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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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Festo
556840
Air solenoid valve VMPA1-M1H-HS-PI
The Festo 556840 is an electrical 10 mm piston gate valve featuring a 2x3/2 open/closed monostable valve function, piloted control, and a normal nominal flow rate of 300 l/min normalized to DIN 1343. This unit operates at 24V DC within an operating pressure range of -0.09 MPa to 0.8 MPa (-0.9 bar to 8 bar), incorporates soft sealing, a mechanical spring reset method, and provides vacuum suitability with a reversible flow direction. Protected to IP65 per IEC 60529 and c UL us recognized, the component includes both detenting and non-detenting manual overrides, a signal status display, and operates with a pilot pressure of 0.3 MPa to 0.8 MPa (3 bar to 8 bar) in any mounting position. Submit the exact part number, quantity, and application requirements to request 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
- 556840
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 556840.
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
- 2x3/2, open/closed, monostable
- Actuation type
- Electrical
- Valve size
- 10 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 300 l/min
- Operating voltage
- 24V DC
- Operating pressure
- -0.09 MPa...0.8 MPa | -0.9 bar...8 bar
- Structural design
- Piston gate valve
- Reset method
- Mechanical spring
- Certication
- c UL us - recognized (OL)
- Degree of protection
- IP65 | As per IEC 60529
- Sealing principle
- Soft
- Mounting position
- Any
- Manual override
- Detenting | Non-detenting
- Type of control
- Piloted
- Flow direction
- Reversible
- Lap
- Positive overlap
- Signal status display
- Yes
- Pilot pressure MPa
- 0.3 MPa...0.8 MPa
- Pilot pressure
- 3 bar...8 bar
- Suitability for vacuum
- Yes
- Standard nominal ow rate with QS-6
- 300 l/min
- Switching time off
- 16 ms
- On switching time
- 14 ms
- Max. positive test pulse with 0 signal
- 400 µs
- Max. negative test pulse on 1 signal
- 200 µs
- Permissible voltage uctuations
- +/- 25%
- 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 556840. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.