Festo MFH-5-1/4-EX
Directional control valve
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Item Number:
MFH-5-1/4-EX
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Festo Directional control valve.
MFH-5-1/4-EX Datasheet:
Valve function | 5/2-way, monostable |
Type of actuation | Electric |
Construction width | 30.5 mm |
Standard nominal flow rate (standardised to DIN 1343) | 1000 l/min |
pneumatic working port | G1/4 |
Operating voltage | Via solenoid coil, must be ordered separately |
Operating pressure | 0.22 MPa ... 0.8 MPa |
Operating pressure | 2.2 bar ... 8 bar |
Design | Poppet seat |
Type of reset | Mechanical spring |
CE mark (see declaration of conformity) | To EU Explosion Protection Directive (ATEX) |
Explosion protection certification outside the EU | EPL Db (GB)EPL Gb (GB) |
CE marking (see declaration of conformity) | To UK EX instructions |
ATEX category gas | II 2G |
ATEX category dust | II 2D |
Explosion ignition protection type for gas | Ex h IIC T4 Gb |
Explosion ignition protection type for dust | Ex h IIIC T130°C Db |
Explosion ambient temperature | -5°C <= Ta <= +40°C |
Degree of protection | IP65 |
Nominal size | 7 mm |
Grid dimension | 32 mm |
Exhaust-air function | With flow control option |
Sealing principle | Soft |
Mounting position | optional |
Manual override | Detenting |
Type of piloting | Pilot actuated |
Flow direction | Non-reversible |
Symbol | 00991035 |
lap | Underlap |
b value | 0.19 |
C value | 4.49 l/sbar |
Switching time off | 29 ms |
Switching time on | 9 ms |
Max. positive test pulse with 0 signal | 2200 µs |
Max. negative test pulse with 1 signal | 3700 µs |
Characteristic coil data | See solenoid coil, to be ordered separately |
Explosion protection | Zone 1 (ATEX)Zone 1 (UKEX)Zone 2 (ATEX)Zone 21 (ATEX)Zone 21 (UKEX)Zone 22 (ATEX) |
Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
Corrosion resistance class CRC | 1 - Low corrosion stress |
LABS (PWIS) conformity | VDMA24364-B1/B2-L |
Storage temperature | -20 °C ... 60 °C |
Media temperature | -5 °C ... 40 °C |
Ambient temperature | -5 °C ... 40 °C |
Product weight | 290 g |
Electrical connection | Via F coil, to be ordered separately |
Type of mounting | Either:On manifold railWith through-hole |
Breather connection | M5 |
Pilot exhaust port 84 | M5 |
Pneumatic connection, port 1 | G1/4 |
Pneumatic connection, port 2 | G1/4 |
Pneumatic connection, port 3 | G1/4 |
Pneumatic connection, port 4 | G1/4 |
Pneumatic connection, port 5 | G1/4 |
Note on materials | RoHS-compliant |
Material seals | NBR |
Material housing | Die-cast aluminium |
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