Trynox Sanitary Relief valve gasket kit available in some elastomeric options. It has a maximum operating pressure rating 140 (psi depending on the valve size) at 70 degrees F ambient temperature. Adjustable relief pressure Range 45 to 90 psi. It is suitable for use in the food, beverage, biotech, pharmaceutical, and other hygienic applications. When purchasing fittings, consider the application, as this will affect material type, shape, size, pressure drop and required durability.