
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE50X15 is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø50mm bore and 15mm stroke, 1/8" 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 AirTAC ATE50X15 is a single acting pull cylinder with spring return, so the spring extends the rod and air retracts it. At 0.5 MPa it delivers 775 N of pull force, net of the return spring, and at 0.7 MPa that rises to 1127.5 N.
Its ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, making it a fit for tight machine guards and gantries. The hard-anodized aluminium body and S45C hard-chrome rod resist wear, and a fixed TPU bumper at each end absorbs end-of-stroke impact. As a buying rule, plan for about 465 N of real work at 0.5 MPa, which lifts roughly 47 kg vertically with a 2:1 safety margin.
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE50X15 |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 | 775.0 N |
| 0.7 MPa | 1127.5 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). |
|---|---|
| 50 | Bore size in mm. |
| ×15 | 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 ATE50X15 to pull a clamping arm down onto a workpiece in a CNC fixture. Its 775 N pull at 0.5 MPa holds parts securely, and the compact body fits under the spindle without extra clearance.
In a packaging line, this cylinder retracts a stop gate to let a carton pass. The spring extends the gate back into place automatically when air is released, and the 15 mm stroke is enough to clear the product path.
On a sorting station, the ATE50X15 pulls a diverter arm to route items to a secondary lane. The 775 N force handles light to medium loads, and the TPU bumper prevents shock at the end of each cycle.
For a lighter pull, the ATE32X25 offers 296 N at 0.5 MPa, while the ATE63X25 steps up to 1320 N at the same pressure. This 50 mm bore model suits short-stroke pull applications up to 25 mm standard. The spring extends the rod at rest and on air loss, so it does not hold a mid-stroke position. Choose the optional -S code if you need a magnet for CMSE or DMSE sensors; without it, no sensor can be mounted. Mounting options include FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot, and FTC brackets.
Quick checklist
The ATE50X15 provides 775 N of pull force at 0.5 MPa and 1127.5 N at 0.7 MPa, both net of the return spring. It operates from 0.2 MPa minimum pressure up to 1.0 MPa (28-145 psi), with a proof pressure of 1.5 MPa (215 psi). The speed range is 50-500 mm/s.
The ATE50X15 uses an ISO 21287 compact body that is about 50% shorter than an ISO 15552 profile cylinder, saving mounting space in tight areas. It has a fixed TPU bumper at both ends for impact absorption, and the optional -S magnet enables CMSE or DMSE sensors for position detection.
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