SMC VHS4000-03 Lockout Pneumatic Valve VHS Series

The SMC VHS400-03 Lockout Valve is a three-port residual-pressure relief valve in the VHS series, designed to isolate a pneumatic supply and vent downstream pressure for safe maintenance in industrial lines. This manually operated, single-action valve includes locking holes to secure the handle and prevent accidental actuation, a critical feature when workers service pressurized lines. The unit uses Rc 3/8 port connections, is rated for an operating pressure range of 0.1 to 1.0 MPa, and features a die-cast aluminum body with a weight of approximately 0.27 kg. Applications include maintenance shutoff in automation cells, pneumatic circuits, and equipment where safe depressurization is required to perform service tasks.