm

Design and Manufacturing: API 609

Valve Face-to-Face Dimensions: API 609 Category B

Flange Standard Conformity: ASME / ANSI B 16.5 Class 150

Inspection & Testing: API 598

Leakage Class : ASME B16, 16.104 Leakage Class VI

Pressure / Temperature Rating:

Pressure Rating: PN 10

Operating Temperature: -50 C to 400 C

Unmatched Sealing and Flow Control

The spherical disc butterfly valve stands out with its bubble-tight Class VI shut-off, ensuring zero leakage even under extreme conditions. The spherical geometry optimizes flow and minimizes turbulence, providing outstanding reliability in both standard and demanding process environments.

Exceptional Durability for Tough Media

This valve's metal-seated construction allows operation with abrasive, high-temperature media such as steam, chemicals, and gases. High-grade alloy and stainless-steel materials, coupled with anti-corrosive body coatings, deliver long service life and resistance to corrosion.

Effortless Operation and Maintenance

Engineered for low operating torque, the valve's unique spherical profile enables easy manual, electric, or pneumatic actuation. Inline serviceability simplifies maintenance, reducing downtime and preserving process efficiency for busy industrial settings.

FAQ's of Spherical Disc Butterfly Valve - Metal Seated:

Q: How does the spherical disc design enhance flow and sealing in this butterfly valve?

A: The precision-engineered spherical disc creates smooth flow pathways and reduces turbulence, resulting in improved flow characteristics. Its design ensures consistent and reliable bubble-tight sealing (Class VI), even under challenging operating conditions.

Q: What sets the metal-seated valve apart for high temperature or abrasive applications?

A: The metal seat is highly resistant to wear, making it ideal for abrasive media such as slurries, chemicals, steam, and gases. It maintains sealing integrity at elevated temperatures up to 450C, where soft-seated valves may fail.

Q: When should I consider using this butterfly valve in my process system?

A: This valve is suitable for processes requiring dependable shut-off, resistance to corrosion, and robust performance at temperatures ranging from -10C to 450C. It's commonly used in industrial, power generation, chemical, water treatment, and oil & gas industries.

Q: Where can this valve be installed, and what connection standards are available?

A: The valve can be installed in diverse industrial environments and is compatible with EN, ANSI, DIN, and JIS end connection standards. Connection options include wafer, lug, and flanged types to suit various piping layouts.

Q: What is the procedure for inline servicing and maintenance of the valve?

A: Thanks to its accessible design, maintenance such as seat or seal replacement can be performed without removing the valve from the pipeline. This minimizes downtime and reduces overall maintenance workload.

Q: How does the valve benefit operators in terms of torque and actuation?

A: The special spherical profile reduces operating torque, making manual, electric, or pneumatic actuation smoother and more energy-efficient. This is particularly advantageous in large-diameter or high-pressure applications.

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