FIELD: machine engineering.
SUBSTANCE: known switchgear is equipped with a pneumatic distributor installed on the cover, in the body of which there are two spools pinched by power springs and through the liners interacting with the pusher, contacting the stop fixed to one end of the rod, and at the other end of the rod is fixed the support-guiding sleeve interacting with the housing of the switchgear on the side of the channel for the input of the working medium.
EFFECT: protection of the first circuit of nuclear power plants from the increase in the pressure of the working medium above the permissible level, the increase in the reliability of the reactor installation.
7 cl, 3 dwg
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