Festo NVF3-MOH-5/2-K-1/4-EX
Solenoid valve
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Valve function | 5/2- or 3/2-way monostable |
Standard nominal flow rate (standardised to DIN 1343) | 900 l/min |
Pneumatic connection, port 1 | G1/4 |
Item Number:
NVF3-MOH-5/2-K-1/4-EX
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Festo Solenoid valve.
NVF3-MOH-5/2-K-1/4-EX Datasheet:
Valve function | 5/2- or 3/2-way monostable |
Type of actuation | Electric |
Construction width | 53 mm |
Standard nominal flow rate (standardised to DIN 1343) | 900 l/min |
pneumatic working port | Sub-base |
Operating voltage | Via solenoid coil, must be ordered separately |
Operating pressure | 0.2 MPa ... 1 MPa |
Operating pressure | 2 bar ... 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) |
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 T6 Gb |
Explosion ignition protection type for dust | Ex h IIIC T70°C Db |
Explosion ambient temperature | -5°C <= Ta <= +40°C |
Nominal size | 7 mm |
Exhaust-air function | With flow control option |
Sealing principle | Soft |
Mounting position | optional |
Conforms to standard | VDI/VDE 3845 (NAMUR) |
Manual override | DetentingNon-detenting |
Type of piloting | Pilot actuated |
Flow direction | Non-reversible |
Symbol | 00991831 |
lap | Underlap |
b value | 0.33 |
C value | 4.2 l/sbar |
Switching time off | 100 ms |
Switching time on | 50 ms |
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 |
Media temperature | -5 °C ... 40 °C |
Ambient temperature | -5 °C ... 40 °C |
Product weight | 280 g |
Type of mounting | On manifold rail |
Breather connection | Internal |
Pilot exhaust port 84 | M5 |
Pneumatic connection, port 1 | G1/4 |
Pneumatic connection, port 2 | NAMUR port pattern |
Pneumatic connection, port 3 | G1/4 |
Pneumatic connection, port 4 | NAMUR port pattern |
Pneumatic connection, port 5 | G1/4 |
Material seals | NBR |
Material housing | Die-cast aluminium |
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