567791

Name: Festo 567791 Solenoid valve MHJ9-QS-1/4-HF-U
Brand: Festo

Solenoid valve MHJ9-QS-1/4-HF-U

The Festo part number 567791 is a 9 mm wide electrical industrial component featuring a 2/2 closed, monostable valve function with direct piloting and a non-reversible flow direction. It operates within a working pressure range of 0.5 to 6 bar, delivering a standard nominal flow rate of 160 l/min utilizing a hard sealing principle and an air spring reset. Featuring a poppet valve design structure without a spring return, the unit achieves a maximum switching frequency of 500 Hz and a switching time on of 1 ms at 4 bar and 24 V. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 567791
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Technical Specifications

Valve function: 2/2 closed, monostable
Type of actuation: electrical
Width: 9 mm
Standard nominal flow rate: 160 l/min
Working pressure: 0.5 ... 6 bar
Design structure: Poppet valve without spring return
Type of reset: Air spring
Protection class: IP40
Grid dimension: 9.5 mm
Operating conditions to DIN VDE 0580: S3 50% 20 min. with individual valve | S3 15% 20 min. with block mounting
Note on operation: Do not operate without flow
Sealing principle: Hard
Assembly position: Any
Manual override: None
Type of piloting: direct
Flow direction: non reversible
b value: 0.36
C value: 0.66 l/sbar
Maximum switching frequency: 500 Hz
Switching time on at 4 bar and 24 V in new condition: 1 ms
Switching time off at 4 bar and 24 V in new condition: 0.5 ms
Switching time on at 4 bar and 48 V in new condition: 0.8 ms
Switching time off at 4 bar and 48 V in new condition: 0.4 ms
Switching time on at 4 bar and 12 V in new condition: 1.4 ms
Switching time off at 4 bar and 12 V in new condition: 0.6 ms
Switching time on at 0.5 bar and 24 V in new condition: 0.9 ms
Switching time off at 0.5 bar and 24 V in new condition: 0.7 ms
Switching time on at 6 bar and 24 V in new condition: 1.3 ms
Switching time off at 6 bar and 24 V in new condition: 0.5 ms
Tolerance for Switching time ON: +/-15 %
Tolerance for Switching time OFF: +15%/-25%
Operating voltage range DC: 12 ... 53 V
Note regarding operating voltage: Only with cable MHJ9-KMH-...
Coil resistance: 5 Ohm
Operating medium: Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot medium: Lubricated operation not possible
Restriction ambient and medium temperature: related to switching frequency
Corrosion resistance classification CRC: 2 - Moderate corrosion stress
Storage temperature: -20 ... 50 °C
Max. permissible solenoid surface temperature: 120 °C
Medium temperature: -5 ... 60 °C
Ambient temperature: -5 ... 60 °C
Product weight: 30 g
Electrical connection: Plug KMH | 2-pin

Engineering context

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Our sourcing response is prepared against Festo 567791. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.