Views: 0 Author: J-VALVES Publish Time: 2020-05-09 Origin: Site
In the global industrial market, it is crucial for DBB BALL VALVES to obtain CE certification and API 6D certification if they want to enter both the European and North American markets simultaneously. So, what are the key points of the compliance design to meet these two certifications? The following will introduce them in detail.
The CE mark is a safety certification mark, representing that the product complies with the basic requirements of relevant EU directives in the European market, covering multiple aspects such as health, safety, and environmental protection. For DBB BALL VALVES, to obtain CE certification, the following aspects should be focused on in design:
1.Material Safety
Materials that meet the EU's environmental protection and safety requirements should be selected. For example, the use of certain hazardous substances should be restricted, and the content of heavy metals, for instance, needs to be controlled within the specified standards to ensure that the materials will not release substances harmful to humans and the environment during long-term contact with various media and in the usage environment.
2.Mechanical Safety Design
· The structural strength of the valve should be able to meet the expected operating conditions to prevent dangerous situations such as rupture during normal operation and possible pressure fluctuations, thus ensuring the safety of operators.
· For the operating parts of the valve, such as handles and gears, a reasonable range of operating forces should be designed to avoid problems such as difficult operation or easy misoperation due to too small an operating force. Meanwhile, it is necessary to ensure that the operating parts have no sharp edges and corners to prevent scratching the operators.
3.Electromagnetic Compatibility
In some DBB BALL VALVES with electronic control components, it should be ensured that the electromagnetic interference generated by them will not affect the normal operation of other surrounding equipment. At the same time, they should also have a certain anti-interference ability and be able to work stably in a complex electromagnetic environment.
The API 6D standard is mainly applied to valves in industries such as petroleum and natural gas, focusing on the performance and reliability of valves under harsh working conditions. When DBB BALL VALVES are designed according to this standard, the key points are as follows:
1.Corrosion Resistance
Considering that petroleum and natural gas media often contain corrosive components, the materials selected for key parts of the BALL VALVE, such as the valve body, valve seat, and valve core, should have good corrosion resistance. For example, appropriate alloy steels can be used or special anti-corrosion coating treatments can be carried out to extend the service life of the valve.
2.Sealing Performance
The double block and bleed functions of DBB BALL VALVES HAVE extremely high requirements for sealing. A tight fit between the valve seat and the ball should be ensured. Whether under normal temperature or in working conditions with high and low temperature changes, the medium leakage should be effectively prevented to meet the strict leakage level standards.
3.Size and Pressure Rating Specifications
The overall dimensions, connection dimensions, etc. of the ball valve should be designed strictly in accordance with the size standards stipulated by API 6D. Meanwhile, an appropriate pressure rating should be determined according to the corresponding class ratings (such as Class 150, 300, etc.) to ensure that it can be adapted to different pressure environments in petroleum and natural gas pipeline systems.
Comparison Items | Design Key Points for CE Certification | Design Key Points for API 6D Certification |
Material Aspect | Focus on environmental protection, restriction of hazardous substances, and ensuring the safety of use. | Emphasize corrosion resistance performance to adapt to working conditions with corrosive media. |
Safety Perspective | Cover mechanical safety and electromagnetic compatibility to ensure the overall safety of use. | Focus on the structural strength of the valve, etc. to ensure reliable operation under harsh working conditions. |
Performance Emphasis | Ensure safe and compliant use in the European market from multiple dimensions. | Focus on performance aspects such as sealing and pressure in the petroleum and natural gas industries. |
Testing Requirements | Conduct tests on materials, machinery, and other aspects according to relevant EU directives. | Carry out special tests on performance, sealing, and other aspects in accordance with the API 6D standard. |
For enterprises that want to develop both the European and North American markets simultaneously, when designing DBB BALL VALVES:
· In terms of material selection, materials that meet both the EU's environmental protection requirements and have good corrosion resistance should be chosen, such as some improved stainless steel materials.
· In terms of structural design, the overall strength of the valve should be strengthened, the design of the operating parts should be optimized to meet the mechanical safety requirements, and the sealing structure should be carefully designed to enable it to meet the sealing standards of API 6D.
· In the testing process, it is necessary to conduct all tests in accordance with the corresponding requirements of CE and API 6D to ensure that the product can obtain dual certifications smoothly and enter the corresponding markets in compliance.
The design of CE/API 6D dual-certified DBB BALL VALVES needs to take into account key points in multiple aspects. Only by accurately grasping these key points can the product gain a firm foothold in the European and North American markets, meet the compliance requirements of different regions, and provide a powerful guarantee for enterprises to expand their international business.
