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FESTO 7959 SOLENOID VALVE

7959 Solenoid valve MFH-3-1/4-S
SKU: MFH-3-1/4-S
Manufacturer: Festo
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CriterionFeature
Valve function3/2 closed, monostable
Type of actuationelectrical
Width30,5 mm
Valve size30,5 mm
Standard nominal flow rate800 l/min
Operating pressure-0,95 - 10 bar
Design structurePoppet seat
Type of resetmechanical spring
Protection classIP65
Nominal size7 mm
Grid dimension32 mm
Exhaust-air functionthrottleable
Sealing principlesoft
Assembly positionAny
Manual overridedetenting
Type of pilotingPiloted
Pilot air supplyexternal
Flow directionreversible
Freedom from overlapNo
Note on forced dynamisationSwitching frequency at least once a week
Pilot pressure1 - 8 bar
b value0,19
Switching time off29 ms
Switching time on10 ms
Max. positive test pulse with logic 02200 µs
Max. negative test pulse with logic 13700 µs
Characteristic coil dataSee solenoid coil, to be ordered separately
Operating mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible (subsequently required for further operation)
Corrosion resistance classification CRC1
Storage temperature-20 - 60 °C
Medium temperature-10 - 60 °C
Pilot mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Ambient temperature-5 - 40 °C
Product weight320 g
Electrical connectionVia F coil, must be ordered separately
Mounting typeOptional
on manifold rail
with through hole
Pilot exhaust port 82M5
Pilot air port 12M5
Pneumatic connection, port 1G1/4
Pneumatic connection, port 2G1/4
Pneumatic connection, port 3G1/4
Materials noteConforms to RoHS
Materials information for sealsNBR
Materials information, housingAluminium die cast