Airtac ATE Single Acting Guided Compact Cylinder ATE40X20S
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE40X20S is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø40mm 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.
- BoreØ40 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 ATE40X20S
This AirTAC ATE40X20S is a single acting pull cylinder, spring-extend, where the spring pushes the rod out and air retracts it. With a 40 mm bore, it delivers 500.3 N of pull force at 0.5 MPa, net of the return spring, and 729 N at 0.7 MPa. The ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, saving valuable space in tight fixtures. It includes the optional -S magnet, so CMSE or DMSE switches can be mounted for position sensing.
For a safe working load, plan for about 300 N of real work at 0.5 MPa, which translates to lifting roughly 30 kg vertically with a 2:1 safety margin. The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear, while the fixed TPU bumpers at both ends absorb end-of-stroke impact. This model has a 1/8" port and a female M8x1.25 rod thread, ready for standard fittings and attachments.
Airtac ATE Single Acting Guided Compact Cylinder ATE40X20S Technical Specifications
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE40X20S |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø40 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 (Ø40mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 500.3 N |
| 0.7 MPa | 729.0 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 ATE40X20S
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 40 | 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 ATE40X20S Is Used
Jig Clamping
Use the 500.3 N pull at 0.5 MPa to retract a clamping arm in a CNC fixture, holding a 25 kg workpiece securely during machining. The compact body fits within the machine envelope without interfering with tool paths.
Carton Tabbing
In a packaging line, this cylinder pulls a tab or flap into place on corrugated boxes at speeds up to 500 mm/s. The 20 mm stroke is ideal for short, repetitive motions, and the spring return resets the mechanism quickly.
Gate Actuator
Retract a safety gate or guard on an automated assembly station with this 40 mm bore cylinder. The spring extends the gate to the closed position on air loss, providing a fail-safe that protects operators, while the TPU bumper softens the stop.
Is the Airtac ATE Single Acting Guided Compact Cylinder ATE40X20S the Right Cylinder?
When sizing, compare this 40 mm bore to the 32 mm bore, which pulls 296 N at 0.5 MPa, or the 50 mm bore, which pulls 775 N. The 40 mm bore offers a balanced middle ground for medium-duty pull applications. Remember that the spring extends the rod at rest, so it will not hold a mid-stroke position on air loss. Choose from FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot, or FTC mounting brackets to fit your fixture. The -S magnet is already fitted on this model, enabling CMSE or DMSE sensor installation for position feedback.
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 ATE40X20S FAQ
The ATE40X20S delivers a pull force of 500.3 N at 0.5 MPa and 729 N at 0.7 MPa, both net of the return spring. The minimum working pressure is 0.2 MPa, and the maximum is 1.0 MPa (28-145 psi). The proof pressure is 1.5 MPa (215 psi).
The ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, saving significant mounting length. This model includes the optional -S magnet for CMSE or DMSE sensors, and the fixed TPU bumpers at both ends absorb impact without adjustment. The hard-anodized aluminium body and hard-chrome plated rod ensure durability.
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