Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø32mm bore and 25mm 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.
- BoreØ32 mm
- Stroke25 mm
- Port size1/8"
- Acting typeSingle acting, pull (spring return)
- Rod threadM8×1.25
- CushionFixed TPU bumper (both ends)
About the Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB
This ISO 21287 compact cylinder is single acting with a spring-extend, air-retract pull action, delivering a net pull of 296 N at 0.5 MPa and 434.2 N at 0.7 MPa. Its short body takes up about 50% less mounting length than an ISO 15552 profile cylinder, making it a fit for tight machine guarding and gantry tooling where space is scarce.
With the optional -S magnet fitted, this model works with CMSE or DMSE reed and solid-state switches for reliable position sensing. The hard-anodized aluminium body and S45C hard-chrome rod resist wear, while a fixed TPU bumper at each end absorbs stroke energy. For a 2:1 safety margin, plan to lift about 18 kg vertically at 0.5 MPa, not the full 296 N rating.
Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 25 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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.
Theoretical Output Force (Ø32mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 296.0 N |
| 0.7 MPa | 434.2 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).
Model Code: Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×25 | 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.
Where the Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB Is Used
Jig Clamping Retract
Use the 296 N pull to retract a spring-loaded clamp pin in a CNC fixture, freeing the operator's hands for part loading and unloading.
Guard Door Latch
Pull a safety interlock latch on a robotic cell access door, with the spring extending the latch to lock the guard when air is removed.
Label Roll Tensioner
Retract a tension roller arm on a labeling machine to release the web for splicing, then let the spring re-apply pressure automatically.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB the Right Cylinder?
For a lighter pull, the ATE25X25 offers 170.9 N at 0.5 MPa, while stepping up to the ATE40X25 gives 500.3 N at the same pressure. The spring returns the rod to its extended home position on air loss, so it does not hold a mid-stroke load. Choose the male rod thread (B code) for direct coupling, and add FA/FB flange or LB foot mounts to match your fixture pattern.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short stroke fits the compact body
- ✓ Port/thread type (PT / G)
- ✓ Add -S if you need the magnet for sensors
- ✓ Rod type (female / male B) & mount (FA/LB/CA)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Compact body: keep the stroke short and avoid side load on the rod.
- check Do not dismantle the threaded front/back covers.
- check Single-acting: do not force the rod against the spring.
- check Installation by qualified personnel per AirTAC docs.
Airtac ATE Single Acting Guided Compact Cylinder ATE32X25SB FAQ
The net pull force is 296 N at 0.5 MPa and 434.2 N at 0.7 MPa, already accounting for 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, so it fits into confined jigs and gantries. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the optional -S magnet enables CMSE or DMSE switch mounting.
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