The present technical specifications apply to axisymmetric control valves designed for operation as control, shut-off and regulating, anti-pumping devices on pipelines of process lines, process pipework of compressor stations, booster stations, UGS and gas pipelines, on sections of gas pipelines from areas of production, production and storage, main oil pipelines and oil product pipelines, in the technological schemes of pumping stations and tank farms in areas with seismicity up to 10 points inclusive on a scale of MSK-64, and ensure their safe operation.
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