
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE25X10SB 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 ISO 21287 compact cylinder is single acting with a spring return, so the spring extends the rod and air retracts it, giving a net pull of 170.9 N at 0.5 MPa. Its short body takes up about 50% less mounting length than an ISO 15552 profile cylinder, which helps when fitting into tight machine frames.
The optional -S magnet is fitted here, allowing CMSE or DMSE switches to track the piston position. With a 10 mm stroke and a 25 mm bore, a practical working load is around 103 N at 0.5 MPa, or about 10.5 kg lifted vertically with a 2:1 safety margin. The fixed TPU bumper at each end absorbs impact, and the minimum working pressure is 0.2 MPa.
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE25X10SB |
|---|---|
| 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 the 25 mm bore and 10 mm stroke to retract a locating pin in a CNC fixture, with the spring extending it to lock the part in place when air is off.
Mount this cylinder to pull a vacuum cup or tamp pad back after placing a label on a carton. The 170.9 N pull at 0.5 MPa handles the motion, and the compact body fits between guide rails.
Retract a spring-loaded latch on a machine safety guard. The spring extends the latch to keep the door closed, and air pulls it open, with the TPU bumper preventing end-of-stroke shock.
For a lighter pull, the ATE20X25 offers 88.1 N at 0.5 MPa, while moving up to the ATE32X25 provides 296.0 N at 0.5 MPa. This 25 mm bore model suits applications needing a compact, short-stroke pull with a male rod thread. Remember, the spring returns the rod to its extended position on air loss, so it does not hold a mid-stroke position. The M5x0.8 port and optional magnet make it easy to integrate into existing pneumatic circuits.
Quick checklist
This single-acting pull cylinder provides 170.9 N of pull at 0.5 MPa and 253.3 N at 0.7 MPa, with these values already net of the return spring. The minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi).
The short body saves about 50% of the mounting length compared to an ISO 15552 profile cylinder, which is ideal for tight spaces. This model also includes the optional -S magnet for CMSE or DMSE sensors, and the fixed TPU bumper at both ends absorbs energy without adjustment.
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