
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED16X70SB 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.
This double acting compact cylinder carries a piston rod out of BOTH covers, so the 16 mm bore delivers an identical 75.4 N at 0.5 MPa (105.6 N at 0.7 MPa) whether the rod side or the back side is pressurized. The through-rod resists rotation and modest side load, and the rear rod end is a handy carrier for a sensor flag on small automation slides. Stroke is 70 mm, inside the 75 mm standard range for this bore.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into slim pick-and-place heads and fixture clamps where a full-length body will not fit. A hard-anodized aluminium body with an S45C hard-chrome plated 8 mm rod and fixed TPU bumpers at both ends keeps it serviceable for millions of cycles at 30-500 mm/s. At 0.5 MPa the realistic working effort is roughly 45 N, which is about 3.8 kg of vertical lift with a 2:1 margin - enough for small plastic parts, covers or PCB trays.
| Model | Airtac ACED Double-acting Compact Cylinder ACED16X70SB |
|---|---|
| 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 machined bushings or plastic caps off a locating mandrel with equal force in both directions, and the 70 mm stroke clears the part fully.
With a rod exiting each cover, the same cylinder can push a 100 mm pallet stop from either side of a conveyor lane, keeping the mechanism symmetric and the mount compact.
The fitted -S magnet lets a DMSE switch confirm clamped and released positions on a bench-top fixture, while the male rod thread bolts straight to a swing clamp lever.
For lighter work, the 12 mm bore gives 42.4 N at 0.5 MPa; stepping up, the 20 mm bore reaches 117.8 N at the same pressure. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be clipped onto the body slots for end-position signals. The B code gives a male 8 mm rod thread for direct attachment to tooling. Remember that a plain double-rod cylinder will drift if air is lost - for a held vertical load, pair it with a rod lock or pilot check valve. Operating window is 0.15-1.0 MPa (22-145 psi) on air filtered to 40 um.
Quick checklist
Yes. Because a rod exits both covers, both strokes act on the rod-side area: 75.4 N at 0.5 MPa and 105.6 N at 0.7 MPa, identical push and pull. At 1.0 MPa the peak output is 15.4 kgf. The 16 mm bore takes an M5x0.8 port and runs at 30-500 mm/s on 0.15-1.0 MPa (22-145 psi) air filtered to 40 um.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits tight jigs and gantries. The S in ACED16X70SB means the optional magnet is fitted on this unit, enabling CMSE or DMSE switches in the body slots; the B code gives a male rod thread, and FA flange or LB foot brackets bolt to the standard face. Fixed TPU bumpers absorb end-of-stroke shock.
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