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Válvulas Nacional Product line

Our valves are made in carbon steel, stainless steel and special alloys from 1/2" to 12".

Valve which automatically, without the assistance of any energy other than that the fluid concerned, discharges a quantity of the fluid so as to prevent a predetermined safe pressure being exceeded and which is designed to re-close and prevent further flow of fluid after normal pressure conditions of service have been restored.


Valvulas Nacional manufactures the following safety valves models: