Airtac ATE Single Acting Guided Compact Cylinder ATE20X5B
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE20X5B is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø20mm bore and 5mm 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
- Stroke5 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 ATE20X5B
This AirTAC ATE20X5B is a single acting pull cylinder with a spring return, so the spring extends the rod and air retracts it, delivering a net pull of 88.1 N at 0.5 MPa. Its compact ISO 21287 body is about 50% shorter than an ISO 15552 profile cylinder, making it ideal for tight spaces in automated assembly fixtures.
The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear in continuous cycling. The fixed TPU bumper at both ends absorbs energy, and the male rod thread (B code) simplifies attachment. With a 5 mm stroke, this unit is suited for precise, short indexing tasks, and the 0.2 MPa minimum working pressure ensures reliable operation even with low-pressure shop air.
Airtac ATE Single Acting Guided Compact Cylinder ATE20X5B Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE20X5B |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 5 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 ATE20X5B
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 20 | Bore size in mm. |
| ×5 | 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 ATE20X5B Is Used
Fixture Clamping
Use the 88.1 N pull to retract a locating pin in a CNC fixture, holding a small bracket during drilling. The short 5 mm stroke provides fast, repeatable pin withdrawal.
Gate Release
In a packaging line, this cylinder can retract a spring-loaded gate to release a single carton. The 5 mm stroke is enough to clear the path, and the spring return resets it for the next cycle.
Valve Actuation
Actuate a small pneumatic valve lever in a lab test rig. The 88.1 N pull at 0.5 MPa is sufficient for the valve's low operating force, and the compact body fits within the instrument's tight enclosure.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE20X5B the Right Cylinder?
For a lighter pull, consider the 16 mm bore ATE16X25 with 53.3 N at 0.5 MPa, while the 25 mm bore ATE25X25 offers a stronger 170.9 N pull. This 20 mm bore model with an 88.1 N pull is a balanced choice for small parts handling. The spring returns the rod to its extended position on air loss, so it does not hold a mid-stroke position. Mounting options include FA/FB flange, LB foot, CA/CB clevis, and SDB pivot brackets, and the optional -S magnet can be ordered for CMSE or DMSE sensors.
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 ATE20X5B FAQ
The ATE20X5B provides a net pull force of 88.1 N at 0.5 MPa and 135.2 N at 0.7 MPa, with the spring force already subtracted. The minimum working pressure is 0.2 MPa, and the maximum is 1.0 MPa (145 psi).
No, this model does not have a magnet, so it cannot be used with CMSE or DMSE sensors. To use sensors, you must order the model with the optional -S code, such as ATE20X5SB, which includes the built-in magnet for switch mounting.
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