Airtac ACE Compact Cylinder ACE25X40
The AirTAC Airtac ACE Compact Cylinder ACE25X40 is a genuine double acting ISO 21287 compact air cylinder with a Ø25mm bore and 40mm 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
- Stroke40 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACE Compact Cylinder ACE25X40
This AirTAC ACE25X40 is a double acting ISO 21287 compact cylinder with a 25 mm bore and 40 mm stroke. It delivers 245.4 N push and 206.2 N pull at 0.5 MPa, with a theoretical maximum force of 50.1 kgf at 1.0 MPa. The hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder, so it fits into tight automation frames and guarding where a full-length cylinder will not.
A fixed TPU bumper at each end absorbs impact, and the S45C hard-chrome rod resists wear in continuous cycling. For a real application, plan on about 15 kg of safe vertical lift at 0.5 MPa (245.4 N divided by 9.81, then halved for a 2:1 margin). This model has a female M6x1.0 rod thread and an M5x0.8 port; the optional -S magnet is not fitted, so CMSE or DMSE sensors cannot be mounted without ordering that code.
Airtac ACE Compact Cylinder ACE25X40 Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE25X40 |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 40 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.
Theoretical Output Force (Ø25mm)
| 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.
Model Code: Airtac ACE Compact Cylinder ACE25X40
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×40 | 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.
Where the Airtac ACE Compact Cylinder ACE25X40 Is Used
PCB Assembly Press
Use the 245.4 N push at 0.5 MPa to press small connectors into printed circuit boards on a benchtop fixture, where the short body fits under a guard.
Small-Part Stop Gate
Mount with an LB foot bracket to stop lightweight cartons on a conveyor. The 40 mm stroke retracts quickly to let parts pass, and the TPU bumper handles frequent cycling.
Lab Syringe Actuator
Drive a 10 mL syringe in a fluid-dispensing rig. The 206.2 N pull at 0.5 MPa retracts the plunger reliably, and the M5x0.8 port connects to standard lab air lines.
Is the Airtac ACE Compact Cylinder ACE25X40 the Right Cylinder?
For lighter loads, the ACE20X40 offers 157.1 N push at 0.5 MPa, while the ACE32X40 steps up to 402.1 N push. This 25 mm bore suits medium-duty pick-and-place and clamping tasks. Since the stroke is 40 mm, well under the 150 mm maximum standard stroke, it is a standard item. Remember that without the -S magnet, no sensor feedback is possible; order ACE25X40S if you need position sensing. Mounting options like FA/FB flanges or LB foot brackets bolt directly to the ISO 21287 face, simplifying integration into existing fixtures.
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)
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 ACE25X40 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 range is 0.15-1.0 MPa (22-145 psi), and proof pressure is 1.5 MPa (215 psi).
Only if you order the -S option, which adds a magnet for CMSE or DMSE switches. This ACE25X40 has no magnet, so no sensor can detect the piston position. The body has magnet slots, but the magnet itself is optional. The fixed TPU bumper absorbs end-of-stroke impact but does not lock the rod in place.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac ACE Compact Cylinder ACE25X40
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.