
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.
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.
| Model | Airtac ACE Compact Cylinder ACE25X75B |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 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.
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
| B | Rod 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.
Use in a benchtop fixture to clamp small plastic housings during drilling or gluing, with 245.4 N push holding parts firmly.
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.
Actuate a stop pin on a light conveyor to separate parts, relying on the 206.2 N pull force to retract the rod reliably.
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
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.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.