The Type 41-73 self-operated universal excess pressure regulator stands as a cornerstone in industrial pressure management, catering to a spectrum of applications with its standardized sizing ranging from 1/2" to 4". Engineered to excel across diverse industrial landscapes, this regulator seamlessly integrates into systems to uphold precise pressure control. At the heart of its functionality lies the excess pressure valve, a pivotal component tasked with the regulation of upstream pressure, to a meticulously adjusted set point. The essence of the excess pressure regulator valve is its innate ability to spring into action, initiating an opening sequence whenever the upstream pressure surpasses the predetermined threshold.