Overview
The SMC NAW4000 is a modular filter-regulator belonging to SMC’s AW series, engineered for pneumatic air treatment applications. As a combined filtration and pressure regulation unit, it removes contaminants and maintains stable air pressure in compressed air distribution lines. The modular design allows for flexible configuration and easy maintenance in industrial automation systems.
Key Features
- Modular construction for customizable pneumatic circuit design
- Integrated filter and regulator in single housing
- Adjustable pressure regulation with manual knob control
- Auto drain capability to minimize system maintenance
- Compatible with standard industrial mounting configurations
- Made in Japan with proven durability in automation environments
Technical Specifications
- Pressure Range: 0.05 to 0.85 MPa (5 to 145 PSI)
- Body Size: 1/2 inch
- Connection Thread: NPT 1/2 inch
- Flow Capacity: 140 SCFM
- Auto Drain Type: Float type
- Weight: 2.65 lbs (approximately)
- Series: AW Modular Filter-Regulator
- Manufacturer: SMC Corporation
Typical Applications
- Pneumatic tool and equipment air supply conditioning
- Manufacturing and assembly line compressed air systems
- Industrial automation and control circuits
- Maintenance air distribution networks
- Replacement units for existing pneumatic systems
Compatibility & Replacements
Compatible With
- SMC modular pneumatic components (AW series filter-regulators)
- Standard NPT 1/2-inch pneumatic connections
- Compressed air networks operating at 0.05–0.85 MPa
- Industrial pneumatic control circuits and distribution manifolds
- SMC pressure relief valves and optional accessories (e.g., VHS4000 series)
Replaces / Drop-In Replacement For
- Other SMC NAW4000 variants (NAW4000-N04, NAW4000-N04D, NAW4000-N06D)
- Legacy AW series filter-regulators with identical NPT 1/2-inch connections
- Verify compatibility with your system integrator before ordering to ensure pressure range and flow requirements match.
Works With
- SMC EtherCAT and PROFINET pneumatic valve networks (via compatible I/O blocks)
- ISO 4401-05 solenoid valve manifolds
- Standard pneumatic schematic design software and simulation tools
- Compressed air quality measurement instruments (pressure gauges, flow meters)



