About A217 WC9 Cast Alloy Steel Ball Valve
A217 WC9 Cast Alloy Steel Ball Valve
Size | 2" to 56" (50 mm to 1400 mm) |
ASME Class | Class 150 to 2500 |
Design Standard | API 6D |
Main Feature
· Trunnion-mounted Ball Valve design complies to API 6D
· Wide portfolio of Side-entry and Top-entry designs
· Fugitive emissions
· Soft and Metal seated valves complies to ISO 15848-1, Class AH and BH
· Fire safe design - to API 607 and API 6FACE Marking
· Meets requirements of Pressure Equipment Directive 2014/68/EU,
· Pneumatic shell test conducted at 1.1 times rated pressure to check shell integrity, when required · Double block and bleed (DBB) feature
· Valves are designed and tested for automatic cavity relief
· Anti-blowout stem design
· Coil springs used for consistent seat loading and lower operating torque
· Lip seals provided for low temperature services
· Primary O ring and Secondary graphite (in 3 stage stem, thrust washer is primary)
· Wide portfolio of Side-entry and Top-entry designs
· Options: Buried service, Cryogenic
· Offered with Electric, Pneumatic and Hydraulic Actuators
· In-house Tests Capabilities
Engineered for Stringent Industrial StandardsThis ball valve is designed and manufactured in line with API 6D and ASME B16.34, ensuring safety, reliability, and compliance in critical sectors such as petrochemical and power plants. The fire-safe and blow-out proof stem construction, alongside an antistatic device, deliver enhanced operational safety.
Rugged Construction and Versatile Media HandlingConstructed from A217 WC9 cast alloy steel with options for stellite or 13Cr trim and PTFE or metal seats, this valve offers exceptional corrosion resistance and durability. It handles a diverse range of fluids, including aggressive chemicals, gases, and steam, making it suitable for tough industrial environments.
Flexible Mounting, Sizing, and Connection OptionsWith flexibility in port sizes (224 inches), bore types (standard/full), and mounting structures (floating/trunnion), this ball valve accommodates various installation requirements. Connection types include flanged, butt weld, and socket weld, compatible with ANSI, DIN, and JIS standardsfacilitating global use.
FAQs of A217 WC9 Cast Alloy Steel Ball Valve:
Q: How does the A217 WC9 Cast Alloy Steel Ball Valve ensure zero leakage?
A: This valve is tested to ISO 5208 Rate A, which certifies zero leakage standard. Advanced seat options (metal or PTFE) and precision engineeringadhering to API 598 testing protocolsguarantee reliable sealing, even under high pressure and temperature conditions.
Q: What types of media can the A217 WC9 valve safely control?
A: It is designed to handle a broad spectrum of media, including water, oil, gas, steam, acids, and alkalis, thanks to its high corrosion resistance and robust sealing materials. This versatility makes it ideal for multiple industries and harsh environments.
Q: When should a floating vs. trunnion-mounted structure be selected?
A: Floating ball valves are typically used for lower pressure and smaller sizes, providing safe shutoff. Trunnion-mounted ball valves, on the other hand, are intended for higher pressures and larger bore sizes, offering greater stability and reduced operating torque.
Q: Where can this ball valve be installed in an industrial process?
A: With its wide range of port sizes, connection eligibility (flanged, butt weld, socket weld), and international standards compatibility (ANSI, DIN, JIS), the valve can be installed in pipelines of refineries, petrochemical plants, power plants, and oil & gas installations.
Q: What is the typical process for selecting the correct ball valve configuration?
A: Start by assessing media type, operating pressure, temperature range, connection requirements, and preferred mode of operation (manual, pneumatic, electric). From there, select the appropriate seat, trim, stem, and mounting structure to fit your operational and environmental conditions.
Q: How does the fire-safe design benefit operational safety?
A: The fire-safe design ensures the valve retains its seal integrity in the event of a fire, preventing hazardous leaks. Additional safety features, such as the antistatic device and blow-out proof stem, provide further protection against operational hazards.