Airtac ATE Single Acting Guided Compact Cylinder ATE20X20B
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE20X20B is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø20mm bore and 20mm 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.
- BoreØ20 mm
- Stroke20 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 ATE20X20B
This AirTAC ATE20X20B 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 88.1 N of pull force, net of the return spring, and at 0.7 MPa that rises to 135.2 N, so it suits light clamping and indexing tasks.
Its ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, which lets it fit inside tight machine guards and gantries. The male rod thread (B code) simplifies direct coupling, and the fixed TPU bumper at both ends absorbs end-of-stroke energy; plan for about 53 N of usable work at 0.5 MPa, which equals lifting roughly 5 kg vertically with a 2:1 safety margin.
Airtac ATE Single Acting Guided Compact Cylinder ATE20X20B Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE20X20B |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 20 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 (Ø20mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 88.1 N |
| 0.7 MPa | 135.2 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 ATE20X20B
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 20 | 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 ATE20X20B Is Used
Jig Clamping
Use the 88.1 N pull at 0.5 MPa to retract a small swing clamp in a benchtop assembly jig, where the spring extend returns the clamp to a safe open position.
Label Applicator
In a compact labeling station, this cylinder pulls a vacuum cup or applicator pad back after each label is placed, with the spring extending it for the next cycle.
Guard Door Interlock
Mount it on a machine guard to pull a locking pin out of a hole when air is applied, and let the spring re-insert the pin for a fail-safe locked state.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE20X20B the Right Cylinder?
For a lighter pull, consider the ATE16X20B with 53.3 N at 0.5 MPa, while the ATE25X20B offers 170.9 N for heavier loads. This ATE20X20B has a 20 mm stroke and a max standard stroke of 25 mm, so it is not for long travels. On air loss the spring returns the rod to its extended home position, and it does not hold a mid-stroke position, so use it where a fail-extended state is safe. The B code gives a male rod thread, and there is no magnet fitted, so CMSE or DMSE sensors cannot be mounted unless you order the optional -S version.
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 ATE20X20B FAQ
At 0.5 MPa the pull force is 88.1 N, and at 0.7 MPa it is 135.2 N, both net of the return spring. The minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi).
No, this ATE20X20B has no magnet because the S code was not ordered. To use CMSE or DMSE switches, you must order the -S version, which includes the optional magnet. The body is ISO 21287 compact, so it fits standard FA/FB, LB, CA/CB, CR, SDB, and FTC brackets.
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