Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø25mm bore and 25mm 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.
- BoreØ25 mm
- Stroke25 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull (spring return)
- Rod threadM6×1.0
- CushionFixed TPU bumper (both ends)
About the Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S
This AirTAC ATE25X25S is a single acting pull cylinder with spring return, meaning the spring extends the rod and air retracts it. At 0.5 MPa it delivers a net pull of 170.9 N, and at 0.7 MPa that rises to 253.3 N, with a minimum working pressure of 0.2 MPa to overcome the spring.
Its ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, saving valuable space in tight fixtures. The optional -S magnet is fitted here, so CMSE or DMSE switches can be mounted for position sensing. For real work, plan on roughly 10 kg of vertical lift at 0.5 MPa, giving you a safe margin for actual part weights.
Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 25 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.
Theoretical Output Force (Ø25mm)
| 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).
Model Code: Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 25 | 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 ATE25X25S Is Used
Jig Clamping
Use the 170.9 N pull at 0.5 MPa to retract a clamping pin in a small CNC fixture, freeing up space for part loading and unloading.
Label Applicator
In a compact packaging line, this cylinder pulls a label applicator head back after each cycle, with the spring extending it for the next label.
Guard Latch
Retract a safety guard latch on a small assembly station. The spring extends the latch to secure the guard, and air pulls it open for access.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE25X25S the Right Cylinder?
For lighter duty, the ATE20X25 offers 88.1 N pull at 0.5 MPa, while stepping up to the ATE32X25 gives 296.0 N. This 25 mm bore unit suits applications needing moderate pull force in a compact envelope. Remember, the spring returns the rod to its extended position on air loss, so it won't hold a mid-stroke position. Choose the FA, LB, CA, or SDB mounting brackets to match your fixture, and the M5x0.8 port is ready for standard fittings.
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 ATE25X25S FAQ
This single acting pull cylinder delivers 170.9 N at 0.5 MPa and 253.3 N at 0.7 MPa, both net of the return spring. Its minimum working pressure is 0.2 MPa, and it operates within 0.2-1.0 MPa (28-145 psi).
Yes, the 'S' in ATE25X25S means the optional magnet is fitted. You can mount CMSE or DMSE reed or solid-state switches to detect the piston position. Without the -S code, no magnet is present.
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