Festo DSNU-25-25-PPV-A 33975 Round Cylinder Double-Acting 25mm Bore 25mm Stroke

Festo DSNU-25-25-PPV-A is a double-acting round cylinder with a piston diameter of 25 mm and a stroke of 25 mm. It is designed based on ISO 6432, featuring a high‑alloy stainless steel barrel and piston rod for longevity and corrosion resistance. The cylinder is equipped with a magnetic piston for position sensing and adjustable pneumatic cushioning at both ends, making it suitable for general automation and material handling applications.

Applications:

• Automated assembly lines and positioning tasks

• Material handling, clamping, ejecting, and pressing operations

• OEM machine integration requiring double-acting cylinders

• Factory automation and general pneumatic drive systems

Core Specifications:

• Product type: Round cylinder, double-acting (DSNU series)

• Piston diameter: 25 mm

• Stroke: 25 mm

• Conforms to standard: ISO 6432

• Cushioning: Pneumatic cushioning, adjustable at both ends (PPV)

• Operating pressure range: 1 bar … 10 bar (0.1 MPa … 1 MPa)

• Operating medium: Compressed air to ISO 8573-1:2010 [7:4:4] (lubricated operation possible, required if applied)

• Theoretical force at 0.6 MPa (6 bar) advancing: 294.5 N

• Theoretical force at 0.6 MPa (6 bar) retracting: 247.4 N

• Basic weight for 0 mm stroke: approx. 238 g

• Additional weight per 10 mm stroke: 11 g

• Corrosion resistance class: CRC 2 – moderate corrosion stress

• Ambient temperature: -20 °C … +80 °C

• Position detection: via proximity switch (magnetic piston)

• Pneumatic connection: G 1/8

• Piston rod thread: M10×1.25

• Material cylinder barrel, piston rod: high‑alloy stainless steel

• Material seals: NBR, TPE-U(PU)

• RoHS compliant

Advanced Specifications:

• Impact energy in end positions: 0.3 J

• Cushioning length: 17 mm

• Moving mass at 0 mm stroke: 71 g

• Additional moving mass per 10 mm stroke: 6 g

• Logistics dimensions (L×W×H): approx. 165 × 32 × 36 mm

• Permit lubricated operation (once lubricated, continued lubrication required)

• Cleanroom suitability: class 6 to ISO 14644‑1

• LABS (PWIS) conformity: VDMA24364‑B1/B2‑L

System Integration:

• The cylinder conforms to ISO 6432 for global mechanical interchangeability.

• Operates on compressed air (dry or lubricated).

• The magnetic piston allows end‑position sensing via Festo proximity switches (e.g., SME/SMT‑8 series) mounted in T‑slot accessories.

• Mounting options include direct mounting with accessories and optional position sensing kits.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products:

• SMBR‑8‑20 mounting kit for proximity switches (for 25 mm piston diameter)

• SME‑8‑S‑LED‑24 / SMT‑8M‑A‑PS‑24V‑E‑0,3‑M8D – T‑slot proximity sensors for position feedback

• DSNU-25-50-PPV-A (19246) – same series with 50 mm stroke

• DSBC‑32‑40‑PPVA‑N3 (1376423) – ISO profile cylinder for larger forces according to ISO 15552