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AirTAC ACED Series · ISO 21287 Compact Cylinder

Airtac ACED Double-acting Compact Cylinder ACED25X5B

The AirTAC Airtac ACED Double-acting Compact Cylinder ACED25X5B is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø25mm bore and 5mm 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
  • Stroke5 mm
  • Port sizeM5×0.8
  • Acting typeDouble acting, double rod
  • Rod threadM6×1.0
  • CushionFixed TPU bumper (both ends)
$36.90 $43.08Save 14% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac ACED Double-acting Compact Cylinder ACED25X5B

A double acting compact cylinder built to ISO 21287, the ACED25X5B pushes a 10 mm hard-chrome rod out of BOTH covers, so thrust is identical on every stroke: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa. The 5 mm stroke suits short indexing moves and clamping ticks where travel is minimal but repeatability matters. Air supply is 0.15-1.0 MPa (22-145 psi), speed runs 30-500 mm/s, and the M5x0.8 ports take 40 um filtered air.

The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixture plates and machine guards. A hard-anodized aluminium body pairs with an S45C carbon-steel rod, and a fixed TPU bumper at each end absorbs end-of-stroke shock. The B code gives a MALE rod thread, and the through-rod resists rotation so the back-end rod can carry a sensor flag. At 0.5 MPa the 206.2 N rating works out to roughly 21 kg of vertical lift; halve that for a 2:1 margin and plan on lifting about 10 kg.

Airtac ACED Double-acting Compact Cylinder ACED25X5B Technical Specifications

ModelAirtac ACED Double-acting Compact Cylinder ACED25X5B
SeriesACED compact cylinder
StandardISO 21287
Bore sizeØ25 mm
Stroke5 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 ACED25X5B

ACEDISO 21287 compact cylinder (double-rod).
25Bore size in mm.
×5Stroke 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 ACED25X5B Is Used

compress

Micro clamping on CNC fixtures

A 5 mm stroke is ideal for a short clamp tick on a milling jig, and the 206.2 N through-rod push holds small aluminium parts square without over-squeezing.

sensors

Presence check with a back-end flag

Mount a flag on the rear rod and, with the optional -S magnet, a CMSE or DMSE switch on the body to confirm a part seated in an assembly nest.

precision_manufacturing

Eject pin on a compact module

The short body, about 50% shorter than an ISO 15552 profile cylinder, lets the ACED25X5B kick finished chips or pins off a conveyor transfer plate inside a tight guard.

Is the Airtac ACED Double-acting Compact Cylinder ACED25X5B the Right Cylinder?

At 206.2 N per direction 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 to 32 if your clamp needs more than about 20 kg of push. The 5 mm stroke is well inside the 150 mm maximum standard stroke for bore 25. Remember the piston drifts when air is lost - for a held load add a rod lock or pilot check. Mount with FA/FB flange, LB foot or FTC brackets plus I/Y rod knuckles on the ISO 21287 face, and order the -S code if you want the optional magnet for CMSE / DMSE switches; without -S there is no magnet.

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 ACED25X5B FAQ

Yes - a rod exits both covers, so both strokes use the rod-side area. Output is 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa in EACH direction, with a maximum of 42.0 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, port M5x0.8.

It is an ISO 21287 compact cylinder whose hard-anodized aluminium body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end to absorb end-of-stroke shock. Sensing is not fitted as standard: order the -S code to get the optional magnet, then snap CMSE or DMSE switches into the body slots. FA/FB flange, LB foot and FTC mounts plus I/Y knuckles bolt straight on.

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