
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED50X225SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø50mm bore and 225mm 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.
The ACED50X225SB is a double acting, double-rod compact cylinder built to the ISO 21287 short-body format. A 16 mm hard-chrome-plated S45C rod exits both covers, so the 50 mm bore delivers an identical 881.2 N at 0.5 MPa (1233.7 N at 0.7 MPa) on every stroke - there is no push/pull difference because both sides see the rod-side area. The through-rod also resists rotation and side load, and the free back-end rod is a handy place to carry a sensor flag on a pick-and-place arm.
The hard-anodized aluminium body with roller-burnished bore saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is exactly what a 225 mm stroke needs to fit inside a tight gantry or guarding frame. This -S variant carries the optional magnet, so CMSE / DMSE reed or solid-state switches read position directly on the body, and the male B-code rod thread bolts straight to standard tooling.
| Model | Airtac ACED Double-acting Compact Cylinder ACED50X225SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 225 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. |
| ×225 | 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 (double rod, 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 workpiece carrier forward and back with equal 881.2 N force in each direction, while the rear rod carries a flag for CMSE switch position feedback.
1233.7 N at 0.7 MPa presses caps onto 500 ml bottles in a beverage line; the symmetric double-rod mount keeps the head square without an anti-rotation guide.
The 225 mm stroke pushes food trays across a belt lane; the short ISO 21287 body slots under low guarding where a full-length profile cylinder cannot fit.
At 881.2 N per direction, this bore sits between the 40 mm frame (571.8 N at 0.5 MPa) and the 63 mm frame (1458.1 N at 0.5 MPa) - step down for lighter clamping, up for heavier press-fit work. The 225 mm stroke is within the 250 mm standard range for bore 50, so no made-to-order build is needed. Remember the piston will drift if air is lost: for a held vertical load add a rod lock or pilot check valve. FA/FB flanges, LB feet and FTC brackets mount on the ISO 21287 face, and the fitted -S magnet lets CMSE / DMSE switches report end positions.
Quick checklist
Yes - the double-rod design puts a 16 mm rod through both covers, so both strokes use the rod-side area. Force is 881.2 N at 0.5 MPa and 1233.7 N at 0.7 MPa in either direction, with a maximum of 179.7 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, air filtered to 40 um, temperature -20 to +70 C.
This -S model carries the optional magnet, so CMSE reed or DMSE solid-state switches clip onto the magnet slots in the hard-anodized aluminium body for end-of-stroke or mid-stroke signalling. FA and FB flanges, LB feet and FTC brackets bolt to the ISO 21287 mounting face, and I or Y rod knuckles suit the male B-code thread. A fixed TPU bumper at each end absorbs stroke-end impact; it does not lock or hold a load, so use a rod lock or pilot check where position must be kept with air off.
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