The Festo 164571, identified as the MVH‑5/3G‑1/4‑B‑VI‑X, is a high-performance pneumatic solenoid valve belonging to Festo’s rugged Tiger 2000 series. Engineered for precise flow control, this internally piloted 5/3-way valve features a G¼ (1/4″) sub-base connection, manual override, and soft-sealing piston slide design—delivering efficient pneumatic actuation in industrial automation environments.

Key Features:

Model: MVH‑5/3G‑1/4‑B‑VI‑X (Festo PN 164571)
Type: Electrical actuation, mechanically spring-returned 5/3 closed valve
Nominal Size (Ø): 10 mm, supporting a flow rate up to 1,600 l/min
Connections: Sub-base coupled ports (1, 3, 5) and G¼ ports (2, 4)
Operating Pressure: 3–10 bar
Temperature Range: –5 °C to +50 °C (air and ambient)
Switching Time: ~27 ms ON; ~36 ms OFF
Coil: 24 V DC, 2.5 W electrical coil; EN 175301‑803 Type B connector
Exhaust Control: Throttleable exhaust capability included
Sealing: Soft seal technology for low leakage and quiet operation
Manual Override: Non-detenting mechanical bypass control for manual valve actuation

Festo – 164571 (MVH-5/3G-1/4-B-VI-X) – 5/3-Way Solenoid Valve