DFM-25-40-P-A-KF-F1A
Product ID:516213
Updated: 2026/5/29

Key Features
- 1Piston diameter: 25 mm
- 2Theoretical force at 6 bar, forward stroke: 295 N
- 3Stroke: 40 mm
- 4Cushioning: Elastic cushioning rings/plates at both ends
- 5Position detection: Via proximity switch
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| 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 |
| Alternative port | See product drawing | Moving mass centre of gravity as a function of stroke | 34.9 mm |
| Product weight | 1411 g | Moving mass | 680 g |
| Theoretical force at 6 bar, forward stroke | 295 N | Theoretical force at 6 bar, return stroke | 247 N |
| Max. effective load dependent on stroke at specified distance xs | 119 N | Max. permissible torque load Mx as a function of stroke | 5.94 Nm |
| Max. torque Mz, static | 20.67 Nm | Max. torque Mz | 16.83 Nm |
| Max. torque My, static | 20.67 Nm | Max. torque My | 16.83 Nm |
| Max. torque Mx, static | 36.04 Nm | Max. torque 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 |
| Note on operating and pilot medium | Can be operated with lubricated medium (subsequently must always be operated with lubricated medium) | 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 | No metals containing copper, zinc or nickel as main components. 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 | Any | Cushioning | Elastic cushioning rings/plates at both ends |
| Operating mode, drive unit | Mounting plate | Piston diameter | 25 mm |
| Stroke | 40 mm | Distance xs from load centre to mounting plate | 50 mm |
Specifications may be subject to change without notice
