Parker Refrigeration Specialties 111625 Safety Relief Valve 300 PSI 1/2" X 3/4" CSR1

Parker Refrigeration Specialties 111625 Safety Relief Valve CSR1 controls excess pressure by releasing refrigerant when it exceeds the set limit of 300 PSI, protecting system components from overpressure conditions. It works based on pressure accumulation, and it aids in secure in the HVAC systems like refrigeration and compressor packages where pressure control is vital. It has 1/2 inch by 3/4 inch connections, a spring-loaded mechanism that opens when the set pressure is reached and closes after normalization, providing controlled discharge.