Confirm the exact configuration
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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
540812
Air solenoid valve MDH-5/2-D-2-M12D-C
The Festo 540812 is an electrically actuated 5/2-way monostable industrial component featuring a piston gate valve structural design and a nominal width of 11.5 mm. Operating at 24V DC within a pressure range of 2 bar to 10 bar, this unit delivers a normal nominal flow rate of 2300 l/min and conforms to the ISO 5599-1 standard with size 2 sub-base or G3/8 pneumatic working ports. It includes internal pilot air supply, a pneumatic spring reset method, an IP65 degree of protection, and adjustable exhaust air functions. Submit the exact part number, quantity, and application requirements to receive a formal price and lead time quote.
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Request a QuoteWhy no listed price?
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
- 540812
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 540812.
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
- 54 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 2300 l/min
- Pneumatic working port
- Sub-base, size 2 according to ISO 5599-1 | G3/8
- 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
- 11.5 mm
- Width dimension
- 56 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Conforms to standard
- ISO 5599-1
- Manual override
- Non-detenting
- ISO code
- 251
- Type of control
- Piloted
- Pilot air supply port
- Internal
- Flow direction
- Non-reversible
- Lap
- Positive overlap
- Switching time off
- 60 ms
- On switching time
- 45 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 540812. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.