The Black Diamond® Pressure Relief Valve is an essential safety component required for the proper and secure operation of any air compressor. Designed to protect the system by safely releasing excess pressure, this valve is rated for 200 PSI and features a 1/4 in. NPT connection for broad compatibility. ASME certified and constructed from exceptionally strong, durable brass, it delivers long lasting reliability in both shop and jobsite environments. Compatible with all air compressors using a 1/4 in. NPT port, this pressure relief valve is engineered for easy installation with standard tools, making it an ideal replacement during routine maintenance to help ensure safe, dependable compressor performance.