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AirTAC ACE Series · ISO 21287 Compact Cylinder

Airtac ACE Compact Cylinder ACE25X100B

The AirTAC Airtac ACE Compact Cylinder ACE25X100B is a genuine double acting ISO 21287 compact air cylinder with a Ø25mm bore and 100mm 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
  • Stroke100 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 ACE25X100B

This AirTAC ACE25X100B is a double acting ISO 21287 compact cylinder that extends and retracts its 10 mm rod with air pressure. Its 25 mm bore delivers 245.4 N of push force at 0.5 MPa, and the short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into tight machine frames and guarding.

Because the body is hard-anodized aluminium with an S45C hard-chrome rod, it resists wear in continuous cycling. The fixed TPU bumper at each end absorbs impact, and the M5x0.8 port suits small-bore air circuits. For a real workload, plan for about 15 kg of safe vertical lift at 0.5 MPa, which is roughly 60% of the rated push force, leaving a margin for friction and acceleration.

Airtac ACE Compact Cylinder ACE25X100B Technical Specifications

ModelAirtac ACE Compact Cylinder ACE25X100B
SeriesACE compact cylinder
StandardISO 21287
Bore sizeØ25 mm
Stroke100 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 ACE25X100B

ACEISO 21287 compact cylinder (double-acting).
25Bore size in mm.
×100Stroke 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 ACE25X100B Is Used

precision_manufacturing

Fixture Clamping

Use the 245.4 N push at 0.5 MPa to clamp a small aluminum bracket in a CNC fixture, where the compact body fits under a workholding plate.

packaging

Carton Tabbing

Drive a 100 mm stroke to fold and tab a cardboard carton flap on a packaging line, with the fixed TPU bumper preventing end-of-stroke shock.

engineering

Guard Door Stop

Mount on a machine guard to push a light access door open, using the 206.2 N pull force to retract it safely within a 30-500 mm/s speed range.

Is the Airtac ACE Compact Cylinder ACE25X100B the Right Cylinder?

Choose the ACE25X100B when you need a 100 mm stroke in a compact envelope, such as inside a pick-and-place gantry or a guarded cell. It produces 245.4 N push and 206.2 N pull at 0.5 MPa, which is stronger than the ACE20's 157.1 N push but lighter than the ACE32's 402.1 N push, so match it to your actual load. Since this model has no -S magnet, it cannot accept CMSE or DMSE sensors; order the -S version if you need position sensing. The male rod thread (B) simplifies mounting to a clevis or rod end, and the ISO 21287 face accepts FA, LB, or CA brackets.

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 ACE25X100B FAQ

At 0.5 MPa, push is 245.4 N and pull is 206.2 N. At 0.7 MPa, push is 343.6 N and pull is 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), with a proof pressure of 1.5 MPa (215 psi).

The ACE25X100B has a short body that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into confined jigs or behind panels. It uses a fixed TPU bumper at both ends to absorb impact, not an adjustable air cushion, and operates at speeds from 30 to 500 mm/s. The optional -S magnet is not fitted here, so no CMSE or DMSE sensor can be mounted without ordering the -S version.

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