Product Model
mfh-3-1/4-s-npt
Selling Points
- 1The Festo MFH-3-1/4-S-NPT solenoid valve is a 3/2-way, closed, monostable valve with electric actuation, offering a standard nominal flow rate of 800 l/min and a compact construction width of 30.5 mm.
- 2This valve features a poppet seat design with a mechanical spring return, ensuring reliable operation and long service life. It also meets IP65 protection class and is recognized by UL.
- 3The MFH-3-1/4-S-NPT solenoid valve supports reversible lap underlap flow direction and has a throttleable exhaust-air function, making it versatile for various industrial applications.
- 4With operating pressures ranging from -0.95 to 10 bar, this valve is suitable for a wide range of pneumatic systems. It also includes a service-life value of 26 million cycles, ensuring high reliability.
- 5The valve operates via a solenoid coil, which must be ordered separately, and supports lubricated operation for enhanced performance. It is also RoHS-compliant and designed with soft mounting options for easy installation.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 3/2, closed, monostable | Actuation type | Electrical |
Width | 30.5mm | Standard nominal flow rate | 800l/min |
Pneumatic working port | 1/4 NPT | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | -0.95bar 10bar | Structural design | Plate seat |
Reset method | Mechanical spring | Certification | c UL us - Recognized (OL) |
Degree of protection | IP65 | Nominal width | 7mm |
Width dimension | 32mm | Exhaust air function | With flow control option |
Sealing principle | Soft | Mounting position | Any |
Manual override | Detenting | Type of control | Pilot-controlled |
Pilot air supply port | External | Flow direction | Reversible |
Symbol | 00992879 | Lap | Underlap |
Pilot pressure MPa | 0.1MPa 0.8MPa | Pilot pressure | 1bar 8bar |
Switching time off | 29ms | On switching time | 10ms |
Max. positive test pulse with 0 signal | 2200μs | Max. negative test pulse on 1 signal | 3700μs |
Coil characteristics | See solenoid coil, to be ordered separately | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Information on operating and pilot media | Operation with oil lubrication possible (required for further use) | Corrosion resistance class (CRC) | 1 - Low corrosion stress |
LABS (PWIS) conformity | VDMA24364-B2-L | Storage temperature | -20°C 60°C |
Temperature of medium | -10°C 60°C | Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Ambient temperature | -5°C 40°C | Product weight | 320g |
Electrical connection | Via F coil, to be ordered separately | Type of mounting | Optionally: On terminal strip With through-hole |
Pilot exhaust air port 82 | M5 | Pilot air port 12 | 10-32 UNF-2B |
Pneumatic connection 1 | 1/4 NPT | Pneumatic connection 2 | 1/4 NPT |
Pneumatic connection 3 | 1/4 NPT | Note on materials | RoHS-compliant |
Seals material | NBR | Housing material | Die-cast aluminum |
Manufacturer ID | 10873 |
Specifications may be subject to change without notice