544397

Name: Festo 544397 Valve manifold MPAF-FB-VI
Brand: Festo

Valve manifold MPAF-FB-VI

The Festo part number 544397 is an electrical industrial component featuring a modular valve manifold structure with 20 mm and 10 mm valve sizes, supporting up to 64 valve positions and 17 pressure zones. It operates at a working pressure of -0.9 to 10 bar, a nominal operating voltage of 24 V DC with a +/- 25 % permissible voltage fluctuation, and achieves an IP65 protection class within an ambient temperature range of -5 to 50 °C. This unit incorporates fieldbus electrical connection, integrated electrical I/O system, LED switching position indicators, and vacuum suitability alongside ATEX category Gas II 3G compliance. Submit the exact part number, quantity, and application requirements for a quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer: Festo
Part number: 544397
Data verification: Manufacturer evidence reviewed

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Technical Specifications

Valve function: 2/2 closed, monostable | 2x3/2 closed, monostable | 2x3/2 open, monostable | 2x3/2 open/closed, monostable | 3/2 closed, monostable | 3/2 open, monostable | 5/2 bistable | 5/2 monostable | 5/3 pressurized | 5/3 exhausted | 5/3 closed
Valve size: 20 mm | 10 mm
Max. standard nominal flow rate: 360 l/min bei 10 mm | 900 l/min bei 20 mm
Working pressure: -0.9 ... 10 bar
Electrical connection: Fieldbus
Max. number of valve positions: 64
Max. no. of pressure zones: 17
Electrical I/O system: Yes
Ambient temperature: -5 ... 50 °C
Protection class: IP65
Type of actuation: electrical
Valve manifold type: 33
Design structure: Piston slide | Piston seat
Pilot air supply: external | Internal
Valve manifold structure: Modular, valve sizes can be mixed
Switching position indicator: LED
Suitability for vacuum: Yes
Nominal operating voltage DC: 24 V
Permissible voltage fluctuation: +/- 25 %
ATEX category Gas: II 3G
Explosion ignition protection type Gas: Ex nA IIC T4 X Gc
Explosion-proof ambient temperature: -5°C <= Ta <= +50°C
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)
CE symbol (see declaration of conformity): according to EU-EMV guideline
Corrosion resistance classification CRC: 0
Storage temperature: -20 ... 40 °C
Medium temperature: -5 ... 50 °C
Materials note: Conforms to RoHS

Engineering context

Identification and RFQ Guidance

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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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 544397. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.