Views: 0 Author: J-VALVES Publish Time: 2024-09-19 Origin: Site
ASME B16.10 is an American standard that specifies the face-to-face and end-to-end dimensions of valves, including ball valves. This standard ensures consistency and compatibility in valve design, making it easier to integrate valves into various pipeline systems.
• Definition: ASME B16.10 defines the structural length as the distance between the two ends of the valve, measured from the face of the flange or the end of the threaded connection.
• Measurement: The structural length is measured from the face of the flange or the end of the threaded connection to the opposite face or end.
• Tolerance: The standard specifies tolerances for structural lengths to ensure compatibility and interchangeability. These tolerances are categorized into two levels: Class A (general industrial applications) and Class B (high-precision applications).
GB/T 12221 is a Chinese national standard that specifies the structural lengths of gate valves. This standard is designed to ensure consistency and reliability in valve design and application within China.
• Definition: GB/T 12221 defines the structural length as the distance between the two ends of the valve, measured from the face of the flange or the end of the threaded connection.
• Measurement: The structural length is measured similarly to ASME B16.10, from the face of the flange or the end of the threaded connection to the opposite face or end.
• Tolerance: The standard specifies tolerances for structural lengths to ensure compatibility and interchangeability. These tolerances are designed to meet the specific needs of domestic industrial applications.
| Feature | ASME B16.10 Ball Valves | GB/T 12221 Gate Valves |
| Standard | ASME B16.10 | GB/T 12221 |
| Measurement | Face-to-face or end-to-end dimensions | Face-to-face or end-to-end dimensions |
| Tolerance | Class A (general industrial applications) and Class B (high-precision applications) | Specific tolerances for domestic industrial applications |
| Consistency | Ensures consistent structural lengths across different manufacturers | Ensures consistent structural lengths across different manufacturers |
| Compatibility | Promotes compatibility with other pipeline components | Promotes compatibility with other pipeline components |
| Applications | Oil and gas, chemical processing, water treatment | Water treatment, chemical processing, oil and gas |
