The Unloader Valve 90D 1/2" FPT x 1/4" FPT 145-175 by MIDWEST CONTROL is engineered for efficient pressure management in pneumatic systems. This valve operates within a pressure range of 145-175 PSI, ensuring optimal performance. Its durable construction features high-quality materials that withstand demanding conditions. The 1/2" FPT inlet and 1/4" FPT outlet provide versatile installation options, making it compatible with various applications. Ideal for compressors and other pneumatic equipment, this unloader valve enhances system efficiency and reliability.