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Festo
540819
Air solenoid valve MDH-5/2-D-3-M12D-C
The Festo 540819 is an electrical actuation 5/2-way monostable industrial component utilizing a piston gate valve structural design with a soft sealing principle and a 14.5 mm nominal width. This piloted unit features a 65 mm width, an ISO 5599-1 size 3 sub-base or G1/2 pneumatic working port, internal pilot air supply, adjustable exhaust air function, non-detenting manual override, and a pneumatic spring reset method, operating at 24V DC across a 2 bar to 10 bar pressure range with a 4500 l/min normal nominal flow rate conforming to DIN 1343. It provides an IP65 degree of protection, conforms to the ISO 5599-1 standard, and supports any mounting position with a 71 mm width dimension and ISO code 351. Submit the exact part number, quantity, and application requirements to receive a formal 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
- 540819
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 540819.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 5/2-way, monostable
- Actuation type
- Electrical
- Width
- 65 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 4500 l/min
- Pneumatic working port
- Sub-base, size 3 as per ISO 5599-1 | G1/2
- Operating voltage
- 24V DC
- Operating pressure
- 2 bar...10 bar
- Structural design
- Piston gate valve
- Reset method
- Pneumatic spring
- Degree of protection
- IP65
- Nominal width
- 14.5 mm
- Width dimension
- 71 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Conforms to standard
- ISO 5599-1
- Manual override
- Non-detenting
- ISO code
- 351
- Type of control
- Piloted
- Pilot air supply port
- Internal
- Flow direction
- Non-reversible
- Lap
- Positive overlap
- Switching time off
- 57 ms
- On switching time
- 54 ms
- Duty cycle
- 100%
- Max. positive test pulse with 0 signal
- 3800 µs
- Max. negative test pulse on 1 signal
- 4900 µs
- Coil characteristics
- 24 V DC: 2.7 W
- Permissible voltage uctuations
- +/- 10%
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
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 540819. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.