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"Extremely Helpful. Shipped me a replacement unit next day and i was up and running within 24 hours. Replacement new from machinery manufacturers was on a 7 day lead time."
The Festo NVF3-MOH-5/2-K-1/4-EX is a robust and reliable air solenoid valve designed for efficient control of compressed air systems. This valve features a 5/2 or 3/2-way monostable function, making it versatile for various industrial applications. With an electrical actuation type and a mechanical spring reset method, it ensures precise and consistent operation. The valve is constructed with a die-cast aluminium housing and NBR seals, providing durability and low corrosion stress. It operates within a pressure range of 2 to 10 bar and supports a standard nominal flow rate of 900 l/min. The NVF3-MOH-5/2-K-1/4-EX is compliant with ATEX and UKEX explosion protection standards, making it suitable for use in hazardous environments. Its compact design, with a width of 53 mm, allows for easy integration into existing systems, and it can be mounted on a terminal strip for convenience. The valve's operating and ambient temperature range is from -5°C to 40°C, ensuring reliable performance in various conditions.
| Specification | Description |
|---|---|
| Part Number | NVF3-MOH-5/2-K-1/4-EX |
| Manufacturer | Festo |
| Valve Function | 5/2- or 3/2-way monostable |
| Actuation Type | Electrical |
| Construction Width | 53 mm |
| Standard Nominal Flow Rate | 900 l/min |
| Pneumatic Working Port | Sub-base |
| Operating Voltage | Via solenoid coil, must be ordered separately |
| Operating Pressure | 0.2 MPa to 1 MPa (2 bar to 10 bar) |
| Design | Poppet seat |
| Reset Method | Mechanical spring |
| CE Marking | To EU Explosion Protection Directive (ATEX) |
| Explosion Protection Certification | EPL Db (GB), EPL Gb (GB) |
| 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 to +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 | Detenting, Non-detenting |
| Type of Piloting | Pilot actuated |
| Flow Direction | Non-reversible |
| Lap | Underlap |
| b Value | 0.33 |
| C Value | 4.2 l/s·bar |
| Switching Time Off | 100 ms |
| Switching Time On | 50 ms |
| Operating Medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Lubricated Operation | Possible (required for further use) |
| Corrosion Resistance Class | CRC1 - Low corrosion stress |
| LABS (PWIS) Conformity | VDMA24364-B1/B2-L |
| Media Temperature | -5°C to +40°C |
| Ambient Temperature | -5°C to +40°C |
| Product Weight | 280 g |
| Type of Mounting | On terminal strip |
| Venting Hole Connection | Internal |
| Pilot Exhaust Air Port | 84M5 |
| Pneumatic Connection 1 | G1/4 |
| Pneumatic Connection 2 | NAMUR connection diagram |
| Pneumatic Connection 3 | G1/4 |
| Pneumatic Connection 4 | NAMUR connection diagram |
| Pneumatic Connection 5 | G1/4 |
| Seals Material | NBR |
| Housing Material | Die-cast aluminium |
The Festo NVF3-MOH-5/2-K-1/4-EX is a robust and versatile air solenoid valve designed for efficient control of compressed air systems. With its electrical actuation and poppet seat design, this valve offers reliable performance in various industrial applications. It features a 5/2- or 3/2-way monostable valve function, providing flexibility in operation. The valve is constructed with a durable die-cast aluminium housing and NBR seals, ensuring longevity and resistance to low corrosion stress. Suitable for use in explosive environments, it complies with ATEX and UKEX standards, making it a safe choice for demanding settings.
Thumbs up to Rob for helping out with an urgent requirement we had on a Friday afternoon. The part we wanted was over in Europe and Rob went out of his way to get it ordered and on site here for the following Tuesday.City Bearings
Absolutely fantastic service. Rob was very helpful. Great communication. Requested part was shipped in no time.Konrad Eliaszuk
Found the component i was looking for ad a great price. Great support from the staff as I was paying using a wire transfer. - Quick delivery and very good packaging.Adriano Tiberi
Extremely Helpful. Shipped me a replacement unit next day and i was up and running within 24 hours. Replacement new from machinery manufacturers was on a 7 day lead time.Sean Conlin
FIRST TIME WORKING WITH MARVO. THEY HAD WHAT I NEEDED AND TOOK GREAT CARE OF ME AND GOT MY ORDER OUT IMMEDITELY. WAS VERY IMPRESSED WITH THE SERVICE AND THE PERSON I SPOKE WITH. I WILL DEFINITELY WORK WITH THEM QGAIN IN THE FUTURE.Robert Cohen
After ordering an urgent part from Marvo i received a great level of customer service and Rob was very helpful.Claire Hinchliff
Absolutely fantastic service. Rob was very helpful. Great communication. Requested part was shipped in no time.Konrad Eliaszuk
Found the part we needed at the best price. Spoke to Rob to make sure the part was actually in stock, as many companies don't actually have the part available to ship. It was in stock ready and the part was checked and shipped and received within a couple of days from their German stock. Would definitely use again and recommend.Chris Sentance
FIRST TIME WORKING WITH MARVO. THEY HAD WHAT I NEEDED AND TOOK GREAT CARE OF ME AND GOT MY ORDER OUT IMMEDITELY. WAS VERY IMPRESSED WITH THE SERVICE AND THE PERSON I SPOKE WITH. I WILL DEFINITELY WORK WITH THEM QGAIN IN THE FUTURE.Robert Cohen
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