Festo MFH-3-3/4-S-EX — Solenoid valve, universal directional control valves. valve function 3/2-way, single solenoid, closed; operating pressure -0.095. 1 MPa (-0.95. 10 bar); nominal size 19 mm.
Festo MFH-3-3/4-S-EX — Solenoid valve, universal directional control valves. valve function 3/2-way, single solenoid, closed; operating pressure -0.095. 1 MPa (-0.95. 10 bar); nominal size 19 mm.
| Manufacturer part number (MPN) | 536191 |
| Type code | MFH-3-3/4-S-EX |
| EAN / GTIN | 4052568170899 |
| Product category | Universal directional control valves |
| Valve function | 3/2-way, single solenoid, closed |
| Type of actuation | Electrical |
| Construction width | 68 mm |
| Standard nominal flow rate (standardised to DIN 1343) | 7500 l/min |
| pneumatic working port | G3/4 |
| Operating voltage | Via solenoid coil, must be ordered separately |
| Operating pressure | -0.095 ... 1 MPa (-0.95 ... 10 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) |
| UKCA 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 | 19 mm |
| Exhaust-air function | Can be throttled |
| Sealing principle | Soft |
| Mounting position | Any |
| Manual override | Detenting |
| Type of piloting | Piloted |
| Pilot air supply | External |
| Flow direction | Reversible |
| Symbol | 00992879 |
| lap | Underlap |
| Pilot pressure | 0.1 ... 0.8 MPa (1 ... 8 bar) |
| Switching time off | 32 ms |
| Switching time on | 36 ms |
| Max. positive test pulse with 0 signal | 2200 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] |
| Corrosion resistance class CRC | 1 - Low corrosion stress |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Storage temperature | -20 ... 60 °C |
| Media temperature | -5 ... 40 °C |
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Ambient temperature | -5 ... 40 °C |
| Product weight | 1260 g |
| Electrical connection | Via F coil, to be ordered separately |
| Type of mounting | With through-hole |
| Breather connection | M3 |
| Pilot exhaust port 82 | M5 |
| Pilot air port 12 | G1/8 |
| Pneumatic connection, port 1 | G3/4 |
| Pneumatic connection, port 2 | G3/4 |
| Pneumatic connection, port 3 | G3/4 |
| Material seals | NBR |
| Material housing | Die-cast aluminium |
| Product type | Pneumatic solenoid valves |
| Product group | Pneumatics |
| Thread | G3/4" |
| Activation | El |
| Return | Spring |
| Carbon footprint (EPD) | 20.2043 kg CO2e per pcs |
| Country of origin | China |
| Customs tariff code (EU CN) | 84812090 |
| HS code | 8481.20 |
| MOQ | 1 |