The valve is designed to shut off the flow of working medium in technological processes of production, processing, transportation and storage of natural gas, oil, liquid and gaseous petroleum products, water-gas-oil mixtures, associated petroleum gas, as well as other media, in relation to which the materials of valve parts are corrosion-resistant. The valve is designed for operation in cold macroclimatic region. Inter-repair service and scheduled technical inspections are carried out in terms established by the schedule depending on the mode of operation of the system (unit), but at least twice a year.
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