Views: 0 Author: J-VALVES Publish Time: 2024-11-21 Origin: Site
EN 12266 is a European standard that specifies the pressure tests, test procedures, and acceptance criteria for industrial valves made from metallic materials, including ball valves. The standard aims to ensure the reliability and safety of these valves in various industrial applications.
• Test Medium: EN 12266 typically uses water or air as the test medium, depending on the specific requirements of the test.
• Test Pressure: The test pressure is usually set at 1.1 times the maximum allowable working pressure (MAWP) at room temperature.
• Acceptance Criteria: No visible leakage is permitted during the test. For gas tests, no continuous bubble formation is allowed.
• Consistency: EN 12266 ensures consistent testing methods across different manufacturers, promoting compatibility and reliability.
• Material Considerations: The standard is designed for metallic materials, ensuring that the testing methods are suitable for these materials.
GB/T 13927 is a Chinese national standard that specifies the pressure test methods and requirements for industrial valves, including gate valves. The standard aims to ensure the reliability and safety of these valves in various industrial applications.
• Test Medium: GB/T 13927 typically uses water or air as the test medium, similar to EN 12266.
• Test Pressure: The test pressure is usually set at 1.1 times the maximum allowable working pressure (MAWP) at room temperature.
• Comprehensive Testing: GB/T 13927 provides comprehensive testing requirements, including shell testing, seat testing, and sealing performance.
• Material Considerations: The standard covers a wide range of materials, including carbon steel, stainless steel, and alloy steel, ensuring suitability for various industrial applications.
Comparative Analysis
Key Differences
| Feature | EN 12266 Ball Valves | GB/T 13927 Gate Valves |
| Standard | European Standard for Metallic Valves | Chinese National Standard for Industrial Valves |
| Test Medium | Water or Air | Water or Air |
| Test Pressure | 1.1 times MAWP at room temperature | 1.1 times MAWP at room temperature |
| Test Duration | Varies by nominal size (DN) | Varies by nominal size (DN) |
| Acceptance Criteria | No visible leakage, no continuous bubble formation | No visible leakage, no continuous bubble formation |
| Material Considerations | Metallic materials | Wide range of materials (carbon steel, stainless steel, alloy steel) |
| Applications | Industrial applications involving metallic valves | Various industrial applications |
