
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED50X50SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø50mm bore and 50mm 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 built to ISO 21287, the ACED50X50SB pushes a 50 mm bore through a 50 mm stroke with a rod leaving both covers. Because each side works on the rod-side area, output is identical in both directions: 881.2 N at 0.5 MPa and 1233.7 N at 0.7 MPa. The through-rod resists rotation and modest side load, and the rear rod can carry a sensor flag or a second tooling plate.
The hard-anodized aluminium body with an S45C hard-chrome rod saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures. As a working rule, plan on about 528 N of real work at 0.5 MPa, which lifts roughly 27 kg vertically with a 2:1 margin. The S in the code means the magnet is fitted, so CMSE / DMSE switches can be clipped on, and male rod threading (the B code) is ready for external accessories.
| Model | Airtac ACED Double-acting Compact Cylinder ACED50X50SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 50 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. |
| ×50 | 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 881.2 N output in both directions lets one ACED50X50SB clamp and then eject a machined aluminium housing without recalculating force per stroke.
A rod on each cover balances the moving carriage on an assembly-line shuttle, and the fitted magnet with a CMSE switch confirms both end positions over the 50 mm travel.
On a packaging machine, the through-rod guides the label head straight down about 27 kg of effective vertical load at 0.5 MPa, with the TPU bumper softening each stop.
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 up if your tooling needs more than about 528 N of usable work. The 50 mm stroke is well inside the 250 mm maximum standard stroke for this bore. Remember the piston drifts when air is lost, so add a rod lock or pilot check for held loads. FA/FB flange, LB foot and FTC brackets plus I/Y rod knuckles bolt to the ISO 21287 face, and PT ports take standard fittings.
Quick checklist
Output is equal in both directions because a rod exits each cover and both strokes use the rod-side area: 881.2 N at 0.5 MPa and 1233.7 N at 0.7 MPa, with a maximum of 179.7 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and speed range 30-500 mm/s.
S means the position magnet is fitted, so CMSE or DMSE reed or solid-state switches mount in the body slots; B means a male rod thread instead of female. The ISO 21287 compact body is hard-anodized aluminium with an S45C hard-chrome rod, about 50% shorter in mounting length than an ISO 15552 profile cylinder, with a fixed TPU bumper at each end and 1/8" PT ports.
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