In sourcing discussions, DSNU-20-40-P-A-19209 is often placed next to Festo Festo, Festo Dsnu 25 50 P A 19221 and Festo Valves so procurement teams can align budgets and technical requirements effectively.
Festo DSNU-20-40-P-A Round Cylinder
The Festo DSNU-20-40-P-A Round Cylinder offers M8 rod thread, Male thread piston rod end, 20 mm diameter, andPiston; Piston rod; Cylinder barrel. Manufactured by Festo under the Festo Round Cylinder category, this model belongs to the DSNU Series.
| Brand | Festo |
| Product Type | ISO Cylinder |
| Product | DSNU-20-40-P-A |
Festo DSNU-20-40-P-A Round Cylinder – Technical Specifications
| Specification | Value |
|---|---|
| Stroke | 40 |
| Piston diameter | 20 mm |
| Piston rod thread | M8 |
| Cushioning | Elastic cushioning rings/plates at both ends |
| Mounting position | optional |
| Conforms to standard | CETOP RP 52 P; ISO 6432 |
| Design | Piston; Piston rod; Cylinder barrel |
| Piston-rod end | Male thread |
| Position detection | Via proximity switch |
| Variants | Piston rod at one end |
| Operating pressure | 1; 10 |
| Mode of operation | Double-acting |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Corrosion resistance class CRC | 2 - Moderate corrosion stress |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Cleanroom class | Class 6 according to ISO 14644-1 |
| Ambient temperature | -20; 80 |
| Impact energy in end positions | 0.2 |
| Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke | 158.3 |
| Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke | 188.5 |
| Moving mass for 0 mm stroke | 44 |
| Additional moving mass per 10 mm stroke | 4 |
| Basic weight for 0 mm stroke | 186.8 |
| Additional weight per 10 mm stroke | 7.2 |
| Type of mounting | With accessories |
| Pneumatic connection | G1/8 |
| Note on materials | RoHS-compliant |
| Material cover | Wrought aluminium alloy; Colourless anodised |
| Material seals | NBR; TPE-U(PU) |
| Material piston rod | High-alloy stainless steel |
| Material cylinder barrel | High-alloy stainless steel |
Festo is a trusted global brand in industrial automation, known for engineering precision, consistent quality, and long-lasting performance. Their pneumatic and electric actuators are used in machines across sectors like automotive, packaging, pharma, textiles, and process industries. In India, Festo products are preferred by design engineers and maintenance teams for their compliance with international standards and ease of integration into existing systems.
The Festo DSNU-20-40-P-A (19209) is a high-performance ISO 6432 round cylinder with a 20 mm piston diameter and 40 mm stroke, operating in double-acting mode. It features a male-threaded M8 piston rod and elastic cushioning rings at both ends, providing soft stopping behavior and extended service life. Built for use with clean compressed air (ISO 8573-1:2010 [7:4:4]), it supports pressures from 1 to 10 bar. The cylinder is equipped with proximity switch compatibility for position sensing and offers optional mounting via accessories. Materials like stainless steel for the piston rod and barrel, anodised aluminium covers, and NBR/TPE seals ensure corrosion resistance (CRC 2) and RoHS compliance for a wide range of applications.
The DSNU-20-40-P-A is suitable for medium-duty applications where smooth, accurate, and reliable motion is critical—such as in sorting stations, clamping mechanisms, or small part handling units. Its consistent thrust (188.5 N advance stroke at 6 bar) and clean design make it ideal for space-constrained machines or in labs requiring ISO 14644-1 Class 6 cleanroom compatibility. Maintenance engineers will find it easy to replace and mount using standard fittings, while students can study this cylinder to understand ISO-standard pneumatic designs, sensor integration, and force calculations. This model offers a practical combination of simplicity, performance, and engineering value.
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