Overview
The SMC VHS30-N03-RZ is a manually operated, 3-port pressure relief valve designed for safe and reliable energy isolation in pneumatic systems. This lockable valve provides a critical safety function by exhausting residual pressure downstream while preventing accidental operation through its integrated locking mechanism. Ideal for maintenance technicians and system integrators, this valve delivers OSHA-compliant performance in industrial automation and motion control applications.
Key Features
- OSHA-compliant design for workplace safety and regulatory adherence
- Lockable handle to prevent accidental operation during maintenance
- Visual flow indicator for easy monitoring of supply and exhaust status
- Aluminum die-casted body for durability and corrosion resistance
- NPT thread connections for standard pneumatic installations
- Single-action mechanical operation—no electrical components required
Technical Specifications
- Valve Type: 3-Port Pressure Relief (Residual Pressure)
- Body Size: 30
- Port Size: 3/8″ NPT
- Body Material: Aluminum Die-Cast
- Locking Feature: Yes—handle locks in position
- Operation: Manual/Single Action
- Weight: 0.70 lbs
- Pressure Range: 0–1 MPa
- Standards: OSHA Compliant
Typical Applications
- Pneumatic system maintenance and energy isolation
- Industrial automation equipment and machinery
- Compressed air system bleed-down and residual pressure control
- Manufacturing lines requiring OSHA-compliant safety equipment
- Preventive maintenance and safe lockout procedures
Compatibility & Replacements
Compatible With
- SMC VHS series pneumatic preparation units (FRL—Filter, Regulator, Lubricator)
- Standard 3/8″ NPT pneumatic tubing and fittings
- Industrial compressed air systems operating at 0–1 MPa
- AC series modular air preparation equipment
Replaces / Drop-In Replacement For
- SMC VHS30-N03-Z (earlier generation variant)
- SMC VHS30-N03B-RZ (similar size body alternative)
Works With
- SMC pneumatic systems and accessories
- Standard compressed air preparation and isolation circuits
- OSHA and workplace safety compliance protocols
- Manual energy isolation and lockout/tagout procedures
