Airtac ACE Compact Cylinder ACE20X40
The AirTAC Airtac ACE Compact Cylinder ACE20X40 is a genuine double acting ISO 21287 compact air cylinder with a Ø20mm bore and 40mm 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
- Stroke40 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACE Compact Cylinder ACE20X40
This AirTAC ACE20X40 is a double acting ISO 21287 compact cylinder with a 20 mm bore and a 40 mm stroke, delivering 157.1 N of push force at 0.5 MPa. Its short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into tight machine frames and guarding where a full-length cylinder will not. The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear in continuous cycling.
A practical rule for sizing is to plan for about 94 N of real work at 0.5 MPa, which is roughly 60% of the rated push force, to account for friction and side loads. That translates to lifting about 9.6 kg vertically with a 2:1 safety margin. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the M5x0.8 port suits small-bore pneumatic circuits.
Airtac ACE Compact Cylinder ACE20X40 Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE20X40 |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 100 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 118 N |
| 0.7 MPa | 220 N | 165 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac ACE Compact Cylinder ACE20X40
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×40 | 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 ACE Compact Cylinder ACE20X40 Is Used
Fixture Clamping
Use in a CNC fixture to clamp small aluminium brackets with 157.1 N force, where the short body keeps the fixture compact and the M5x0.8 port connects to a manifold.
Label Applicator
Drive a label tamp head on a packaging line, pushing labels onto cartons with a 40 mm stroke and 117.8 N pull return, fitting between guide rails.
Test Probe Actuator
Actuate a spring-loaded test probe on an electronics bench, using the 157.1 N push to press contacts and the fixed bumper to prevent over-travel damage.
Is the Airtac ACE Compact Cylinder ACE20X40 the Right Cylinder?
For a lighter duty, the ACE16X40 offers 100.5 N push at 0.5 MPa, while stepping up to the ACE25X40 gives 245.4 N push for heavier parts. This ACE20X40 sits between them, making it a balanced choice for medium-load pick-and-place tasks. Since this model has no -S code, there is no magnet fitted, so CMSE or DMSE sensors cannot be mounted; order the -S version if you need position sensing. The female M6x1.0 rod thread and PT port thread are standard for this bore.
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 0.15 – 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 Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACE Compact Cylinder ACE20X40 FAQ
At 0.5 MPa, push force is 157.1 N and pull is 117.8 N. At 0.7 MPa, push is 219.9 N and pull is 164.9 N. The theoretical maximum force at 1.0 MPa is 32 kgf. These figures are for a 20 mm bore with a 10 mm rod.
No, this model has no magnet because it lacks the -S code. The magnet is optional and must be ordered with the -S suffix to use CMSE or DMSE switches. Without -S, the cylinder has no magnet and no sensor can be mounted. The body is ISO 21287 compact, about 50% shorter than an ISO 15552 profile cylinder, and uses a fixed TPU bumper at both ends.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac ACE Compact Cylinder ACE20X40
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.