Automatic Check Valves DN150-1400 mm for Preventing Backflow in Pipelines

The check valves with axial movement of the shut-off device are designed for automatic prevention of reverse flow of the working medium. They are used in pipeline piping of compressor stations in order to protect equipment from the impact of reverse gas flow during emergency stops of gas pumping units, as well as to prevent gas leakage during pipeline depressurisation. They operate only under the influence of the working medium. Working medium - natural gas with temperature from -60 to +180°C. Manufactured according to the customer's specifications.