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MFH-3-1/4-S
7959
Technical Data
Valve function3/2-way, closed, monostable
Type of actuationElectric
Construction width30.5 mm
Standard nominal flow rate (standardised to DIN 1343)800 l/min
pneumatic working portG1/4
Operating voltageVia solenoid coil, must be ordered separately
Operating pressure-0.095 MPa ... 1 MPa
Operating pressure-0.95 bar ... 10 bar
DesignPoppet seat
Type of resetMechanical spring
Approvalc UL us - Recognized (OL)
Degree of protectionIP65
Nominal size7 mm
Grid dimension32 mm
Exhaust-air functionWith flow control option
Sealing principleSoft
Mounting positionoptional
Manual overrideDetenting
Type of pilotingPilot actuated
Pilot air supplyExternal
Flow directionReversible
Symbol00992879
lapUnderlap
Pilot pressure0.1 MPa ... 0.8 MPa
Pilot pressure1 bar ... 8 bar
Switching time off29 ms
Switching time on10 ms
Max. positive test pulse with 0 signal2200 µs
Max. negative test pulse with 1 signal3700 µs
Characteristic coil dataSee solenoid coil, to be ordered separately
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
Corrosion resistance class CRC1 - Low corrosion stress
LABS (PWIS) conformityVDMA24364-B1/B2-L
Storage temperature-20 °C ... 60 °C
Media temperature-10 °C ... 60 °C
Pilot mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Ambient temperature-5 °C ... 40 °C
Product weight320 g
Electrical connectionVia F coil, to be ordered separately
Type of mountingEither: On manifold rail With through-hole
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