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ISO3834 International Welding System Certification

ISO3834 international welding system certification is aimed at the special process of welding, requiring enterprises to combine design, process, production, and quality assurance to form a mature sys

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EN15085 International Welding Certification for Rail Vehicle Components

EN15085 certification is a welding certification system mark for rail vehicles and vehicle components, which is widely used in the rail transit industry. The EU standard EN 15085, full name: Railway

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API 607, 6FA Valve Fire Resistance Test

API 607 and API 6FA are fire resistance tests for valves 6D and 6A. Generally, 6D valves that can only rotate 90 ° require API 607, while others require API 6FA. API stands for American Petroleum In

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ISO15848 Valve Low Leakage Certification

For various types of valve products, conventional water pressure and air pressure tests cannot determine, and more scientific methods and precision instruments are needed to detect small external lea

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API 622 Valve Packing Type Test for Anti Leakage Process

The leakage detection of API 622 valves mainly detects invisible trace leaks at the valve packing and valve body gasket. The gasket at the valve body is a static seal, which is prone to the standard

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Type testing of API 624 lifting rod valves with FE graphite packing

The API 624 standard specifies the acceptance criteria (100ppmv) for low leakage type testing of open stem and lift rotary stem valves with graphite packing. Previously, it was tested according to AP

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EN1090 certified steel structure

Key points of EN1090 certification: EN1090 belongs to the System2+category under the CPR regulations for building materials, mainly including factory production control, initial type testing, continu

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MID Metrology Certification

The Measuring Instruments Directive (MID) 2014/32/EC is a regulation used by the European Union to supervise and manage measuring instruments. Its directive specifies new method standards, conformity

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RoHS Hazardous Substance Certification

RoHS is a mandatory standard established by EU legislation, and its full name is the Restriction of Hazardous Substances directive. This standard has been officially implemented since July 1, 2006, m

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ISO9001 Quality Management System Certification

ISO9001 certification is used to demonstrate an organizations ability to provide products that meet customer requirements and applicable regulatory requirements, with the aim of enhancing customer sa

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