
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED25X80S is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø25mm bore and 80mm 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 ACED25X80S is a double acting, double-rod compact cylinder built to ISO 21287: a piston rod leaves both covers, so the 25 mm bore delivers an equal 206.2 N in each direction at 0.5 MPa (288.6 N at 0.7 MPa), because both strokes work on the rod-side area. The hard-anodized aluminium body is about 50% shorter in mounting length than an ISO 15552 profile cylinder, so it slots into tight jigs, guards and gantry frames where a full-length body will not fit.
The through-rod resists rotation and side load and gives a symmetric mount, while the rear rod can carry a sensor flag on a pick-and-place arm. A fixed TPU bumper at each end absorbs end-of-stroke energy, and the S code means the magnet is already fitted, so CMSE or DMSE reed and solid-state switches mount directly in the body slots. As a rule of thumb, plan on about 124 N of usable work at 0.5 MPa, which is roughly 6 kg of vertical lift with a 2:1 margin.
| Model | Airtac ACED Double-acting Compact Cylinder ACED25X80S |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 80 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. |
| ×80 | 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.
Equal 206.2 N force in both directions lets one cylinder clamp and unclamp a machined blank on a pallet changer without swapping push-side and pull-side plumbing.
The through-rod keeps the pusher blade square under side load while the fitted magnet and a DMSE switch confirm home and extended positions between bottles.
With about 6 kg of vertical lift at a 2:1 margin, the 80 mm stroke raises and lowers a 96-well sample tray inside a compact analyzer housing.
At 206.2 N per direction, this 25 mm unit sits between the 20 mm bore (117.8 N) and the 32 mm bore (345.6 N) at 0.5 MPa, so choose down if your part weighs under about 6 kg lifted and up if clamping forces climb past 200 N. The 80 mm stroke is well inside the 150 mm maximum standard stroke for this bore, so it ships as a catalog item. Remember that a plain double-rod cylinder will drift if air is lost; add a rod lock or pilot check valve for a held load. Female M6x1.0 rod thread, PT ports, and FA/FB flange, LB foot or FTC brackets bolt straight to the ISO 21287 face.
Quick checklist
Yes. Because a rod exits both covers, both strokes use the rod-side area of the 25 mm bore: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa, identical push and pull. At 1.0 MPa the peak output is 42.0 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed range 30-500 mm/s, air filtered to 40 um.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, freeing space in tight gantries and slides. The S code means the magnet is fitted on this model, so CMSE or DMSE reed or solid-state switches clip into the body slots for end-of-stroke signaling. A fixed TPU bumper at each end absorbs end-of-stroke energy, and FA/FB flange, LB foot or FTC brackets mount directly to the standard face.
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