Airtac ACE Compact Cylinder ACE25X50B
The AirTAC Airtac ACE Compact Cylinder ACE25X50B is a genuine double acting ISO 21287 compact air cylinder with a Ø25mm bore and 50mm 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.
- BoreØ25 mm
- Stroke50 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 ACE25X50B
This AirTAC ACE25X50B is a double acting compact cylinder built to ISO 21287, with a 25 mm bore and 50 mm stroke. Its hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder, so it fits tight machine guards and indexing fixtures where space is limited. The S45C steel rod is hard-chrome plated and has a male thread (B code) for direct coupling.
At 0.5 MPa this unit pushes with 245.4 N and pulls with 206.2 N, so it can handle a real workload of roughly 147 N if you keep a 0.6 safety factor. That translates to lifting about 15 kg vertically with a 2:1 margin, which is a practical way to match it to a light pick-and-place part. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the M5x0.8 port keeps installation simple on small-bore circuits.
Airtac ACE Compact Cylinder ACE25X50B Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE25X50B |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 50 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 150 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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 ACE25X50B
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×50 | 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 ACE25X50B Is Used
Fixture Clamping
Use in a CNC fixture to clamp small aluminium parts with 245.4 N push at 0.5 MPa, holding them steady during drilling or tapping operations.
Light Carton Ejection
Mount on a packaging line to push finished cartons off a conveyor. The 50 mm stroke clears the product, and the compact body fits under the guide rails.
Guard Door Actuator
Activate a small safety guard door on a bench press. The short ISO 21287 body mounts inside the frame, and the fixed TPU bumper softens the door stop.
Is the Airtac ACE Compact Cylinder ACE25X50B the Right Cylinder?
For a lighter duty, the ACE20X50 delivers 157.1 N push at 0.5 MPa, while stepping up to the ACE32X50 gives 402.1 N push for heavier clamping. Since this model has no -S code, it has no magnet, so CMSE or DMSE sensors cannot be mounted; order the -S variant if you need position sensing. The male rod thread (B) suits direct coupling to a clevis or rod end, and the ISO 21287 face accepts FA/FB flange, LB foot, or CA/CB clevis brackets.
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 ACE25X50B FAQ
At 0.5 MPa, push is 245.4 N and pull is 206.2 N. At 0.7 MPa, push rises to 343.6 N and pull to 288.6 N. The theoretical maximum force is 50.1 kgf at 1.0 MPa. Operating pressure range is 0.15-1.0 MPa (22-145 psi), and proof pressure is 1.5 MPa (215 psi).
No, this ACE25X50B has no magnet because the -S code was not ordered. To use CMSE or DMSE reed or solid-state switches, you must order the -S variant, which includes the built-in magnet. The body has slots for the switches, but without the magnet they cannot detect piston position.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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