SMC AW40-N04-8Z-A Filter Regulator with Shut Off Valve VHS400-04

The SMC AW40-N04-8Z-A is a modular filter regulator designed for pneumatic systems, providing air filtration, pressure regulation, and moisture removal in a compact unit. It features a 5-micron filter element for removing contaminants, a built-in pressure gauge for easy monitoring, and a polycarbonate bowl with metal guard for durability. This model includes NPT 1/2-inch ports, making it suitable for industrial applications such as automation, manufacturing, and assembly lines where clean, regulated air is essential. Advantages include easy maintenance with a one-touch bowl removal, reliable pressure control from 0.05 to 0.85 MPa, and compatibility with SMC's modular FRL units for system expansion. Drawbacks may include the need for periodic filter replacement and potential limitations in high-flow demanding environments compared to larger models. Attached is a VHS400-04 shut-off valve with a red handle for quick isolation, enhancing safety by allowing residual pressure relief. This combination improves system efficiency and safety. Based on image analysis, the unit appears used with minor wear and scratches but functional; no serial number visible on faceplate. Estimated market price for used condition: $80-120 USD. For resources, refer to SMC official datasheet (https://www.smcusa.com/documents/AW40.pdf) and model decoder guide (https://www.smcworld.com/products/en/smc_products/en/explanation/model_code/).