FIELD: gas- turbine plants. SUBSTANCE: device comprises throttle 20 and spring-loaded slide valve 22 which has longitudinal slot 21 and is mounted inside a bushing. The slide valve is provided with groove 23 connected with a drain through longitudinal grooves 24 and with controlled space of the servo-piston of the batching cock of an afterburning controller through longitudinal slot 21 and supplying pipe line 25. Throttle 20 is mounted in passage 26 which connects pipe line 25 with the drain. Slide valve 22 is connected with one end of lever 27 The other end of the lever is mounted with a spaced relation 28 to rod 2 of servo-piston 1. EFFECT: enhanced reliability. 1 dwg
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