We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Red Festo guided actuator in a box

Festo

Festo DFM-12-40-P-A-KF 170903 Guided Actuator

SKU CH-D6JP-TZN15 MPN DFM-12-40-P-A-KF

Guided actuator with 12 mm bore and 40 mm stroke for precise linear motion

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • Precise 12 mm bore for accurate positioning
  • 40 mm stroke enables compact linear motion
  • Guided design prevents side-load deflection
  • Red finish identifies Festo pneumatic components
  • New unit with 3-year parts coverage

Guided Actuator for Precision Motion

The Festo DFM-12-40-P-A-KF 170903 is a guided actuator designed for controlled linear movement in automation tasks. It suits engineers and technicians who need repeatable positioning in machine building or test equipment setups. The unit arrives new in a single pack with a red finish.

Upgrade from Basic Cylinders

This actuator replaces simpler pneumatic cylinders when side-load resistance and non-rotation accuracy are required. The integrated guide rods handle moment loads that would bend a standard piston rod. The jump is worth it when the application demands guided travel without adding external rails.

Sustained Operation Stability

Under continuous cycling the guided design maintains alignment and reduces wear on seals and bearings. The robust construction supports consistent stroke execution over long runs. The unit is sold as a single box with a three-year parts and one-year labor coverage period.

Highlights

  • Precise 12 mm bore for accurate positioning
  • 40 mm stroke enables compact linear motion
  • Guided design prevents side-load deflection
  • Red finish identifies Festo pneumatic components
  • New unit with 3-year parts coverage

Specifications

BrandFESTO
ModelDFM-12-40-P-A-KF
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

What mounting pattern does the DFM-12-40-P-A-KF guided actuator use?

The DFM-12-40-P-A-KF guided actuator mounts using its standard body mounting holes and the guided rod flange; ensure the mounting surface is flat and rigid to prevent binding.

What is the common installation mistake with the DFM-12-40-P-A-KF guided actuator?

A common mistake is pressurising the actuator before aligning the guide rods with the load, which can bend the rods; always align and secure the load first.

Which wear parts on the DFM-12-40-P-A-KF guided actuator need periodic replacement?

The piston seals, guide bushings and wiper seals are the primary wear items; inspect them at regular intervals and replace if leakage or excess play appears.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.