
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED16X70 is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø16mm bore and 70mm 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 ACED16X70 is a double acting compact cylinder built to ISO 21287 with a piston rod leaving BOTH covers, so the 16 mm bore delivers the same 75.4 N at 0.5 MPa (105.6 N at 0.7 MPa) on every stroke - push and pull are identical because both sides work on the rod-side area. The through-rod also resists rotation and light side load, and the free back-end rod is a handy place to carry a sensor flag or a second tooling plate.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into narrow slides and pick stations a full-length body cannot reach. A hard-anodized aluminium barrel with an S45C hard-chrome plated rod, plus a fixed TPU bumper at each end, keeps it running at 30-500 mm/s from -20 to +70 C. As a rule of thumb, plan on about 45 N of real work at 0.5 MPa - roughly 3.8 kg lifted vertically with a 2:1 margin.
| Model | Airtac ACED Double-acting Compact Cylinder ACED16X70 |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 70 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. |
| ×70 | 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 at 0.5 MPa ejects clips or bushings from a 70 mm-deep cavity and retracts the tool with identical force, while the 50%-shorter body fits the tight mould space.
Because a rod exits both covers, one ACED16X70 can push cartons off a conveyor in either direction with equal 105.6 N at 0.7 MPa, and the rear rod doubles as a flag mount for a position sensor when the -S magnet is ordered.
The through-rod lets a vial crimping anvil sit on the back rod and a probe on the front, both driven at 30-500 mm/s inside a compact instrument frame where an ISO 15552 profile body would not fit.
For light clamping and transfer duty, 75.4 N at 0.5 MPa covers small parts up to roughly 3.8 kg in vertical lift with margin; step down to the ACED12 (42.4 N) for lighter fixtures or up to the ACED20 (117.8 N) when parts get heavier. The 70 mm stroke sits inside the 75 mm standard range for bore 16, so it ships as a catalogue item. Mounting drops onto the ISO 21287 face with FA/FB flanges, LB feet or FTC brackets, and I/Y rod knuckles suit the 8 mm rod. Remember: with no -S code there is no magnet, so add -S if you want CMSE / DMSE switch positions. Like any plain double-rod cylinder it will drift if air is lost - use a rod lock or pilot check where a load must be held.
Quick checklist
Yes - the double-rod design exposes the rod-side area on both strokes, so force is equal both ways: 75.4 N at 0.5 MPa and 105.6 N at 0.7 MPa, with a maximum of 15.4 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, and the 8 mm rod carries an M4x0.7 female thread. In practice, budget about 45 N (about 3.8 kg vertical lift with a 2:1 margin) for real work at 0.5 MPa.
It is an ISO 21287 compact cylinder whose short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end to absorb end-of-stroke energy. Switches are not fitted as standard: the magnet is the optional -S ordering code, so specify ACED16X70S to run CMSE or DMSE reed or solid-state switches along the body slots. Air supply should be filtered to 40 um, and the M5x0.8 ports suit small-valve manifolds.
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