PRESSURE REGULATOR Russian patent published in 1997 - IPC

FIELD: automatics. SUBSTANCE: pressure regulator has housing 1, inlet branch pipe 2 and outlet branch pipe 3 with spaces 4 and 5, respectively, flexible clutch 6 secured between housing 1 and flanges of branch pipes 2 and 3, and control space 7 interposed between flexible clutch 6 and housing. The flanges are tightened by means of screw 8 to define inner chamber 13. Pilot 9 is connected with receivers 10 and 11 of static input and output pressure through pulse pipes 17 and 18 and with control space 7 through pulse pipe 12. The flange of branch pipe 2 is provided with receivers of total pressure which are in communication with inner chamber 13. Pressure drop meter 14 is connected with inner chamber 13 and receiver 10 of input static pressure through pulse pipes 15 and 16. EFFECT: enhanced reliability. 1 dwg