These valves are used to regulate the parameters of the working medium by changing the cross-sectional area of the devices by changing the position of the regulating body. They are used as pipeline valves to regulate the flow of liquid or gaseous working medium, including combustible and flammable, through the process pipelines of field and oil and gas gathering points, oil and gas processing plants, underground gas storage facilities, linear part of the main gas pipelines, technological pipework of compressor, booster, gas distribution, gas metering stations at operating pressure ??
not more than 105 MPa (1050 kgf/cm2) and temperature not more than plus 120 ° C (briefly plus 180 ° C), as well as a control valve in the technological systems of surface facilities on the sea shelf, including offshore floating oil and gas production complexes (FPC), floating drilling rigs (FDR) and offshore fixed platforms (OSP).
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