
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED25X35 is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø25mm bore and 35mm stroke, M5×0.8 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.
The ACED25X35 is a double acting compact cylinder built to ISO 21287 with a piston rod leaving BOTH covers, so the 25 mm bore delivers the same 206.2 N at 0.5 MPa (288.6 N at 0.7 MPa) on every stroke - the rod-side area works in both directions. The through-rod resists rotation and light side load, and the rear rod stub can carry a sensor flag or a second tooling plate. Air supply is 0.15-1.0 MPa (22-145 psi), speed range 30-500 mm/s.
The hard-anodized aluminium body with a hard-chrome plated S45C rod runs a fixed TPU bumper at each end for end-of-stroke deceleration. The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so this 35 mm stroke unit slots into tight fixtures and sliding guards. At 0.5 MPa plan on roughly 124 N of usable push force, which lifts about 10 kg vertically with a 2:1 margin. FA/FB flange, LB foot and FTC brackets bolt straight to the standard face.
| Model | Airtac ACED Double-acting Compact Cylinder ACED25X35 |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 35 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 150 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 | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 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). |
|---|---|
| 25 | Bore size in mm. |
| ×35 | 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 symmetric 206.2 N output at 0.5 MPa suits pressing dowel pins or bushings into aluminium housings on a bench fixture, where equal force on approach and return keeps the part seated.
With a rod on both covers, the 35 mm stroke can drive a slide from either face on a PCB tray indexer, and the rear rod stub carries a flag for a proximity sensor.
About 10 kg of vertical lift capacity with a 2:1 margin at 0.5 MPa raises a small guarding lid or filler-head cover, with the TPU bumper softening each end of travel.
Size between the ACED20X35 (117.8 N at 0.5 MPa) and the ACED32X35 (345.6 N at 0.5 MPa): pick this 25 mm bore when your clamp or transfer job needs about 206 N both ways. The 35 mm stroke sits well inside the 150 mm maximum standard stroke for this bore, so it ships as a catalogue item. Remember the piston drifts when air is lost - add a rod lock or pilot check valve if the load must stay put. The rod end is female M6x1.0 and the port is M5x0.8 PT; order the -S code if you later want CMSE / DMSE switches, because this version carries no magnet.
Quick checklist
Because a rod exits both covers, force is equal in both directions: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa on every stroke, with a maximum of 42.0 kgf at 1.0 MPa. In practice plan on roughly 124 N for real work at 0.5 MPa, which lifts about 10 kg vertically with a 2:1 margin. Operating pressure is 0.15-1.0 MPa (22-145 psi) and speed runs 30-500 mm/s.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, and FA/FB flange, LB foot and FTC brackets bolt straight to the standard face. Sensing needs the optional -S magnet code: order ACED25X35S and CMSE / DMSE switches will clamp into the body slots. This base version has no magnet fitted, and the fixed TPU bumpers at both ends only soften end-of-stroke travel.
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