
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED32X125SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø32mm 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.
A double acting, double-rod compact cylinder built to ISO 21287, the ACED32X125SB pushes a 12 mm hard-chrome rod out of BOTH covers, so thrust is identical on each stroke: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa. The male rod thread (B code) suits external nuts and knuckles, and the 1/8" PT port feeds air filtered to 40 um across a 0.15-1.0 MPa (22-145 psi) operating band.
The short hard-anodized aluminium body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which matters on a 125 mm stroke inside a tight fixture. Plan on roughly 207 N of usable work at 0.5 MPa, about 21 kg of vertical force with margin. The through-rod resists rotation and side load, the rear rod can carry a sensor flag, and the fitted -S magnet lets CMSE / DMSE switches report position. Speed range is 30-500 mm/s with a fixed TPU bumper at each end.
| Model | Airtac ACED Double-acting Compact Cylinder ACED32X125SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 200 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 | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 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). |
|---|---|
| 32 | 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.
The through-rod drives a slide equally in both directions at 345.6 N per stroke, ideal for shuttling PCB trays between two conveyor stops on a 125 mm pitch.
With the fitted magnet and CMSE switches on both ends, a machining fixture confirms open and closed clamp states before the spindle starts.
A rear rod on a packaging machine's web-tension arm mirrors the front rod, giving balanced 483.8 N forces at 0.7 MPa without a second cylinder.
At 345.6 N per side, this bore sits between the 25 mm size (206.2 N at 0.5 MPa) and the 40 mm size (571.8 N at 0.5 MPa), so pick it when 25 mm is marginal and 40 mm is oversized. The 125 mm stroke is inside the 200 mm standard range for bore 32, so no made-to-order build is needed. FA/FB flanges, LB feet and FTC brackets bolt to the ISO 21287 face, and I/Y rod knuckles suit the male thread. Because the piston drifts when air is lost, add a rod lock or pilot check if the load must stay put.
Quick checklist
Because a rod exits both covers, output is equal both ways: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa on each stroke, peaking at 70.5 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, and speed runs 30-500 mm/s.
The ISO 21287 body is roughly 50% shorter in mounting length than an ISO 15552 profile cylinder, so a 125 mm stroke fits shallow gantries. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches can be clipped anywhere along the body slots; a fixed TPU bumper at each end absorbs end-of-stroke shock.
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