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Festo Pneumatic Solenoid Valve w/ Coil MFH-5/3G-1/4-B 19787 Valve func
Festo Pneumatic Solenoid Valve w/ Coil MFH-5/3G-1/4-B 19787 Valve function
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Festo MFH-5/3G-1/4-B Pneumatic Solenoid Valve with Coil (19787)
5/3 closed pilot-actuated pneumatic solenoid valve with mechanical spring reset
Overview
This is a Festo MFH-5/3G-1/4-B Pneumatic Solenoid Valve (19787), a 5/3 closed function piston gate valve designed for reliable pneumatic control in industrial automation applications. With electric actuation, mechanical spring reset, and a die-cast aluminium housing, it offers dependable performance for compressed air switching tasks. Note: electrical connection requires an F coil, ordered separately.
Key Features
- Valve function: 5/3 closed, piston gate valve design.
- High flow rate: Standard nominal flow rate of 1600 l/min.
- Electric actuation: Pilot actuated with internal pilot air supply.
- Mechanical spring reset: Non-detenting manual override available.
- Flow control option: Exhaust-air function with flow control.
- Wide operating pressure range: 3 to 10 bar (0.3 to 1 MPa).
- Durable construction: Die-cast aluminium housing with NBR seals.
- Flexible mounting: On PR rail or with through-hole mounting.
What's Included
| Model | Function | Qty |
|---|---|---|
| MFH-5/3G-1/4-B (19787) | 5/3 pneumatic solenoid valve | 1 |
Brand: Festo | Housing Material: Die-cast aluminium | Part Status: Active
Technical Specifications
Valve function: 5/3 closed.
Type of actuation: Electric.
Construction width: 32 mm.
Standard nominal flow rate: 1600 l/min.
Pneumatic working port: G1/4.
Operating pressure: 0.3 to 1 MPa (3 to 10 bar).
Design: Piston gate valve.
Type of reset: Mechanical spring.
Nominal size: 10 mm.
Grid dimension: 33 mm.
Exhaust-air function: With flow control option.
Sealing principle: Soft.
Mounting position: Optional.
Manual override: Non-detenting.
Type of piloting: Pilot actuated.
Pilot air supply: Internal.
Flow direction: Non-reversible.
Symbol: 00991033.
Lap: Positive overlap.
b value: 0.38.
C value: 6.35 l/s∙bar.
Max. switching frequency: 3 Hz.
Switching time (off/on/reversal): 36 ms / 20 ms / 30 ms.
Max. positive test pulse (0 signal): 2200 µs.
Max. negative test pulse (1 signal): 3700 µs.
Operating medium: Compressed air to ISO 8573-1:2010 [7:4:4].
Note on operating/pilot medium: Lubricated operation possible (once used, lubricated operation will always be required).
Corrosion resistance class: CRC 1 - low corrosion stress.
Storage temperature: -40°C to 60°C.
Media temperature: -10°C to 60°C.
Ambient temperature: -5°C to 40°C.
Product weight: 500 g.
Electrical connection: Via F coil, ordered separately.
Type of mounting: On PR rail or with through-hole.
Pilot exhaust ports (82/84): M5.
Pilot air ports (12/14): G1/8.
Pneumatic connections (ports 1-5): G1/4.
Material, seals: NBR.
Material, housing: Die-cast aluminium.
Compatibility & Applications
This solenoid valve is well suited to pneumatic automation applications requiring precise 5/3 valve control with flexible mounting and mechanical spring reset. Buyers should confirm the compressed air quality per ISO 8573-1:2010 [7:4:4] and F coil compatibility before installation, as the coil is ordered separately.
