Technical Description: Festo 565407 MS6-EM1 Manual Valve
The Festo 565407 is a manual on-off valve belonging to the renowned MS6 Series of air preparation units. Specifically the MS6-EM1-1/2-S, this 3/2-way valve is used for pressurizing and exhausting pneumatic systems. It is a critical safety and maintenance component, allowing technicians to manually cut off the air supply and exhaust the downstream pressure before servicing machinery.
Mechanical Integrity and Flow Performance
The MS6 series is known for its high flow rates and robust construction. The 565407 features a G1/2 threaded connection and a rotary slide design. The «S» designation indicates that the valve is silencer-compatible on the exhaust port (port 3), which is vital for maintaining a safe and quiet industrial work environment. Its lockable handle prevents unauthorized reactivation of the air supply, complying with standard Lockout-Tagout (LOTO) safety protocols.
Key Characteristics
- Model: MS6-EM1-1/2-S.
- Valve Function: 3/2-way, bistable, manual.
- Connection Size: G1/2.
- Operating Pressure: 0 bar to 18 bar.
- Standard Nominal Flow Rate: 8,700 l/min.
- Mounting Position: Any (Vertical or Horizontal).
- Housing Material: Die-cast aluminum.
- Safety Feature: Lockable via padlock (LOTO).
Service Unit Integration
The MS6-EM1-1/2-S integrates perfectly into Festo’s modular air preparation assemblies. It can be easily combined with filters, regulators, and lubricators using the MS-series connecting plates. This manual valve is typically installed as the first component after the main air inlet to act as the primary shut-off point for a machine’s pneumatic circuit.
| Parameter | Value |
| Temperature Range | -10°C to +60°C |
| Flow Direction | Left to Right (Standard) |
| Corrosion Resistance | CRC 2 (Moderate stress) |
Technical Note
Ensure that the silencer used in port 3 is correctly sized to handle the rapid exhaust of high-volume pressurized air. Using genuine Festo MS-series accessories ensures the pneumatic assembly remains leak-free and maintains its high flow capacity.
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