Direct-acting safety valves are designed to protect equipment from exceeding the pressure of the working medium above the permissible value.
Closing of valves occurs when the vapour pressure in the protected object decreases to a certain value of working pressure.
Connection to the pipeline: trunnion; flanged.
Designed for loads from the weight of the valve and reactive forces arising during its operation.
Installation position: vertically in the highest part of the protected object.
Climatic design: ?, ???, ??, ? according to GOST 15150-69.
Placement category: 2, 3 according to GOST 15150-69. .
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