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AirTAC ACED Series · ISO 21287 Compact Cylinder

Airtac ACED Double-acting Compact Cylinder ACED25X35S

The AirTAC Airtac ACED Double-acting Compact Cylinder ACED25X35S is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø25mm bore and 35mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. Its short compact envelope saves about 50% of the mounting length of an ISO 15552 profile cylinder.

  • BoreØ25 mm
  • Stroke35 mm
  • Port sizeM5×0.8
  • Acting typeDouble acting, double rod
  • Rod threadM6×1.0
  • CushionFixed TPU bumper (both ends)
$42.33 $48.87Save 13% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac ACED Double-acting Compact Cylinder ACED25X35S

The ACED25X35S is a double acting, double-rod compact cylinder built to ISO 21287: a piston rod exits both covers, so the 25 mm bore delivers an identical 206.2 N at 0.5 MPa (288.6 N at 0.7 MPa) in each direction. The S in the code means the optional -S magnet is fitted, so CMSE or DMSE reed and solid-state switches can be clipped onto the body slot for end-of-stroke sensing.

The hard-anodized aluminium body with an S45C hard-chrome-plated rod runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), 30-500 mm/s, and carries a fixed TPU bumper at both ends. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into tight jigs and guarding. As a rule of thumb, plan on roughly 123 N of usable work force, and the through-rod will lift about 10 kg vertically with a 2:1 margin.

Airtac ACED Double-acting Compact Cylinder ACED25X35S Technical Specifications

ModelAirtac ACED Double-acting Compact Cylinder ACED25X35S
SeriesACED compact cylinder
StandardISO 21287
Bore sizeØ25 mm
Stroke35 mm
Acting typeDouble acting, double rod
Port sizeM5×0.8
Rod threadM6×1.0
FluidAir (filtered by 40µm element)
Operating pressure0.15 – 1.0 MPa
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Speed range30 – 500 mm/s
CushionFixed TPU bumper (both ends)
Max standard strokeUp to 150 mm

Specifications follow the official AirTAC ACE-series (ISO 21287) datasheet. Body: hard-anodized aluminium alloy; piston rod: S45C carbon steel with hard-chrome plating. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G. A built-in magnet is OPTIONAL — add the -S code to fit CMSE / DMSE position sensors.

Theoretical Output Force (Ø25mm)

PressureForce (both ways)
0.5 MPa206 N
0.7 MPa289 N
Max (@1.0 MPa)42 kgf

Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).

Model Code: Airtac ACED Double-acting Compact Cylinder ACED25X35S

ACEDISO 21287 compact cylinder (double-rod).
25Bore size in mm.
×35Stroke length in mm.
SOptional built-in magnet for CMSE / DMSE sensors (omit for no magnet).
BRod type: B = male thread; blank = female thread.

ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (adjustable stroke), TACE / TACED (non-rotating twin-guide yoke). Mounting accessories: FA / FB flange, LB foot, CA / CB clevis, CR, SDB pivot, FTC; plus I and Y knuckles. Thread PT (blank) / G.

Where the Airtac ACED Double-acting Compact Cylinder ACED25X35S Is Used

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Symmetric clamp on a CNC fixture

The through-rod clamps a machined aluminium housing from both sides with an equal 206.2 N at 0.5 MPa, and the fitted magnet signals clamp-complete to the PLC via a CMSE switch.

conveyor_belt

Pusher on a packaging line

A 35 mm stroke nudges cartons sideways on a conveyor at 30-500 mm/s; the back-end rod carries a sensor flag so the DMSE switch confirms retract without extra hardware.

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Lab pick-and-place slide

The double rod resists rotation on a small vertical lift of about 10 kg with a 2:1 margin, and the compact body fits inside a benchtop gantry where a full-length profile cylinder will not.

Is the Airtac ACED Double-acting Compact Cylinder ACED25X35S the Right Cylinder?

At 206.2 N per side, this 25 mm bore sits between the 20 mm size (117.8 N at 0.5 MPa) and the 32 mm size (345.6 N at 0.5 MPa), so step up if your tooling needs more grip force. The 35 mm stroke is well inside the 150 mm maximum standard stroke for bore 25. Remember that a plain double-rod cylinder drifts when air is lost - add a rod lock or pilot check if the load must stay put. Mount with FA/FB flange, LB foot or FTC brackets and I/Y rod knuckles on the ISO 21287 face; the female M6x1.0 rod thread and PT ports suit standard fittings.

Quick checklist

  • ✓ Required force at your working pressure
  • ✓ Short stroke fits the compact body
  • ✓ Port/thread type (PT / G)
  • ✓ Add -S if you need the magnet for sensors
  • ✓ Rod type (female / male B) & mount (FA/LB/CA)
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Installation & Maintenance Notes

  • check Use clean air filtered to 40µm or finer.
  • check Keep within 0.15 – 1.0 MPa operating pressure.
  • check Compact body: keep the stroke short and avoid side load on the rod.
  • check Do not dismantle the threaded front/back covers.
  • check Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
  • check Installation by qualified personnel per AirTAC docs.

Airtac ACED Double-acting Compact Cylinder ACED25X35S FAQ

The 25 mm double-rod design gives 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa, equal in both directions because both strokes use the rod-side area; at 1.0 MPa the maximum is 42.0 kgf. The -S magnet is fitted on this model, so CMSE or DMSE reed and solid-state switches mount in the body slot. Operating range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, speed 30-500 mm/s, port M5x0.8, female M6x1.0 rod thread.

It is an ISO 21287 compact cylinder whose short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it suits tight jigs, guards and gantries. A fixed TPU bumper at both ends absorbs end-of-stroke energy; it is not adjustable and it never holds or brakes a load, so use a rod lock or pilot check where position must be kept with air off. FA/FB flange, LB foot and FTC brackets plus I/Y knuckles bolt straight to the standard face.

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