The present technical specifications apply to axisymmetric control valves used in oil and gas production;
on valves intended for use as regulating devices used in oil and gas production, and establishes the basic technical characteristics, requirements for dimensional and functional interchangeability, requirements for design, materials, testing and inspection, welding, labelling, handling operations, storage, acquisition, repair and upgrading;
on valves regulating as an integral part (element) of field and process pipeline communications involved in ensuring the technological process of pumping produced reservoir fluid, gas (condensate) transportation systems, as well as pipelines of the reservoir pressure maintenance system.
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