Is a pressure gauge a safety accessory for special equipment or a measuring instrument?
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Is the pressure gauge on special equipment a safety accessory of special equipment or a measuring instrument? Date of message: 2023-04-03 Is the pressure gauge on special equipment (such as boilers and pressure vessels) a safety accessory (it is not clear in the special equipment catalog and relevant safety technical specifications that pressure gauges are safety accessories). Can Article 83 of the "Special Equipment Safety Law" be applied? The General Administration responded to similar questions in 2019 and 2020, but the content of the responses was inconsistent. Reply on March 13, 2019 “Pressure gauges are not safety accessories. Pressure gauges, etc. that need to be inspected must be appraised by the metrology department in accordance with the requirements of metrology laws and regulations. ”Reply on July 6, 2020 “The contents listed in the Special Equipment Catalog belong to special equipment. The pressure gauge does not belong to special equipment, but it is a safety accessory of special equipment, and Article 83 of the "Special Equipment Safety Law" applies. ” Please clarify this from the General Administration. reply: The scope of safety accessories has been clarified in the "Special Equipment Catalog". Pressure gauges used on special equipment do not belong to safety accessories. Pressure gauges that require compulsory measurement inspection shall be verified by the measurement department in accordance with the requirements of measurement laws and regulations. Reply to department: Special Equipment Safety Supervision Bureau
According to the reply from the Special Equipment Safety Supervision Bureau, the pressure gauge used on special equipment is a measuring instrument and is not a safety accessory of special equipment. Therefore, when dealing with relevant issues, it should be verified by the metrology department in accordance with the requirements of metrology laws and regulations. .
Pressure gauges were previously classified as safety accessories, but were later listed separately as instruments.
The 09 version of the regulations lists pressure gauges, liquid level gauges, etc. as safety accessories, and the 16th version of the regulations lists pressure gauges and liquid level gauges as instruments.