Airtac SE125 Standard Cylinder SE125X290
The AirTAC Airtac SE125 Standard Cylinder SE125X290 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 290mm stroke, PT1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ125 mm
- Stroke290 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X290
The AirTAC SE125X290 is a double-acting single-rod ISO 15552 profile cylinder built for heavy-duty automation. It delivers a substantial 6136 N push at 0.5 MPa, utilizing a 125 mm bore and a 290 mm stroke to move massive loads. The extruded aluminum barrel lacks external tie rods, yielding a compact, corrosion-resistant body that mounts flush against machine frames.
This model features field-adjustable air cushioning at both ends to decelerate heavy 1252 kgf payloads smoothly before the end of stroke. Note that this specific SKU is configured without a sensor magnet, so it does not directly support AirTAC CMSE or DMSE position switches without modification. The 40 mm cushion length and PT1/2 porting are engineered to handle high flow demands at speeds up to 30-500 mm/s.
Airtac SE125 Standard Cylinder SE125X290 Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X290 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 290 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C (0–150 °C with FKM seals) |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 40 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SE series datasheet and ISO 15552 / VDMA 24562 dimensions. Confirm against the product label before installation. Port options: PT (standard) / G (BSPP).
Theoretical Output Force (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (@1.0 MPa) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SE125 Standard Cylinder SE125X290
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×290 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting: Basic, LB, FA, FB, CA, CB, CR, TC, FTC, TCM1, TCM2. Related SE-family variants: SED (double rod), SEJ (adjustable stroke), BSE (rod lock), BSED (double-rod rod lock).
Where the Airtac SE125 Standard Cylinder SE125X290 Is Used
Stamping Press Ejection
Uses the 6136 N push at 0.5 MPa to knock heavy formed metal panels out of progressive die tooling, absorbing the impact via the 40 mm adjustable cushion.
Automotive Pallet Diverting
Leverages the 290 mm stroke to push fully loaded engine skids sideways onto adjacent roller conveyors without needing external tie-rod clearance.
Heavy Carton Stacking
Lifts large bulk packaging containers at 30-500 mm/s, relying on the 125 mm bore's 5734 N pull force to retract the arm reliably under gravity.
Is the Airtac SE125 Standard Cylinder SE125X290 the Right Cylinder?
Selecting the SE125X290 is appropriate when your mechanism requires shifting heavy masses over a 290 mm distance, such as large press feeding or bulky pallet handling. If you need slightly less force, stepping down to the 100 mm bore yields a 3927 N push at 0.5 MPa; however, as the largest standard ISO 15552 bore in this range, there is no larger neighbour to step up to within the AirTAC SE family. Because this is a 290 mm stroke, the unsupported 32 mm rod is subject to bending under high side loads—an external guide bearing is recommended to prevent rod-bearing wear.
As a true ISO 15552 profile cylinder, it provides a drop-in dimensional replacement for other ISO 15552 cylinders, sharing standard mounting accessories like TC centre trunnions or LB foot brackets. Remember that the adjustable cushion only decelerates the piston near stroke end; it does not lock the rod. If your application must hold a vertical load safely without live air pressure, you must integrate a BSE rod lock or an external pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SE125 Standard Cylinder SE125X290 FAQ
The SE125X290 generates a push force of 6136 N and a pull force of 5734 N at 0.5 MPa. At 0.7 MPa, the push force is 8590 N, with a maximum push capacity of 1252 kgf at 1.0 MPa. The operating speed range for this 125 mm bore is 30-500 mm/s.
Yes, the SE125X290 is dimensionally interchangeable per ISO 15552. You can use it as a drop-in replacement for other ISO 15552 profile cylinders, reusing your existing PT1/2 port plumbing and standard mounting brackets without redrilling the machine frame.
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