About Metal Seated Ball Valves
is best suited for critical applications, high temperatures, corrosion or abrasion, slurry, etc. Metal Seated Ball Valves are Engineered to outshine in the most demanding industrial perspectives, where valve insufficiencies can jeopardize safety and plant productivity and reduce profitability; FlowBiz Metal Seated Ball Valves stand out.
Size Range: 1/2 inch to 4 inches (15mm to 100mm)
End Connection: Screwed End / Flanged End
Standard:
Design And Manufacturing: BS EN ISO 17292
Valve Face To Face Dimension: ASME B 16.10
Flange Standard Conformity: ASME B 16.5 Class 150,
Inspection & Testing: API 598 / FCI - 702 / BS EN 12266 - 1
Exceptional Durability and Leakage IntegrityBoasting seats of tungsten carbide, cobalt alloy, or chromium carbide, our ball valves deliver exceptional hardness and resistance to wear. The ANSI Class VI / zero leakage rating and API 607 fire-safe certification ensure leak-tight performance even under extreme temperature and pressure. Each valve is tested in accordance with API 598, ISO 5208, and EN 12266-1, guaranteeing reliable sealing and operational safety.
Flexible Design and Broad Application RangeAvailable in floating and trunnion-mounted structures, with port sizes from 1/2 inch to 24 inches, our valves support full bore and reduced bore configurations. The versatile connection options-flanged, butt weld, socket weld, and threaded-ensure compatibility with a wide array of piping systems and standards (ANSI, DIN, JIS). These features make them suitable for use in petrochemical, refinery, power plants, and water or gas processing.
Advanced Protection and Easy OperationWith high corrosion resistance, blowout-proof stems, and anti-static devices, these valves deliver superior safety and longevity. Surface protection by electroless nickel plating or epoxy coating further extends service life. ISO 5211 mounting pads allow for easy actuation-whether manual, pneumatic, or electric-enabling tailored process control in demanding settings.
FAQ's of Metal Seated Ball Valves:
Q: How do metal seated ball valves achieve zero leakage (ANSI Class VI)?
A: These valves feature precision-engineered seats made from tungsten carbide, cobalt alloy, or chromium carbide, providing a hard and resilient sealing surface. Advanced machining and lapping techniques, coupled with stringent testing to ANSI Class VI, API 598, and ISO 5208 standards, ensure no measurable leakage even at high pressures and a wide temperature range.
Q: What are the primary benefits of a fire-safe design according to API 607 certification?
A: API 607 fire-safe certification ensures that the valve can maintain integrity and mitigate leakage during and after exposure to fire. This feature is crucial in industries where safety and environmental protection are paramount, such as petrochemical and gas processing sectors.
Q: When should I choose a split body, top entry, or end entry design for my application?
A: Choose split body designs for easy maintenance and inspection, top entry designs for in-line repair without valve removal, and end entry for compact installations where space is limited. Selection depends on your operational and maintenance needs, system configuration, and accessibility requirements.
Q: Where can these ball valves be used, considering their corrosion resistance and certifications?
A: Due to their high corrosion resistance and compliance with international standards, these valves are highly suitable for petrochemical plants, refineries, power generation facilities, water treatment plants, and gas processing, especially in harsh or corrosive environments.
Q: What types of automation and operation are available for these ball valves?
A: Our ball valves are designed for flexible operation. They can be manually actuated or equipped with pneumatic or electric actuators, thanks to the ISO 5211 mounting pad. This allows integration into automated control systems as well as manual process control.
Q: How is corrosion resistance achieved in these valves?
A: Corrosion resistance is provided by selecting robust materials like stainless steel and alloy steels, combined with specialized surface protection (electroless nickel plating or epoxy coating). This dual approach defends against chemical, water, and atmospheric corrosion, extending the valve's service life.