Flow meter certificate | Vortex flowmeter with pressure pipeline component license and special form testing report

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Do flow meters on pressure pipelines require a national market supervision and inspection certificate? Flow meters on pressure pipelines require a national market supervision and inspection certificate. Analysis and Explanation: According to Article E2.2.9 of TSG 07-2019 "License Rules for Production and Filling Units of Special Air Conditioning Equipment" and the Announcement of the State Administration for Market Regulation on Administrative Licensing of Special Equipment [2019 No. 3], starting from June 1, 2019, production units producing flow meters (housings) should obtain a production license for component combination devices. This means that flow meters used on production pressure pipelines need to comply with specific production license requirements in the country. Furthermore, TSG D7006-2020 "Supervision and Inspection Rules for Pressure Pipelines" came into effect on September 1, 2020. This rule specifies the supervision and inspection work during the manufacturing process of pressure pipeline components, including flow meters (casings). According to this rule, flow meters need to undergo manufacturing supervision and inspection during the production process. Specifically regarding the monitoring and inspection of flow meters, Article 1.3 of TSG D7006-2020 "Rules for Supervision and Inspection of Pressure Pipelines" states that pressure pipeline monitoring and inspection is carried out by the inspection agency responsible for monitoring and inspecting the construction process of pressure pipelines based on the self inspection of the inspected unit and the verification of compliance with basic safety requirements in accordance with the rules. This means that after the flowmeter is produced, the construction unit needs to conduct self inspection and report it to the supervision and inspection agency for supervision and inspection after passing the self inspection. Importantly, the rules also explicitly state that flow meters that should be inspected but have not undergone inspection or have failed inspection shall not be put into use. This indicates that flow meters must obtain qualified certification from regulatory agencies, namely the National Market Supervision and Inspection Certificate, in order to be allowed to be used on pressure pipelines. Summary: In summary, flow meters on pressure pipelines do indeed require a national market supervision and inspection certificate. This requirement is based on relevant regulations and standards of the State Administration for Market Regulation, aiming to ensure that the production quality and safety performance of flow meters comply with regulations, thereby ensuring the overall safety and reliability of pressure pipeline systems. Therefore, before installing and using flow meters on pressure pipelines, it is necessary to ensure that they have passed the national market supervision inspection and obtained the corresponding qualification certificate.

2. What is the diameter of the electromagnetic flowmeter that requires a TSG related certificate?

As of now, publicly available information shows that pipeline electromagnetic flowmeters with a nominal diameter of DN50 (including DN50) and above require a TSG related inspection certificate, and this requirement is not related to the process medium.

First, the scope of application is limited. The requirement for obtaining a Naidan certificate is only applicable to pipeline type electromagnetic flow meters wit

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