Airtac ATE Single Acting Guided Compact Cylinder ATE32X20SB
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE32X20SB is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø32mm bore and 20mm 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
- Stroke20 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 ATE32X20SB
This AirTAC ATE32X20SB 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 296 N of pull force net of the spring, and at 0.7 MPa that rises to 434.2 N, enough for light clamping or indexing tasks.
The ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, freeing space in tight fixtures. With the optional -S magnet fitted, you can mount CMSE or DMSE switches for position sensing. For a real-world load, plan around 178 N (about 18 kg) of vertical lift at 0.5 MPa to keep a 2:1 safety margin.
Airtac ATE Single Acting Guided Compact Cylinder ATE32X20SB Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE32X20SB |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 20 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 ATE32X20SB
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 ATE32X20SB Is Used
Jig Clamping
Use the 296 N pull at 0.5 MPa to retract a clamping pin in a drill jig, freeing operator hands between cycles.
Sorting Gate
In a small parts sorter, the spring extends a diverter blade, and air pulls it back to route items to a reject bin.
Test Fixture
Mount on a gantry to retract a probe after a measurement, with the spring holding the probe out of the way at rest.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE32X20SB the Right Cylinder?
For a smaller option, the ATE25X20 offers 170.9 N pull at 0.5 MPa, while the ATE40X20 provides 500.3 N, so choose based on your actual load. Remember this cylinder does not hold a mid-stroke position; on air loss the spring returns the rod to its extended home. Mounting options include FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot, and FTC brackets, all fitting the ISO 21287 face.
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 ATE32X20SB FAQ
At 0.5 MPa the net pull is 296 N, and at 0.7 MPa it is 434.2 N, both after subtracting the spring force. Minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi).
The hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder, so it fits into confined machine guards. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the optional -S magnet allows CMSE or DMSE switch mounting.
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