The Apollo Conbraco Industries VLV, REL, D ORI, 1/2", 521SER, BRZ is a reliable relief valve designed for pressure regulation in various systems. With a 1/2" size and constructed from durable bronze, it is built to withstand high-pressure environments. Rated for 125 PSI, this valve ensures safe operation and compliance with industry standards. The UV air compatibility makes it suitable for diverse applications, while the Buna seals enhance performance and longevity. This valve is an essential component for maintaining system integrity and preventing overpressure situations.