FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to gas pressure regulators. The gas pressure regulator contains the central housing with the first pipe for gas suction and the second pipe for gas discharge. The gate is installed in the central housing with a possibility of movement for adjustment of opening of cross section for gas passing between the position in which this section is completely opened, and the position in which this section is closed. The silencing device is located in the central housing in the named through passage section for reduction noise from gas passing. Also the pressure regulator contains the fastener for fixing of the silencing device to the central housing. The silencing device contains the cylindrical punched plate for gas passing. The method of improvement of characteristics of the gas pressure regulator is also described.
EFFECT: group of inventions is aimed at reduction of dimensions, weight and cost of fabrication of the silencing device of the pressure regulator.
14 cl, 10 dwg
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