DFM-25-20-P-A-KF-F1A

Product ID:516210
Updated: 2026/5/29
Festo DFM-25-20-P-A-KF-F1A

Key Features

  • 1Piston diameter: 25 mm
  • 2Theoretical force at 6 bar, forward stroke: 295 N
  • 3Stroke: 20 mm
  • 4Cushioning: Elastic cushioning rings/plates at both ends
  • 5Position detection: Via proximity switch
Product Details
DFM-25-20-P-A-KF-F1A
Festo

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Piston rod material
High-alloy stainless steel
Housing material
Wrought aluminium alloy
Seal material
NBR
Cover material
Wrought aluminium alloy
Material note
RoHS compliant
Pneumatic connection
G1/8
Spare ports
See product drawing
Moving mass centre as a function of stroke
24.6 mm
Product weight
1173 g
Moving mass
595 g
Theoretical force at 6 bar, forward stroke
295 N
Theoretical force at 6 bar, return stroke
247 N
Max. effective payload depending on stroke at specified distance xs
110 N
Max. permissible torque load Mx as a function of stroke
6.14 Nm
Max. torque Mz, static
15.37 Nm
Max. moment Mz
12.52 Nm
Max. torque My, static
15.37 Nm
Max. moment My
12.52 Nm
Max. torque Mx, static
36.04 Nm
Max. moment Mx
29.35 Nm
Max. force Fz, static
1060 N
Max. force Fz
863 N
Max. force Fy, static
1060 N
Max. force Fy
863 N
Impact energy at end positions
0.3 J
Ambient temperature
-5 / 60 °C
Cleanroom suitability according to ISO 14644-14
Class 6, conforming to ISO 14644-1
Suitable for lithium-ion battery production
Suitable for battery production with reduced copper/zinc/nickel values (F1a)
Paint-wetting impairment substances (PWIS) conformity
VDMA24364-B1/B2-L
Corrosion resistance class CRC
0 - No corrosion resistance
Operating and pilot medium note
Can be operated with lubricated medium (subsequent lubrication required)
Operating medium
Compressed air conforming to ISO 8573-1:2010 [7:4:4]
Operating mode
Double-acting
Max. speed
0.8 m/s
Operating pressure
1.5 / 10 bar
Variant
Metals containing copper, zinc or nickel as main components are not used. Exceptions: nickel content in steel, electroless nickel-plated surfaces, printed circuit boards, cables, electrical connectors and coils.
Symbol
00991737
Position detection
Via proximity switch
Design feature
Guide
Guide
Recirculating ball bearing guide
Mounting position
Optional
Cushioning
Elastic cushioning rings/plates at both ends
Operating mode, drive unit
Connection plate
Piston diameter
25 mm
Stroke
20 mm
Distance xs from load centre to connection plate
50 mm

Specifications may be subject to change without notice