A pressure relief valve assembly comprising a valve housing within which is provided a primary pressure relief valve having a valve ball and a valve spring, the valve spring biasing the valve ball in a first direction into a valve seat to prevent the passage of fluid from a fluid line through the valve, and wherein the spring force is selected such that a fluid force above a predetermined set point acting against the ball in a second direction opposite the first direction causes the ball to move out of the valve seat against the spring force to allow fluid to flow from the fluid line through the valve seat and through the valve, and wherein a secondary valve is positioned relative to the primary valve to retain fluid around the valve spring of the primary valve at a fluid force below the predetermined set point.
PRESSURE RELIEF VALVE ASSEMBLY
DRUCKABLASSVENTILANORDNUNG
ENSEMBLE DE SOUPAPE DE DÉCHARGE DE PRESSION
2023-07-19
Patent
Electronic Resource
English
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