Smc Pneumatics VFS4100-3FZ-04T Solenoid Pilot Valve

Product Description

The SMC PNEUMATICS VFS4100-3FZ-04T is a single solenoid, pilot-operated directional control valve designed for compressed air and pneumatic circuit applications. It operates as a 5-port, 2-position valve with spring return, meaning it defaults to one flow state when the solenoid is de-energized. The valve accepts a 1/2 inch NPT inlet connection and delivers a flow coefficient (Cv) of 3.6, making it well-suited for actuating mid-size cylinders and pneumatic tools. It runs on 110 volts AC or DC and includes a built-in indicator light and surge voltage suppressor as standard options. Licensed HVAC technicians, industrial mechanics, and pneumatic system installers are the typical professionals working with this component.

This valve fits into industrial and commercial pneumatic control systems where a 5-port, 2-position directional valve is required to control double-acting or spring-return cylinders. Its spring-return configuration makes it appropriate for fail-safe applications where a defined rest position is required when power or signal is lost. The 1/2 inch NPT inlet suits standard pneumatic manifold and pipe installations. Operating temperature range runs from -10 degrees C to 60 degrees C, covering most indoor industrial environments. The integrated surge suppressor helps protect control circuitry from voltage spikes generated at coil de-energization.

Key Features

• 3.6 Cv flow rating supports mid-size actuator and cylinder applications
• 5-port, 2-position configuration with spring return for defined fail-safe positioning
• 1/2 inch NPT inlet connection for standard pipe and manifold integration
• Operates at 110 volts AC or DC, compatible with common industrial control voltages
• Integrated indicator light provides visual confirmation of solenoid energization
• Built-in surge voltage suppressor protects downstream control components

Compatibility

Designed as an OEM-style replacement or direct-install single solenoid pilot-operated directional control valve for 5-port, 2-position pneumatic circuits using 1/2 inch NPT connections and 110-volt control signals.

Installation Notes

Installation should be performed by a qualified industrial mechanic or pneumatic systems technician. De-pressurize and lock out the pneumatic system and disconnect electrical power before removing or installing the valve. Verify inlet and outlet port orientation against the circuit diagram before final tightening of NPT fittings to avoid cross-porting. Confirm that the supply voltage matches the coil rating of 110 volts before energizing the control circuit.