The Apollo Conbraco Industries 1/2" Relief Valve (Model 523SER) is designed for UV liquid applications, featuring a pressure rating of 140 PSI. Made from durable brass, this valve includes a stainless steel packing lever for enhanced performance. It meets industry safety standards, making it suitable for various applications, including HVAC and industrial systems. The compact design allows for easy installation, ensuring reliable operation in demanding environments. This valve is essential for maintaining system pressure and preventing overpressure.