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
Reference imageConfirm configuration by manufacturer part number.
Festo
540811
Air solenoid valve MDH-5/2-D-1-S-FR-M12D-C
The Festo part number 540811 is a 42 mm wide electrical 5/2-way monostable industrial component featuring a piston gate valve structural design and soft sealing principle. This piloted piston gate valve operates at 24V DC with an operating pressure ranging from -0.9 bar to 16 bar, delivering a normal nominal flow rate of 1200 l/min through an ISO 5599-1 size 1 sub-base or G1/4 pneumatic working port. Built with an IP65 degree of protection, it includes a mechanical spring reset, non-detenting manual override, adjustable exhaust air function, and external pilot air supply port while conforming to ISO 5599-1 standards for any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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
- 540811
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 540811.
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
- 42 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 1200 l/min
- Pneumatic working port
- Sub-base, size 1 according to ISO 5599-1 | G1/4
- Operating voltage
- 24V DC
- Operating pressure
- -0.9 bar...16 bar
- Structural design
- Piston gate valve
- Reset method
- Mechanical spring
- Degree of protection
- IP65
- Nominal width
- 8 mm
- Width dimension
- 43 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Conforms to standard
- ISO 5599-1
- Manual override
- Non-detenting
- ISO code
- 169
- Type of control
- Piloted
- Pilot air supply port
- External
- Flow direction
- Reversible
- Lap
- Positive overlap
- Pilot pressure
- 3 bar...10 bar
- Switching time off
- 42 ms
- On switching time
- 20 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]
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 540811. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.