Our valves are made in carbon steel, stainless steel and special alloys from 1/2" to 8".

Valve which automatically, without the assistance of any energy other than that of 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.

Válvulas Nacional manufactures the following safety valves models: