dsnu-12- -

Name: dsnu-12- -
Brand: FESTO
SKU: dsnu-12- -

The Festo DSNU-12-25-P-A is a double-acting pneumatic cylinder designed for precise movement in both forward and backward directions. It offers flexible end-position cushioning, durable nitrile rubber seals, and a wide operating pressure range of 1.5 to 10 bar.

Product Modeldsnu-12- -

Material Number193988

Product ID7874

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Compact Design and LightweightThe Festo DSNU-12-25-P-A is designed with compact dimensions and weighs only 85g, making it an efficient addition to any setup.
2
Flexible End-Position CushioningEquipped with elastomer cushioning, this cylinder minimizes impact and reduces the potential for vibration and errors, ensuring smooth operation.
3
Durable Nitrile Rubber SealsThe use of durable nitrile rubber seals ensures minimal risk of pressure loss, providing reliable performance in demanding pneumatic circuits.
4
Wide Operating Pressure RangeThe cylinder operates effectively within a wide pressure range of 1.5 to 10 bar, making it suitable for various applications.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Stroke

1mm 200mm

Piston diameter

12 mm

Cushioning

Elastic cushioning rings/pads at both ends 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

Easy Installation and No Adjustment NeededThis cylinder requires no adjustment, saving time and effort during installation. Its simple design ensures quick and hassle-free setup.

Position sensing

For proximity sensor

Variants

Increased chemical resistance Extended external thread 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

1.5bar 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

0.07J

Theoretical force at 6 bar, advancing

51N 68N

Type of mounting

With accessories

Pneumatic connection

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

193988