Mexico published standards for Pressure relief valves (safety, safety-relief and relief) operated by spring and pilot; made of steel and bronze Pressure relief valves are devices that must meet a high degree of safety requirements, so that they are considered products of high reliability. This is obtained when the technical guidelines that apply in their selection, design, materials and manufacturing are met. The importance of safety in this product results in a reliable operation in the system that protects, resulting in continuity of productivity, protection of facilities, safety of human lives and environmental conservation. These equipments constitute the last safety device, which act in an emergency situation to prevent an overpressure from causing a catastrophe. It is applicable to the different steel and / or bronze pressure relief valves that are manufactured and / or marketed in the United Mexican States, whether national or imported. This Draft Official Mexican Standard establishes the minimum safety requirements, test methods and conformity assessment that pressure relief valves must meet. Products covered: Pressure relief valves HS Codes: 848110 Proposed date of adoption: To be determined Proposed date of entry into force: To be determined Final date for comments: 1 February 2020 | 
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