DSNU-40-400-PPV-A – Round Cylinder – Festo Piston Rod Cylinders

USD $ 148.26

SKU: Festo 193993

Manufacturer Part Number: Festo 193993
Festo Piston Rod Cylinders: DSNU-40-400-PPV-A
OEM Spec Ref 

The Festo DSNU-40-400-PPV-A, with MPN 193993, is a highly robust and efficient double-acting round cylinder, ideal for a variety of industrial applications. Designed for durability and performance, this pneumatic cylinder is part of Festo’s core product range, which assures availability and reliability.

Key Features:

  • High-Quality Materials: The cylinder barrel is made from high-alloy stainless steel and the piston rod from the same material, ensuring resistance to corrosion and extended service life.
  • Advanced Cushioning: It features self-adjusting pneumatic end-position cushioning as well as adjustable pneumatic cushioning at both ends, which enhances performance and minimizes impact at the stroke ends.
  • Temperature and Pressure Tolerance: The cylinder operates effectively within a pressure range of 1 bar to 10 bar and an ambient temperature range from -20 °C to 120 °C, making it suitable for harsh environments.
  • Mounting Flexibility: Optional mounting allows for versatile installation options, accommodating various industrial setups.
  • Integrated Explosion Protection: Rated for Zones 1 and 2 (ATEX) for gas and Zones 21 and 22 for dust, the cylinder is suitable for explosive environments, adhering to stringent safety standards.


  • Enhanced System Reliability: The use of premium materials and built-in cushioning ensures reliable operation and reduces maintenance needs.
  • Operational Versatility: With its broad operating conditions and mounting flexibility, this cylinder can be adapted to various operational needs, ensuring optimal integration.
  • Safety and Compliance: The cylinder’s compliance with ATEX and its robust design ensure safe operation in explosive and harsh environments.


  • Manufacturing Automation: Ideal for automated systems requiring precise movement and force control.
  • Material Handling: Suitable for applications involving the transport and positioning of materials under variable conditions.
  • General Pneumatics: A reliable choice for diverse pneumatic applications across different industries due to its versatility and durability.

This Festo DSNU-40-400-PPV-A piston rod cylinder is a testament to Festo’s commitment to advancing pneumatic technology, providing a high-performance solution for managing dynamic loads and optimizing industrial processes.

Technical Data

Feature Specification
Stroke 1 mm … 500 mm
Piston diameter 40 mm
Short type code DSNU
Cushioning Elastic cushioning rings/pads at both ends
Self-adjusting pneumatic end-position cushioning
Pneumatic cushioning, adjustable at both ends
Mounting position Any
Design Piston
Piston rod
Cylinder barrel
Position detection For proximity sensor
Variants Extended external thread piston rod
Internal thread on piston rod
Special thread on piston rod
Piston rod with external thread shortened at one end
Extended piston rod
Clamping unit on the piston rod
Axial supply port
With direct mounting
Lateral supply port
Metal scraper
With anti-twist protection
High corrosion protection
Dust protection
Uniform, slow movement
Low friction
Through piston rod
Heat-resistant seals max. 120°C
Piston rod at one end
Protection against torsion/guide Square piston rod
Operating pressure 0.1 MPa … 1 MPa
Operating pressure 1 bar … 10 bar
Mode of operation Double-acting
CE marking (see declaration of conformity) as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity) acc. to UK EX instructions
Explosion protection certification outside the EU EPL Db (GB)
Explosion prevention and protection Zone 1 (ATEX)
Zone 1 (UKEX)
Zone 2 (ATEX)
Zone 21 (ATEX)
Zone 21 (UKEX)
Zone 22 (ATEX)
ATEX category gas II 2G
ATEX category for fust II 2D
Type of ignition protection for gas Ex h IIC T4 Gb
Type of (ignition) protection for dust Ex h IIIC T120°C Db
Explosive ambient temperature -20°C <= Ta <= +60°C
Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4]
Note on operating/pilot medium Lubricated operation possible (required for further use)
Corrosion resistance class (CRC) 2 – Moderate corrosion stress
3 – High corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
VDMA24364 zone III
Ambient temperature -20…120 °C
Cushioning length 18 mm
Theoretical force at 0.6 MPa (6 bar, 87 psi), retracting 633 N
Theoretical force at 0.6 MPa (6 bar, 87 psi), advancing 753 N
Moving mass at 0 mm stroke 230g
Additional moving mass per 10 mm stroke 16g
Basic weight with 0 mm stroke 661g
Additional weight per 10 mm stroke 24g
Type of mounting With accessories
Pneumatic connection G1/4
Note on materials RoHS-compliant
Cover material Wrought aluminum alloy
Seal material NBR
Piston rod material High-alloy stainless steel
Material of cylinder barrel High-alloy stainless steel