FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to gas industry and can be used in natural gas transportation systems for gas pressure reduction at gas distribution stations. In the inventive pressure regulator with positive feedback each channel of "hot" gas turn contains a thermostat to maintain a preset temperature downstream of the regulator by changing the flow area of "hot" gas turning channels depending on the gas temperature value of the gas twist and turn device.
EFFECT: due to the invention the range of implementation of isothermal throttling process in temperature stabilizing pressure regulator is expanded, and zero gas flow mode is provided.
6 cl, 3 dwg
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Authors
Dates
2017-04-28—Published
2015-12-16—Filed