Airtac ACE Compact Cylinder ACE80X125SB
The AirTAC Airtac ACE Compact Cylinder ACE80X125SB is a genuine double acting ISO 21287 compact air cylinder with a Ø80mm bore and 125mm stroke, 1/4" 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.
- BoreØ80 mm
- Stroke125 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.75
- 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 ACE80X125SB
This AirTAC ACE80X125SB is a double acting compact cylinder built to ISO 21287, with a hard-anodized aluminium body and a hard-chrome plated S45C steel rod. It delivers 2513.3 N of push force and 2356.2 N of pull force at 0.5 MPa, and at 0.7 MPa the push rises to 3518.6 N, making it a strong choice for mid-size automation tasks.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into tight machine frames and guarding where a longer cylinder will not. The optional -S magnet is fitted on this unit, so CMSE or DMSE reed and solid-state switches can be mounted directly to sense the piston position. As a practical rule, plan for about 1508 N of real work at 0.5 MPa, which is roughly 154 kg of vertical lift with a 2:1 safety margin, so you can match it to actual part weights.
Airtac ACE Compact Cylinder ACE80X125SB Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE80X125SB |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø80 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M12×1.75 |
| 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 300 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2356 N |
| 0.7 MPa | 3519 N | 3299 N |
| Max (@1.0 MPa) | 513 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 ACE80X125SB
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 80 | Bore size in mm. |
| ×125 | 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 ACE80X125SB Is Used
CNC Door Clamp
Mount this 80 mm bore cylinder on a CNC machine guard door to clamp it shut during machining cycles. The 2513.3 N push at 0.5 MPa holds the door firmly, and the compact body fits within the machine frame envelope.
Carton Ejector
Use in a packaging line to push filled cartons off a conveyor onto a chute. The 125 mm stroke provides enough travel to clear the belt, while the 2356.2 N pull retracts the rod quickly for the next cycle.
Fixture Lift Assist
In a welding jig, this cylinder can lift a 150 kg fixture plate vertically for loading and unloading. The 3518.6 N push at 0.7 MPa gives ample margin, and the ISO 21287 face accepts standard FA or LB brackets for quick installation.
Is the Airtac ACE Compact Cylinder ACE80X125SB the Right Cylinder?
For a lighter load, consider the ACE63X125 with 1558.6 N push at 0.5 MPa, while the ACE100X125 steps up to 3927.0 N push for heavier work. This 80 mm bore model suits applications needing a balance of force and compactness, and the 125 mm stroke fits typical pick-and-place and clamping cycles. The male rod thread (B code) simplifies mounting to custom tooling, and the 1/4" port matches standard air lines. Since the magnet is fitted, you can add CMSE or DMSE switches for position sensing, but remember that a plain ACE does not hold its load if air pressure is lost - use a rod lock or pilot check valve for vertical or safety-critical applications.
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 ACE80X125SB FAQ
At 0.5 MPa, the push force is 2513.3 N and the pull force is 2356.2 N. At 0.7 MPa, the push is 3518.6 N and the pull is 3298.7 N. The theoretical maximum force is 512.6 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa (22-145 psi), with a proof pressure of 1.5 MPa (215 psi).
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into compact jigs and machine guards. The magnet is not standard on all ACE cylinders - it is an optional -S code. This model has the -S magnet fitted, so you can mount CMSE or DMSE reed or solid-state switches for position sensing. The fixed TPU bumper at both ends absorbs end-of-stroke impact, but it does not lock or hold the load.
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