The Apollo Conbraco Industries 2-inch relief valve (model 521SER) is crafted from bronze with stainless steel trim, rated for 65 PSI. This valve is specifically designed for ultraviolet liquid applications, ensuring reliable performance in demanding environments. Its durable construction and precise engineering make it suitable for various industrial and commercial systems, providing effective pressure regulation and safety. The valve's orientation and design facilitate easy integration into existing piping systems, making it a versatile choice for fluid control.