Overview
The SMC VHS40-N06-Z is a 3-port manual pressure relief valve engineered for compressed air systems requiring precise pressure control and operator safety. This single-action relief valve features a lockable handle design and is rated 15–150 PSI with 3/4″ NPT port connections, making it ideal for pneumatic circuit protection and residual pressure discharge.
Key Features
- Single-action manual relief valve for pneumatic circuit protection
- Lockable handle prevents accidental operation and allows safe equipment isolation
- OSHA-compliant design with visual flow status indicator
- Flame-resistant PBT handle and bonnet material
- Easy 2-step operation: push handle, then turn to activate
- Compact die-cast aluminum body construction
Technical Specifications
- Model: VHS40-N06-Z
- Series: VHS (VHS20/VHS30/VHS40/VHS50 compatible)
- Type: 3-Port Manual Pressure Relief Valve
- Pressure Range: 15–150 PSI
- Pressure Range (Metric): 0.1–1.0 MPa
- Port Size: 3/4″ NPT
- Thread Style: NPT (National Pipe Taper)
- Body Material: Die-cast aluminum
- Handle Material: Flame-resistant PBT
- Operating Temperature: −5 to +60 °C
- Dimensions: 69 mm diameter × 110 mm height
- Certifications: OSHA compliant with locking holes
- Condition: New in Box
Typical Applications
- Pneumatic system pressure relief and safety discharge
- Residual pressure removal during equipment maintenance
- Manual circuit isolation for service and cleaning operations
- Air preparation and FRL (Filter-Regulator-Lubricator) unit accessory
- Industrial pneumatic equipment protection
Compatibility & Replacements
Compatible With
- SMC AC series air preparation equipment
- VHS20, VHS30, VHS40, VHS50 series manifold systems
- Standard 3/4″ NPT pneumatic circuits
- ISO 4401 and OSHA-regulated compressed air systems
Replaces / Drop-In Replacement For
- SMC VHS40-N06A-Z (aluminum bonnet variant)
- SMC VHS40-N06B-Z (similar specification variant)
- Other 40-size VHS manual relief valves with matching port configurations
Works With
- SMC pneumatic controls and solenoid valve systems
- Compressed air filtering and regulation equipment
- Standard pneumatic automation platforms
- Manual lockout/tagout (LOTO) safety procedures
