This article is about 04-SAMSS-051 which is about Ball Valves, API SPEC 6D and download 04-SAMSS-051 PDF for Mechanical, Electrical, Instrumentation, Telecom, Piping, Civil, Paints and Coatings, Process, Plumbing Engineers, supervisors and project managers, QCs, QC Supervisors.
This is material specification of saudi aramco standards of based on international codes and standards and useful for all types of industrial engineers who are working and wants to work in plants and refineries and big building projects as engineers, QC Supervisors and QC managers, Engineering managers and technicians.
04-SAMSS-051 PDF Download
04-SAMSS-051Ball Valves, API SPEC 6D
The 04-SAMSS-051 Specification is a comprehensive guideline that outlines the minimum requirements for specific types of ball valves used in the oil and gas industry. These ball valves are designed to handle various operational conditions and are crucial components in many critical applications.
- Soft-Seated, Steel Ball Valves: The specification focuses on soft-seated ball valves, which are equipped with resilient seats to ensure tight sealing and prevent leakage. These valves are constructed using high-quality steel materials to provide durability and long-term performance.
- Flanged and Butt-Weld End: The ball valves covered by this specification come with either flanged or butt-weld end connections. Flanged connections are suitable for easy installation and maintenance, while butt-weld end connections offer a strong and leak-resistant joint.
- Trunnion-Supported Design: These ball valves feature a trunnion-supported design, where the ball is supported by trunnions, allowing smooth rotation and reduced friction during operation. This design ensures reliable performance and minimizes wear and tear.
- Nominal Pipe Sizes (NPS) 2 Inches and Larger: The specification applies to ball valves with nominal pipe sizes starting from 2 inches and larger. This range allows for a wide variety of applications in different pipeline systems.
- ASME Classes 150 through 2500: The ball valves covered by 04-SAMSS-051 are designed to meet various pressure classes, ranging from ASME Class 150 to Class 2500. These pressure classes represent different pressure ratings, enabling the valves to handle a wide range of pressure requirements in the industry.
- Floating Ball Valves for Lower Pressure Applications: In addition to the trunnion-supported ball valves, the specification also includes floating ball valves, suitable for ASME Classes 150 and 300. These valves are designed for applications with lower pressure requirements.
- Suitable for Wet, Sour Hydrocarbon Services: The ball valves are specifically designed to operate in wet and sour liquid or gaseous hydrocarbon services. These services often involve harsh and corrosive environments, making it essential for the valves to have corrosion-resistant properties and reliable sealing mechanisms.
- Temperature Range: The valves can operate efficiently within a temperature range from -18°C to 120°C. For extremely low-temperature applications, from -45°C to -18°C, the 04-SAMSS-003 specification should be used, which is specifically designed to cater to such extreme conditions.
- Appendices for Special Services: The specification includes two appendices, Appendix A and Appendix B, to address additional requirements for specific service conditions. Appendix A covers the use of metal-seated valves for services within a temperature range of -18°C to 400°C, where tight sealing is not a primary requirement. On the other hand, Appendix B provides guidelines for the application of these valves in underwater service conditions, which may involve subsea operations or submerged environments.
Overall, the 04-SAMSS-051 Specification ensures that the ball valves used in the oil and gas industry meet high-quality standards and are suitable for a wide range of operational conditions, providing reliable and safe performance in critical applications.
FAQs about Ball Valves, API SPEC 6D
The 04-SAMSS-051 Specification outlines the minimum requirements for specific types of ball valves used in the oil and gas industry. It specifically focuses on soft-seated, steel, flanged and butt-weld end, trunnion-supported ball valves with nominal pipe sizes (NPS) 2 inches and larger. Additionally, it includes floating ball valves up to and including NPS 4 inches. These valves are designed to meet ASME Classes 150 through 2500, which represent different pressure ratings.
The ball valves covered by the 04-SAMSS-051 Specification are designed for use in wet, sour liquid or gaseous hydrocarbon services. They can handle a wide range of operating temperatures, making them suitable for applications with temperatures ranging from -18°C to 120°C.
Yes, the specification includes Appendices that address additional requirements for specific service conditions. Appendix A covers the use of metal-seated valves for services operating within a temperature range of -18°C to 400°C. This appendix is helpful when tight sealing is not a primary requirement. On the other hand, Appendix B provides guidelines for the application of these valves in underwater service conditions.
While the 04-SAMSS-051 Specification covers a wide temperature range, it does not address extremely low-temperature applications below -45°C. For such demanding low-temperature services, it is recommended to use the 04-SAMSS-003 specification, which is specifically designed to cater to such extreme conditions and ensure the valves’ reliability and performance.
The 04-SAMSS-051 Specification covers ball valves with nominal pipe sizes (NPS) 2 inches and larger, making them suitable for various pipeline and process applications. The pressure classes covered by this specification range from ASME Class 150 to Class 2500, catering to a broad spectrum of pressure requirements in the oil and gas industry. Additionally, the specification includes floating ball valves up to and including NPS 4 inches for ASME Classes 150 and 300, providing options for lower pressure applications.