
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED20X100SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø20mm bore and 100mm 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.
A double acting, double-rod compact cylinder built to ISO 21287, the ACED20X100SB pushes a 20 mm piston through a 100 mm stroke with a rod leaving both covers. Because each side works on the rod-side area, output is identical in either direction: 117.8 N at 0.5 MPa and 164.9 N at 0.7 MPa, with a peak of 24.0 kgf at 1.0 MPa. The male rod thread (B code) bolts straight to your tooling, and the M5x0.8 ports sit on the 20 mm bore body.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into slim fixtures where a full-length body will not reach. The through-rod resists rotation and light side load, and the rear rod can carry a sensor flag. This model carries the optional -S magnet, so CMSE or DMSE reed or solid-state switches can be clipped onto the body for end-of-stroke detection. As a working rule, plan on roughly 70 N of usable push at 0.5 MPa, which is about 6 kg held vertically with a 2:1 margin. Operating range is 0.15-1.0 MPa (22-145 psi) at 30-500 mm/s, with a fixed TPU bumper at each end.
| Model | Airtac ACED Double-acting Compact Cylinder ACED20X100SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 100 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 100 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 | 118 N |
| 0.7 MPa | 165 N |
| Max (@1.0 MPa) | 24 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). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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 117.8 N force in both directions suits a go/no-go gauge slide on a CNC lathe fixture, where the male M6x1.0-class rod thread carries a dial or anvil on each end of the 100 mm stroke.
A rear rod acting as a guide pin lets this cylinder steer blister packs or vials at a sorter junction, with the -S magnet and a DMSE switch confirming each divert at 30-500 mm/s.
About 6 kg of vertical press capacity at a 2:1 margin covers capping microtubes or seating sensors in an analytical instrument, and the compact body fits inside a benchtop enclosure.
At 117.8 N per direction, this bore sits between the 16 mm size (75.4 N at 0.5 MPa) and the 25 mm size (206.2 N at 0.5 MPa), so step up if your jig needs more grip force and down if you are only indexing light parts. The 100 mm stroke is the maximum standard stroke for bore 20, so no made-to-order surcharge applies. Remember that a plain double-rod cylinder drifts when air is lost - add a rod lock or pilot check valve if the load must stay put. The FA/FB flange, LB foot and FTC brackets, plus I and Y rod knuckles, mount directly on the ISO 21287 face.
Quick checklist
Yes - the double-rod design exposes the rod-side area on both strokes, so force is equal either way: 117.8 N at 0.5 MPa and 164.9 N at 0.7 MPa, peaking at 24.0 kgf at 1.0 MPa. The 10 mm rod exits both covers with a male thread, the port is M5x0.8, and speed runs 30-500 mm/s over 0.15-1.0 MPa (22-145 psi).
The ISO 21287 body is roughly 50% shorter in mounting length than an ISO 15552 profile cylinder, and a fixed TPU bumper at each end simply softens piston arrival - it is not adjustable and never holds a load. This unit carries the optional -S magnet, so CMSE or DMSE switches can be slid onto the body slots for position signals.
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