GB/T 12234-2019
ActiveBolted bonnet steel gate valves for petroleum and natural gas industries
石油、天然气工业用螺柱连接阀盖的钢制闸阀
Application Summary AI generated
This standard specifies the design, materials, pressure-temperature ratings, testing, and marking requirements for bolted bonnet steel gate valves used in the petroleum and natural gas industries. It is applied to valves in upstream exploration, midstream pipeline transmission, and downstream refining processes, ensuring reliable shut-off and flow control under high-pressure and high-temperature conditions. The standard is critical for procurement, quality inspection, and safety compliance in oil and gas fluid systems.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.