FIELD: machine building.
SUBSTANCE: mode of valve operation consists in transfer of shutting off element 4 along axis of seat 11 by means of flexible element 6. Flexible element 6 is controlled with thermo-sensitive element 7 responding to change of temperature of fluid medium enclosed into a casing (flexible element 6 and case 1). Flexible element 6 is preliminary deformed and shutting off element 4 is pressed to seat 11. Thermo-sensitive element 7 is influenced with a heat flow passing through the casing from medium.
EFFECT: increased reliability and expanded functionality of valve.
6 cl, 6 dwg
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