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AirTAC ACE Series · ISO 21287 Compact Cylinder

Airtac ACE Compact Cylinder ACE25X75B

The AirTAC Airtac ACE Compact Cylinder ACE25X75B is a genuine double acting ISO 21287 compact air cylinder with a Ø25mm bore and 75mm 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
  • Stroke75 mm
  • Port sizeM5×0.8
  • Acting typeDouble acting
  • Rod threadM6×1.0
  • CushionFixed TPU bumper (both ends)
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About the Airtac ACE Compact Cylinder ACE25X75B

This AirTAC ACE25X75B is a double acting compact cylinder built to ISO 21287, with a 25 mm bore and a 75 mm stroke. It delivers 245.4 N of push force at 0.5 MPa, so it suits light assembly and clamping tasks where a full-size cylinder is overkill.

The hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder, which lets it fit inside tight machine guards and compact jigs. The male rod thread (B code) simplifies mounting, and the fixed TPU bumper absorbs end-of-stroke impact. For a safe working load, plan for about 15 kg of real work at 0.5 MPa, not the full rating.

Airtac ACE Compact Cylinder ACE25X75B Technical Specifications

ModelAirtac ACE Compact Cylinder ACE25X75B
SeriesACE compact cylinder
StandardISO 21287
Bore sizeØ25 mm
Stroke75 mm
Acting typeDouble acting
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)

PressurePush forcePull force
0.5 MPa245 N206 N
0.7 MPa344 N289 N
Max (@1.0 MPa)50 kgf

Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.

Model Code: Airtac ACE Compact Cylinder ACE25X75B

ACEISO 21287 compact cylinder (double-acting).
25Bore size in mm.
×75Stroke 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 ACE Compact Cylinder ACE25X75B Is Used

precision_manufacturing

Fixture Clamping

Use in a benchtop fixture to clamp small plastic housings during drilling or gluing, with 245.4 N push holding parts firmly.

packaging

Label Applicator

Drive a label tamp head on a packaging line, where the 75 mm stroke cycles quickly and the compact body fits under a conveyor guard.

engineering

Gate Stop

Actuate a stop pin on a light conveyor to separate parts, relying on the 206.2 N pull force to retract the rod reliably.

Is the Airtac ACE Compact Cylinder ACE25X75B the Right Cylinder?

For a lighter load, the ACE20X75 offers 157.1 N push at 0.5 MPa, while the ACE32X75 steps up to 402.1 N push. This 25 mm bore is a middle ground for moderate forces in small spaces. Since the -S magnet is not ordered, no CMSE or DMSE sensor can be mounted; order the -S code if you need position sensing. The M5x0.8 port is standard for this bore size.

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 ACE Compact Cylinder ACE25X75B FAQ

At 0.5 MPa, push is 245.4 N and pull is 206.2 N. At 0.7 MPa, push rises to 343.6 N and pull to 288.6 N. The theoretical maximum force is 50.1 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi).

The ISO 21287 compact design saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits in tight spaces. The fixed TPU bumper at both ends absorbs end-of-stroke impact but does not lock or hold a load; use a rod lock or pilot check valve for that.

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