Airtac ACE Compact Cylinder ACE50X250S
The AirTAC Airtac ACE Compact Cylinder ACE50X250S is a genuine double acting ISO 21287 compact air cylinder with a Ø50mm bore and 250mm 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.
- BoreØ50 mm
- Stroke250 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.5
- 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 ACE50X250S
This AirTAC ACE50X250S is a double acting ISO 21287 compact cylinder with a 50 mm bore and 250 mm stroke, delivering 981.7 N of push force at 0.5 MPa. Its hard-anodized aluminium body is about 50% shorter than an ISO 15552 profile cylinder, so it fits into tight machine frames and guarding where a full-length cylinder would not.
The fixed TPU bumper at each end absorbs end-of-stroke energy, and the optional -S magnet is fitted here, enabling CMSE or DMSE switches for position sensing. For a real-world load, plan for about 60 kg of safe vertical lift at 0.5 MPa (0.6 times the push force), giving you a 2:1 margin for dynamic loads and friction.
Airtac ACE Compact Cylinder ACE50X250S Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE50X250S |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 250 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 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 ACE50X250S
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 50 | Bore size in mm. |
| ×250 | 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 ACE50X250S Is Used
Fixture Clamping
Use in a CNC fixture to clamp a 50 kg workpiece with a 2:1 safety factor, thanks to the 981.7 N push at 0.5 MPa.
Conveyor Stop Gate
Actuate a stop gate on a packaging line to divert boxes, using the 250 mm stroke to clear the conveyor width.
Press Guard Lift
Lift a light safety guard on a stamping press; the compact body fits under the machine frame, and the magnet signals the guard position.
Is the Airtac ACE Compact Cylinder ACE50X250S the Right Cylinder?
For a lighter duty, consider the ACE40X250 with 628.3 N push at 0.5 MPa, or step up to the ACE63X250 for 1558.6 N push if you need more force. This 50 mm bore model suits medium automation tasks, and the 250 mm stroke is the maximum standard for this bore, so longer strokes are made to order. Since the magnet is fitted, you can mount CMSE or DMSE switches directly; for applications needing a rod lock, add an external brake or pilot check valve, as the bumper does not hold loads.
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 ACE50X250S FAQ
At 0.5 MPa, push force is 981.7 N and pull is 881.2 N. At 0.7 MPa, push is 1374.4 N and pull is 1233.7 N. The theoretical maximum force is 200.2 kgf at 1.0 MPa. The port is 1/8 inch, and the rod is 16 mm with an M10x1.5 female thread.
The short body saves about 50% of the mounting length compared to an ISO 15552 profile cylinder, so it fits in tight spaces. The fixed TPU bumper absorbs end-of-stroke impact, but it does not hold loads; use a rod lock or pilot check valve if you need position holding. The optional -S magnet is fitted, so you can add CMSE or DMSE switches for sensing.
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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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