
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED16X55S is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø16mm bore and 55mm 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 ACED16X55S is a double acting, double-rod ISO 21287 compact cylinder: an 8 mm rod leaves both covers, so push and pull are identical at 75.4 N on a 0.5 MPa supply (105.6 N at 0.7 MPa). Because the through-rod is guided at both ends, it resists rotation and light 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 plated rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into slim pick-and-place arms and guarded test rigs. This model carries the optional -S magnet, so CMSE or DMSE switches read position directly on the body slots. As a rule of thumb, keep the working load near 45 N; vertically that is roughly 3.8 kg with a 2:1 margin. Speed range is 30-500 mm/s and the fixed TPU bumper at each end absorbs end-of-stroke shock.
| Model | Airtac ACED Double-acting Compact Cylinder ACED16X55S |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 55 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 75 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 | 75 N |
| 0.7 MPa | 106 N |
| Max (@1.0 MPa) | 15 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). |
|---|---|
| 16 | Bore size in mm. |
| ×55 | 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 75.4 N push and pull kicks finished bushings or stamped clips off a machining fixture, with the rear rod driving a part-present flag read by a CMSE switch.
Equal force in both strokes makes the 55 mm stroke ideal for a compact press-and-return cycle on an electronics test jig, cycling at 30-500 mm/s under PLC control.
The through-rod keeps the gate blade square as it swings product between two lanes, and the M5x0.8 ports pair neatly with a compact 5/2 valve manifold.
At 75.4 N per direction, this 16 mm bore suits small clamps, gates and transfer slides; step down to the 12 mm bore (42.4 N) for lighter tooling or up to the 20 mm bore (117.8 N) when the load grows. The 55 mm stroke sits inside the 75 mm standard range for this bore, so no made-to-order build is needed. The female M4x0.7 rod thread on both ends accepts standard rod knuckles (I or Y), and FA/FB flanges or LB feet bolt to the ISO 21287 face. Remember that a plain double-rod cylinder drifts when air is lost - add a rod lock or pilot check if the load must stay put.
Quick checklist
Because a rod exits both covers, force is equal in both directions: 75.4 N at 0.5 MPa and 105.6 N at 0.7 MPa (rod-side area each way). At the full 1.0 MPa rating the cylinder reaches about 15.4 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, and the through-rod resists rotation for symmetric tooling.
The ISO 21287 short body cuts roughly 50% of the mounting length of an ISO 15552 profile cylinder, so the 55 mm stroke fits tight guards and slides. The S in ACED16X55S means the optional magnet is fitted, letting CMSE or DMSE reed or solid-state switches clip onto the body slots for end-of-stroke or mid-stroke signals. A fixed TPU bumper at each end absorbs shock, and FA/FB flange or LB foot mounts bolt straight on.
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