
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE25X10S is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø25mm bore and 10mm 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 ATE25X10S is a single acting pull cylinder with spring return, so the spring extends the rod and air retracts it, giving a net pull of 170.9 N at 0.5 MPa and 253.3 N at 0.7 MPa. The compact ISO 21287 body is about 50% shorter than an ISO 15552 profile cylinder, making it ideal for tight fixtures where space is limited.
With the optional -S magnet fitted, you can mount CMSE or DMSE switches for position sensing, and the hard-anodized aluminium body with S45C chrome rod ensures durability. For a 2:1 safety margin, this cylinder can lift about 8.7 kg vertically at 0.5 MPa, so plan your real workload around that figure rather than the full rating.
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE25X10S |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 10 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 25 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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 170.9 N |
| 0.7 MPa | 253.3 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa. Single-acting strokes are short (Ø12 to 10 mm, Ø16-100 to 25 mm).
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×10 | 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.
Use in a CNC fixture to pull a clamp down on a workpiece, with the 10 mm stroke and 170.9 N force securing small parts during milling.
Retract a label applicator head in a packaging line, where the compact body fits between guide rails and the spring return resets the head after each cycle.
Pull a pin to eject a stamped part from a die, using the CMSE switch to confirm retraction, and the short stroke suits high-cycle automated presses.
For lighter tasks, the ATE20X10S offers 88.1 N pull at 0.5 MPa, while the ATE32X10S provides 296.0 N, so choose based on your required force. This 25 mm bore with 10 mm stroke is a short-stroke option, and the spring returns the rod to extended on air loss, but it does not hold a mid-stroke position. Mounting options include FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot, and FTC brackets, plus I/Y rod knuckles.
Quick checklist
The ATE25X10S provides a net pull of 170.9 N at 0.5 MPa and 253.3 N at 0.7 MPa, with the spring force already subtracted. Minimum working pressure is 0.2 MPa, and proof pressure is 1.5 MPa (215 psi).
The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits in tight spaces. The fixed TPU bumper absorbs end-of-stroke energy, and the optional -S magnet enables CMSE/DMSE switches for position feedback.
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