Airtac SE125 Standard Cylinder SE125X230
The AirTAC Airtac SE125 Standard Cylinder SE125X230 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 230mm 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
- Stroke230 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X230
The AirTAC SE125X230 is a double-acting, single-rod ISO 15552 profile cylinder engineered for heavy-duty linear motion. This specific SKU is configured as a made-to-order 230 mm stroke, falling between the standard 200 mm and 250 mm increments to provide exact travel for specialized machinery. Operating at 0.5 MPa, it generates 6136 N of push force and 5734 N of pull force, scaling up to a maximum push of 1252 kgf at 1.0 MPa.
Built with a square extruded aluminum barrel that eliminates external tie rods, the body is highly resistant to corrosion and mounts flush against machine frames. The cylinder relies on a field-adjustable pneumatic cushion at both ends—tunable via a set screw to soften end-of-stroke impacts—and features a robust Ø32 mm piston rod with an M27x2 thread to withstand high side loads. Because this unit lacks the -S magnet suffix, it does not support CMSE or DMSE electronic position sensors without modification.
Airtac SE125 Standard Cylinder SE125X230 Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X230 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 230 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 SE125X230
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×230 | 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 SE125X230 Is Used
Injection Mold Platens
Drives heavy moving platens on mid-size injection molding machines, utilizing the 6136 N push force at 0.5 MPa to securely close molds over a non-standard 230 mm travel distance.
Hydraulic Press Ejection
Ejects dense formed parts from a 150-ton hydraulic press, where the 125 mm bore's massive 1252 kgf max thrust and 40 mm adjustable cushion safely break the part free without slamming.
Palletizer Strapping Arm
Actuates a heavy steel strapping head on an automated palletizer, relying on the robust Ø32 mm rod and extruded profile body to maintain rigidity during high-vibration packaging cycles.
Is the Airtac SE125 Standard Cylinder SE125X230 the Right Cylinder?
Selecting the SE125X230 is appropriate when a machine requires exact 230 mm travel and very high thrust. If you need to step the force down, the neighboring 100 mm bore provides 3927 N of push at 0.5 MPa; stepping up is not possible as 125 mm is the largest bore in the SE family. This cylinder uses a PT1/2 port and can be mounted using standard ISO 15552 accessories like TC centre trunnions or LB foot brackets.
Because the stroke is 230 mm, the extended rod generates leverage that can stress the front bearing; for heavy offset loads, incorporate an external guide rail to prevent premature wear. Note that the adjustable air cushion only decelerates the piston near the end of travel—it is not a locking device. If your application must hold a vertical load safely when air pressure is lost, 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 SE125X230 FAQ
At 0.5 MPa, the SE125X230 delivers 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force increases to 8590 N, and the absolute maximum push is 1252 kgf at 1.0 MPa. The operating speed range for this 125 mm bore cylinder is 30-500 mm/s.
Yes, the SE125X230 is dimensionally interchangeable per ISO 15552 / VDMA 24562 standards. You can use it as a drop-in replacement for other ISO 15552 profile cylinders, matching the exact 125 mm bore, 230 mm stroke, PT1/2 port, and standardized mounting interface without altering your machine footprint.
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