FIELD: safety valves.
SUBSTANCE: valve has straight-flow housing. The housing is provided with seat, guiding bushing, and closure member mounted for sliding along the bushing. The closure member is spring-loaded with respect to the bushing toward the seat. The closure member is provided with a unit for keeping it in open position. The device has thermosensitive member arranged along the axis of the housing. The unit is made of at least two rods. The rods pass through the diametrically opposite openings. The openings are made in the guiding bushing . The closure member is hollow and fitted on the guiding bushing for permitting locking the rods in the initial position.
EFFECT: reduced cost and simplified assembling.
2 cl, 2 dwg
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