Airtac ACE Compact Cylinder ACE50X125
The AirTAC Airtac ACE Compact Cylinder ACE50X125 is a genuine double acting ISO 21287 compact air cylinder with a Ø50mm bore and 125mm stroke, 1/8" 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.
- BoreØ50 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.5
- 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 ACE50X125
This AirTAC ACE50X125 is a double acting compact cylinder with a 50 mm bore and 125 mm stroke, delivering 981.7 N of push force at 0.5 MPa. Its ISO 21287 short body takes up about 50% less mounting length than an ISO 15552 profile cylinder, making it a fit for tight machine frames and guarding where a full-length unit will not go.
With a 16 mm hard-chrome plated S45C rod and a hard-anodized aluminium body, this unit is built for repeated cycling. Since it has no -S code, there is no magnet inside, so CMSE or DMSE sensors cannot be used unless you order the optional -S version. For a real-world load, plan on roughly 60 kg of safe vertical lift at 0.5 MPa, which is about 60% of the rated push force, leaving a margin for friction and acceleration.
Airtac ACE Compact Cylinder ACE50X125 Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE50X125 |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 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 ACE50X125
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 50 | 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 ACE50X125 Is Used
Fixture Clamping
Use the ACE50X125 to clamp a 50 kg workpiece in a CNC milling fixture, where the 981.7 N push at 0.5 MPa holds the part firmly during cutting and the short body fits under a low guard.
Carton Tamping
In a packaging line, this cylinder can tamp down folded cardboard boxes before sealing, with a 125 mm stroke to reach into the box and a compact body that mounts inside the machine frame.
Stop Gate
Mount the ACE50X125 on a conveyor to raise and lower a stop gate, where the 881.2 N pull at 0.5 MPa retracts the gate quickly and the fixed TPU bumper absorbs the end-of-stroke impact at speeds up to 500 mm/s.
Is the Airtac ACE Compact Cylinder ACE50X125 the Right Cylinder?
For a lighter duty in the same compact format, the ACE40X125 offers 628.3 N push at 0.5 MPa, while stepping up to the ACE63X125 gives you 1558.6 N push at the same pressure. The 1/8" port suits standard fittings, and the female M10x1.5 rod thread accepts common clevis or knuckle attachments. If you need position sensing, choose the -S option to add the magnet; without it, no reed or solid-state switch can be mounted. This cylinder does not hold a load when air pressure is removed, so for vertical lifting with a suspended part, add an external rod lock or pilot check valve.
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 ACE50X125 FAQ
At 0.5 MPa, the push force is 981.7 N and the pull force is 881.2 N. At 0.7 MPa, push is 1374.4 N and pull is 1233.7 N. The theoretical maximum force is 200.2 kgf at 1.0 MPa. Operating pressure range is 0.15-1.0 MPa (22-145 psi), with a proof pressure of 1.5 MPa (215 psi).
Yes, the ACE50X125 follows ISO 21287, so its body is about 50% shorter than an ISO 15552 profile cylinder, saving space in tight mounts. It has a fixed TPU bumper at both ends, not an adjustable cushion. The magnet is optional - order the -S code to enable CMSE or DMSE switches; this standard version has no magnet and cannot be sensed.
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