
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED125X175SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø125mm bore and 175mm 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.
A double acting, double-rod compact cylinder built to ISO 21287, the ACED125X175SB pushes a 25 mm hard-chrome S45C rod out of BOTH covers, so thrust is identical on every stroke: 5890.5 N at 0.5 MPa and 8246.7 N at 0.7 MPa, in either direction. The 125 mm bore sits at the top of the range, and the 175 mm stroke stays well inside the 300 mm standard limit for this bore.
The short hard-anodized aluminium body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which matters when a 125 mm bore press or clamp must fit inside a guarded weld cell. The through-rod resists rotation and side load, and the rear rod can carry a sensor flag or a second tool. This -S model carries the optional magnet, so CMSE / DMSE switches mount straight on the body slots. Plan on roughly 3534 N (about 360 kg) of usable vertical load at 0.5 MPa rather than the full rating, or about 300 kg with a 2:1 lift margin.
| Model | Airtac ACED Double-acting Compact Cylinder ACED125X175SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø125 mm |
| Stroke | 175 mm |
| Acting type | Double acting, double rod |
| Port size | 1/4" |
| Rod thread | M16×2.0 |
| 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 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.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 5890 N |
| 0.7 MPa | 8247 N |
| Max (@1.0 MPa) | 1201 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| ACED | ISO 21287 compact cylinder (double-rod). |
|---|---|
| 125 | Bore size in mm. |
| ×175 | 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.
5890.5 N at 0.5 MPa seats large bearings or bushings into housings on an automotive assembly line, with equal return force so the part is pulled back off the mandrel at the same rating.
The short ISO 21287 body fits where a full-length profile cylinder will not, and the rear rod drives a second clamp or a flag for position checking inside the fixture.
Symmetric double-rod thrust squares pallets or totes sideways at up to 500 mm/s, with the through-rod keeping the push plate square under off-centre loads.
Size against neighbours: a 100 mm bore double-rod unit gives 3769.9 N at 0.5 MPa, while stepping up past 125 mm is not available in this series, so 5890.5 N is the ceiling. If the job needs a non-rotating rod under torque, look at the TACED; for a tunable stroke, the ACEJ. Remember that a plain double-rod cylinder drifts when air is lost - add a rod lock or pilot check for a held load. Mount with FA/FB flanges, LB feet or FTC brackets plus I/Y rod knuckles on the ISO 21287 face; PT ports, male rod thread (B code), and this unit already includes the -S magnet for CMSE / DMSE sensing.
Quick checklist
Yes - it is a double-rod cylinder, so both strokes use the rod-side area. Output is 5890.5 N at 0.5 MPa and 8246.7 N at 0.7 MPa, equal push and pull, with a maximum of 1201.3 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-500 mm/s.
It is a compact ISO 21287 cylinder with a hard-anodized aluminium body, about 50% shorter in mounting length than an ISO 15552 profile cylinder, with a fixed TPU bumper at each end that only decelerates the piston. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches mount in the body slots. It does not hold position on air loss - specify a rod lock or pilot check for a suspended load.
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