
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED32X125B 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 compact cylinder with a rod leaving BOTH covers, the ACED32X125B delivers 345.6 N in each direction at 0.5 MPa (483.8 N at 0.7 MPa) because both strokes work on the rod-side area of its 32 mm bore. The B code gives a male rod thread on each end, so a sensor flag can ride the rear rod while the front rod does the work. Air supply is 0.15-1.0 MPa (22-145 psi), proof pressure is 1.5 MPa (215 psi), and speed runs 30-500 mm/s.
The hard-anodized aluminium body with an S45C hard-chrome rod is an ISO 21287 short build that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slides into tight machine frames. A fixed TPU bumper at each end tames end-of-stroke shock. Plan on roughly 207 N of real work at 0.5 MPa, which is about 21 kg of usable vertical lift, or around 17 kg with a 2:1 margin. Note: with no magnet fitted, position sensing needs the optional -S code for CMSE / DMSE switches.
| Model | Airtac ACED Double-acting Compact Cylinder ACED32X125B |
|---|---|
| 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 equal 345.6 N push and pull at 0.5 MPa clamps a machined aluminum bracket from either side of a CNC jig, with the rear rod carrying a position flag.
A 125 mm stroke drives a small parts shuttle back and forth on an assembly bench at 30-500 mm/s, with identical force in both travel directions.
Both rods eject off-spec cartons from a packaging conveyor lane, the through-rod resisting the side load of the product stream.
At 345.6 N per direction this 32 mm 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); pick the 25 mm for lighter clamps, the 40 mm for heavier pressing. The 125 mm stroke is within the 200 mm standard range for this bore. Mounting drops onto the ISO 21287 face: FA/FB flange, LB foot or FTC brackets, with I and Y rod knuckles for the through-rod. Because a plain double-rod cylinder drifts when air is lost, add a rod lock or pilot check if the load must stay put. Order the -S code if CMSE / DMSE switch positions are needed.
Quick checklist
Yes. As a double-rod cylinder both strokes use the rod-side area of the 32 mm bore, so force is equal each way: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa, with a maximum of 70.5 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi) and proof pressure is 1.5 MPa (215 psi).
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, and FA/FB flanges, LB foot or FTC brackets bolt straight to its face. This unit has no magnet fitted; order the -S version to enable CMSE / DMSE switches. A fixed TPU bumper at each end absorbs end-of-stroke impact, and the male rod thread (B code) suits knuckle or tooling attachments.
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