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Festo
541646
Solenoid valve NVF3-5/2K-1/4-24-NPT-EX
The Festo part number 541646 is an electrical industrial component featuring a 5/2 closed, monostable valve function with a 76 mm width and a 7 mm nominal size. Built with a poppet seat design structure and soft sealing principle, this piloted valve operates within a working pressure range of 2 to 10 bar, delivering a standard nominal flow rate of 900 l/min. It conforms to the VDI/VDE 3845 NAMUR standard and includes a mechanical spring reset, throttleable exhaust-air function, and detenting or pushing manual override. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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Request a Quote- Manufacturer
- Festo
- Part number
- 541646
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 541646.
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Verified configuration
Technical Specifications
- Valve function
- 5/2 closed, monostable
- Type of actuation
- electrical
- Width
- 76 mm
- Standard nominal flow rate
- 900 l/min
- Working pressure
- 2 ... 10 bar
- Design structure
- Poppet seat
- Type of reset
- mechanical spring
- Nominal size
- 7 mm
- Exhaust-air function
- throttleable
- Sealing principle
- soft
- Assembly position
- Any
- Conforms to standard
- VDI/VDE 3845 (NAMUR)
- Manual override
- detenting | Pushing
- Type of piloting
- Piloted
- Flow direction
- non reversible
- Freedom from overlap
- No
- b value
- 0.33
- C value
- 4.2 l/sbar
- Switching time off
- 38 ms
- Switching time on
- 13 ms
- Characteristic coil data
- 24 V DC: 4.6 W
- Explosion protection certification outside the EU
- Class I, Div. 1 (US) | Class I, Div. 2 (US) | Class II, Div. 1 (US) | Class II, Div. 2 (US) | Class III, Div. 1 (US) | Class III, Div. 2 (US) | EPL Gb (US) | EPL Gc (US)
- Certificate issuing department
- FM 3026030
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4]
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 1
- Medium temperature
- -5 ... 40 °C
- Ambient temperature
- -5 ... 40 °C
- Product weight
- 500 g
- Mounting type
- On subbase
- Scavenging orifice connection
- Internal
- Pilot exhaust port 84
- M5
- Pneumatic connection, port
- 5 NPT1/4-18
- Materials information for seals
- NBR | TPE-U(PU)
- Materials information, housing
- Aluminum die cast | Anodized
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 541646. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.