dsnu-25- -

Name: dsnu-25- -
Brand: FESTO
SKU: dsnu-25- -

The Festo DSNU-25-250-PPV-A ISO cylinder features adjustable pneumatic cushioning, 25mm piston diameter, and 250mm stroke. Suitable for slow speed operations with high impact energy.

Product Modeldsnu-25- -

Material Number193991

Product ID7876

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Adjustable Pneumatic CushioningThe Festo DSNU-25-250-PPV-A cylinder offers adjustable pneumatic cushioning at both ends, ensuring optimal performance and durability in various operating conditions.
2
High Corrosion ResistanceConstructed with high-alloy stainless steel for the piston rod and cylinder barrel, this cylinder provides excellent corrosion resistance, making it suitable for harsh environments.
3
Precision ControlDesigned to operate at slow speeds, the DSNU-25-250-PPV-A cylinder ensures stick-slip-free motion, providing precise control over the full stroke of the cylinder.
4
Versatile Mounting OptionsThe cylinder allows for optional mounting positions, offering flexibility in installation and integration with various systems.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Stroke

1mm 500mm

Piston diameter

25 mm

Cushioning

Elastic cushioning rings/pads at both ends Self-adjusting pneumatic end-position cushioning Pneumatic cushioning, adjustable at both ends

Mounting position

Any

Conforms to standard

CETOP RP 52 P ISO 6432

Structural design

Piston Piston rod Cylinder barrel

Compliance with International StandardsConforming to ISO 6432 and CETOP RP 52 P standards, this cylinder meets international specifications for pneumatic actuators, ensuring compatibility and reliability in global applications.

Position sensing

For proximity sensor

Variants

Increased chemical resistance 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 With anti-twist protection High corrosion 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

1bar 10bar

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) EPL Gb (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 dust

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]

Information on operating and pilot media

Operation with oil lubrication 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°C 120°C

Impact energy in the end positions

0.3J

Theoretical force at 6 bar, advancing

247N 295N

Type of mounting

With accessories

Pneumatic connection

G1/8

Note on materials

RoHS-compliant

Cover material

Wrought aluminum alloy

Seals material

NBR TPE-U(PU)

Piston rod material

High-alloy stainless steel

Material of cylinder barrel

High-alloy stainless steel

Manufacturer ID

193991