Smc Pneumatics VHS50-N06B-Z Lockout Valve 0.75 in Npt

Product Description

The SMC PNEUMATICS VHS50-N06B-Z is a manually operated lockout valve designed for compressed air and pneumatic systems. It features a 3-way, 2-position design with handle actuation, giving technicians direct manual control over air supply isolation. The valve carries a Cv rating of 6.4 and accepts 0.75-inch female NPT connections, making it a straightforward fit for standard pneumatic plumbing. A minimum working pressure of 14.50 psi and a minimum working temperature of 23 degrees F round out the core performance envelope. This valve is installed by industrial maintenance technicians and pneumatic system specialists performing lockout/tagout procedures or routine service isolation.

This lockout valve is suited for use in industrial and commercial pneumatic systems where positive air supply shutoff is required before maintenance or equipment service. It is commonly installed at the inlet of pneumatic control panels, air-operated equipment, or machine tools to comply with lockout/tagout energy control programs. The handle actuator provides a clear visual indication of valve position, which is critical in LOTO-regulated environments. Three ports and two positions allow the valve to exhaust downstream pressure when closed, a key function in safe-isolation applications.

Key Features

• 3-way, 2-position design exhausts downstream air when valve is closed
• Handle actuation provides positive manual control and clear open/closed indication
• Cv rating of 6.4 supports adequate flow for standard pneumatic circuits
• 0.75-inch female NPT connections fit common pneumatic plumbing
• Rated for operation down to 23 degrees F minimum working temperature
• Supports lockout/tagout compliance in industrial maintenance workflows

Compatibility

Designed as an OEM-style replacement or new-installation lockout valve for industrial pneumatic systems using 0.75-inch female NPT connections and requiring manual air supply isolation.

Installation Notes

Installation should be performed by a qualified pneumatic technician or industrial maintenance professional. De-energize and depressurize the pneumatic system fully before installing or replacing this valve. Apply thread sealant appropriate for compressed air service to all NPT connections and verify joint integrity before returning the system to pressure. Follow applicable OSHA lockout/tagout standards (29 CFR 1910.147) and any local or facility energy control procedures when using this valve as part of a LOTO program.