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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
5225843
Round cylinder DSNU-S-20-125-PPS-A-MX
The Festo 5225843 is a double-acting industrial component featuring a 20 mm piston diameter, a 125 mm stroke, and an M8 piston rod thread configured with a piston, piston rod, and cylinder barrel. It operates on compressed air within a 0.8 bar to 10 bar pressure range, delivering a theoretical retracting force of 158.3 N and advancing force of 188.5 N at 6 bar. This unit incorporates self-adjusting pneumatic end-position cushioning with a 15 mm cushioning length, position sensing via proximity switch, and can be installed 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
- 5225843
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 5225843.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Stroke
- 125 mm
- Piston diameter
- 20 mm
- Piston rod thread
- M8
- Cushioning
- Self-adjusting pneumatic end-position cushioning
- Mounting position
- Any
- Structural design
- Piston | Piston rod | Cylinder barrel
- Position sensing
- Via proximity switch
- Operating pressure
- 0.08 MPa...1 MPa | 0.8 bar...10 bar
- Mode of operation
- Double-acting
- 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)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B2-L
- Cleanroom suitability, measured according to ISO 14644-14
- Class 5 according to ISO 14644-1
- Ambient temperature
- -20 °C...80 °C
- Impact energy in the end positions
- 0.2 J
- Cushioning length
- 15 mm
- Theoretical force at 6 bar, retracting
- 158.3 N
- Theoretical force at 6 bar, advancing
- 188.5 N
- Moving mass at 0 mm stroke
- 37.3 g
- Additional moving mass per 10 mm stroke
- 4 g
- Basic weight with 0 mm stroke
- 126 g
- Additional weight per 10 mm stroke
- 7.2 g
- Type of mounting
- With accessories
- Pneumatic connection
- G1/8
- Note on materials
- RoHS compliant
- Cover material
- Wrought aluminum alloy, anodized
- Seals material
- TPE-U(PU)
- Piston rod material
- high-alloy stainless steel
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 5225843. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.