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Datasheet generated 2026-10-07
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Festo DFM Guide Cylinder - 25mm, G1/8, 40mm, DFM-25-40-P-A-GF

Festo · Pneumatics · Pneumatic Cylinders · Germany · festo.com
Part Number
170850  ·  HS 8412.31
Festo DFM Guide Cylinder - 25mm, G1/8, 40mm, DFM-25-40-P-A-GF

Festo DFM Guide Cylinder. Pneumatic ISO compact air cylinders (Technique / Pneumatics / Pneumatic Cylinders). Principal data: piston diameter 25 mm, port size G1/8, stroke rate 40 mm, supplier type designation DFM-25-40-P-A-GF. Supplied under manufacturer part number 170850, EAN 4052568139728, HS code 8412.31, country of origin Germany.

Technical Specifications

Distance from centre of gravity of load to yoke plate xs50 mm
Stroke40 mm
Piston diameter25 mm
Operating mode, drive unitYoke
CushioningElastic cushioning rings/plates at both ends
Mounting positionAny
GuidePlain-bearing guide
DesignGuidance
Position detectionVia proximity switch
Symbol00991737
Operating pressure0.15 ... 1 MPa (1.5 ... 10 bar)
Max. speed0.8 m/s
Mode of operationDouble-acting
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
LABS (PWIS) conformityVDMA24364-B1/B2-L
Cleanroom suitability, measured according to ISO 14644-14Class 6 according to ISO 14644-1
Ambient temperature-20 ... 80 °C
Impact energy in end positions0.3 J
Max. force Fy810.7 N
Max. force Fy static810.7 N
Max. force Fz810.7 N
Max. force Fz static810.7 N
Max. moment Mx27.56 Nm
Max. torque Mx static27.56 Nm
Max. moment My19.46 Nm
Max. torque My static19.46 Nm
Max. moment Mz19.46 Nm
Max. torque Mz static19.46 Nm
Max. permissible torque load Mx as a function of stroke5.76 Nm
Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke247 N
Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke295 N
Moving mass755 g
Product weight1515 g
alternative connectionsSee product drawing
Pneumatic connectionG1/8
Material coverWrought aluminium alloy
Material sealsNBR
Material housingWrought aluminium alloy
Material piston rodHigh-alloy stainless steel
EAN / GTIN4052568139728
Festo type codeDFM-25-40-P-A-GF
Festo order number170850
Product typePneumatic ISO compact air cylinders
Product groupPneumatics
Port SizeG1/8
Carbon footprint (EPD)30.6733 kg CO2e per pcs
Country of originGermany
Customs tariff code (EU CN)84123100
HS code8412.31
Manufacturer part number170850

Properties

MOQ1

Cross-References

Attached Documents