
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED50X250 is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø50mm bore and 250mm 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 ISO 21287 compact cylinder with a rod leaving both covers, the ACED50X250 delivers 881.2 N at 0.5 MPa in either direction, because both strokes work on the rod-side area. The 50 mm bore reaches 1233.7 N at 0.7 MPa, and the 250 mm stroke sits at the top of the standard range for this bore. Its hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder of the same stroke, so it fits into tight guarding and slide assemblies that a full-length body cannot.
The through-rod resists rotation and carries side load better than a single rod, and the rear rod end makes a handy sensor-flag mount. A fixed TPU bumper at each cover absorbs end-of-stroke shock. Plan on roughly 529 N of usable push at 0.5 MPa, which lifts about 45 kg vertically with a 2:1 margin. Ports are 1/8", the rod thread is female M10x1.5, and speed runs 30-500 mm/s. The optional -S magnet enables CMSE / DMSE switches; without it no sensing is possible.
| Model | Airtac ACED Double-acting Compact Cylinder ACED50X250 |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 250 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 | 881 N |
| 0.7 MPa | 1234 N |
| Max (@1.0 MPa) | 180 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). |
|---|---|
| 50 | Bore size in mm. |
| ×250 | 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 250 mm stroke sweeps bottles across a conveyor lane, and the equal 881.2 N force gives the same push and return speed profile at 0.5 MPa.
A rod at each cover clamps a machined housing from both sides in one body, with about 529 N of practical holding force per side at 0.5 MPa.
The through-rod keeps a vacuum plate from twisting during a 250 mm vertical move, lifting parts of roughly 45 kg with a 2:1 margin.
At 881.2 N per direction, this bore covers medium clamping and lifting jobs; step down to the 40 mm bore (571.8 N) for lighter loads or up to the 63 mm bore (1458.1 N) when you need more margin. Remember the piston drifts if air is lost, so add a rod lock or pilot check for a held load. FA/FB flanges, LB feet and FTC brackets bolt to the ISO 21287 face, and I/Y rod knuckles suit the 16 mm rod. Order the -S code if CMSE / DMSE position sensing is needed.
Quick checklist
Because a rod exits both covers, force is equal in both directions: 881.2 N at 0.5 MPa and 1233.7 N at 0.7 MPa, on the rod-side area. Peak output at 1.0 MPa is 179.7 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, air filtered to 40 um, speed 30-500 mm/s, and a 250 mm stroke on the 50 mm bore.
It is an ISO 21287 compact cylinder with a hard-anodized aluminium body, S45C hard-chrome-plated 16 mm rod, and a fixed TPU bumper at each cover. The body is about 50% shorter than an ISO 15552 profile cylinder. Sensing requires the optional -S magnet code; only then can CMSE / DMSE switches be mounted on the body slots. Without -S there is no magnet in the piston.
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