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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
571333
Air solenoid valve VMPA2-M1H-MS-PI
The Festo 571333 is an electrical 5/2-way monostable industrial component utilizing a piston gate valve structural design with a soft sealing principle and positive overlap lap. Featuring a 20 mm valve size, this piloted component delivers a normal nominal flow rate between 670 l/min and 840 l/min at an operating pressure ranging from -0.09 MPa to 0.8 MPa and a pilot pressure of 3 bar to 8 bar. It operates on 24V DC, provides IP65 protection in the mounted state according to IEC 60529, includes a signal status display, and incorporates both detenting and non-detenting manual overrides alongside mechanical spring reset. Submit the exact part number, quantity, and application requirements to request a formal quote for this c UL us-recognized part.
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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
- 571333
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 571333.
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
- Valve size
- 20 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 670 l/min...840 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 | In mounted state | 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
- Note on standard nominal ow rate
- MPA-L: 840 l/min | MPA-S: 670 l/min
- Standard nominal ow rate with QS-8
- 670 l/min
- Standard nominal ow rate with QS-10
- 840 l/min
- Max. switching frequency
- 2 Hz
- Switching time off
- 36 ms
- On switching time
- 8 ms
- Max. positive test pulse with 0 signal
- 400 µs
- Max. negative test pulse on 1 signal
- 900 µs
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 571333. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.