DFM-20-40-P-A-KF-F1A

Product ID:516199
Updated: 2026/5/29
Festo DFM-20-40-P-A-KF-F1A

Key Features

  • 1Piston diameter: 20 mm
  • 2Theoretical force at 6 bar, advancing stroke: 188 N
  • 3Stroke: 40 mm
  • 4Cushioning: Elastic cushioning rings/plates at both ends
  • 5Position detection: Via proximity switch
Product Details
DFM-20-40-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
M5
Spare port
See product drawing
Moving mass center of gravity as a function of stroke
34.6 mm
Product weight
981 g
Moving mass
488 g
Theoretical force at 6 bar, advancing stroke
188 N
Theoretical force at 6 bar, return stroke
141 N
Max. effective payload depending on stroke at specified distance xs
108 N
Max. permissible torque load Mx as a function of stroke
4.64 Nm
Max. torque Mz, static
18.87 Nm
Max. torque Mz
15.11 Nm
Max. torque My, static
18.87 Nm
Max. torque My
15.11 Nm
Max. torque Mx, static
29.58 Nm
Max. torque Mx
23.69 Nm
Max. force Fz, static
1020 N
Max. force Fz
817 N
Max. force Fy, static
1020 N
Max. force Fy
817 N
Impact energy at end positions
0.2 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 media (subsequent lubricated operation is mandatory)
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
2 / 10 bar
Variant
Metals with copper, zinc or nickel as main components are not used. Exceptions: nickel 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
Mounting plate
Piston diameter
20 mm
Stroke
40 mm
Distance xs from load center of gravity to the mounting plate
50 mm

Specifications may be subject to change without notice