
The AirTAC Airtac TACED Guided Compact Cylinder TACED25X55S is a genuine double acting, double rod, non-rotating ISO 21287 compact air cylinder with a Ø25mm 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. Twin guide rods keep the tooling from rotating.
Double acting with a through rod that exits both covers, the TACED25X55S delivers 206.2 N in each direction at 0.5 MPa (288.6 N at 0.7 MPa) because both sides work on the rod-side area. Twin guide rods on a yoke stop the tooling rotating and carry side load, so a gripper or plate stays square without an external guide. The 25 mm bore drives a 10 mm rod on a 55 mm stroke at 30-500 mm/s.
The body is a hard-anodized aluminium ISO 21287 compact build, roughly 50% shorter in mounting length than an ISO 15552 profile cylinder, which is why it slots into tight jigs and guarding. This -S version carries the optional magnet, so CMSE or DMSE reed and solid-state switches can be clipped on for position feedback. A fixed TPU bumper at each end absorbs end-of-stroke shock, and the female M6x1.0 rod thread is ready for your tooling. As a rule of thumb, plan on about 123 N of real work at 0.5 MPa, which lifts roughly 10 kg vertically with a 2:1 margin.
| Model | Airtac TACED Guided Compact Cylinder TACED25X55S |
|---|---|
| Series | TACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 55 mm |
| Acting type | Double acting, double rod, non-rotating |
| 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; guide rods: stainless steel (Ø12-40) / S45C (larger). 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 | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used). Twin guide rods carry the side load and stop the tooling rotating.
| TACED | ISO 21287 compact cylinder (double-rod non-rotating (twin-guide yoke)). |
|---|---|
| 25 | Bore size in mm. |
| ×55 | Stroke length in mm. |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
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 206.2 N clamping force in both directions and non-rotating twin guide yoke hold a machined part square in a drilling or milling fixture, with the 55 mm stroke clearing the load path.
Equal push and pull from the double rod makes open and close strokes identical on a small gripper handling plastic housings, while CMSE or DMSE switches confirm jaw position.
The short ISO 21287 body fits inside compact analytical equipment enclosures, pushing sample trays about 10 kg equivalent vertically with margin at 0.5 MPa.
At 206.2 N per side at 0.5 MPa, the 25 mm bore sits between the 20 mm (117.8 N) and 32 mm (345.6 N) options in this range. Pick the 20 mm bore for lighter pick-and-place heads, step up to 32 mm if your fixture adds friction or side load. The 55 mm stroke is within the 150 mm standard range for this bore, so no made-to-order build is needed. This unit already includes the -S magnet for CMSE / DMSE switches; mounting choices include FB flange, CA, CB, CR and FTC. Note the piston drifts if air is lost, so add a rod lock or pilot check valve where a load must stay put.
Quick checklist
Yes. Because a rod exits both covers, both strokes act on the rod-side area: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa, equal push and pull. Maximum force at 1.0 MPa is 42.0 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, and speed runs 30-500 mm/s.
The hard-anodized aluminium ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits shallow gantries and guarding. The -S code on this model means the magnet is fitted, so CMSE / DMSE reed or solid-state switches mount directly in the body slots for end-of-stroke or mid-stroke sensing. A fixed TPU bumper at each end absorbs end-of-stroke energy, and the female M6x1.0 rod thread accepts standard tooling.
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