Steel check valves are designed to prevent reverse flow of working medium in technological lines of production, processing, transportation and storage of oil, liquid and gaseous oil products, water-gas-oil mixtures, oil associated and natural gas, as well as other media, in relation to which the material of valve parts is corrosion-resistant.
It has a simple but reliable design, easy to maintain, operable in a wide range of temperatures, high tightness of the gate (class A).
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