Airtac SE125 Standard Cylinder SE125X135S
The AirTAC Airtac SE125 Standard Cylinder SE125X135S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 135mm 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
- Stroke135 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X135S
The AirTAC SE125X135S is a double-acting single-rod profile cylinder built to the ISO 15552 / VDMA 24562 standard. It features a robust 125 mm bore and a 135 mm stroke, delivering a substantial 6136 N push force at 0.5 MPa. This makes it an excellent choice for heavy-duty press operations and high-load automation tasks.
The extruded aluminum barrel design omits external tie rods, providing a smooth, corrosion-resistant exterior that mounts flush in tight machinery spaces. Equipped with a built-in magnet (-S), this unit seamlessly integrates with AirTAC CMSE reed and DMSE electronic sensors for precise end-of-stroke detection. Field-adjustable air cushions at both ends allow you to fine-tune deceleration and soften hard impacts at high speeds.
Airtac SE125 Standard Cylinder SE125X135S Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X135S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 135 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 SE125X135S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×135 | 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 SE125X135S Is Used
Metal Stamping Press
Provides the 6136 N push force required to drive small stamping dies and form heavy-gauge sheet metal components securely.
Injection Molding Extraction
Handles the high tensile loads of pulling heavy molded plastic parts from deep tooling cavities using its 5734 N pull capacity.
Wood Board Straightening
Flattens and aligns dense wood paneling on conveyor lines where substantial 125 mm bore clamping pressure is mandatory.
Is the Airtac SE125 Standard Cylinder SE125X135S the Right Cylinder?
When sizing this 125 mm bore model, stepping down to the 100 mm bore reduces the 0.5 MPa push force to 3927 N, while the 125 mm stands as the largest standard option in the SE range, offering a maximum 1252 kgf at 1.0 MPa. Because a plain SE cylinder relies on live air pressure to hold its load, the piston will drift if air is lost or the valve is centered; for safety-critical holding, consider the BSE rod lock variant. To ensure accurate position feedback, pair the built-in magnet with CMSE or DMSE sensors. For drop-in retrofits, this model is dimensionally interchangeable with other ISO 15552 profile cylinders, utilizing the standard PT1/2 port and M27x2 rod thread.
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 SE125X135S FAQ
At 0.5 MPa, the SE125X135S delivers 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force reaches 8590 N, with a maximum push capacity of 1252 kgf at 1.0 MPa. The operational speed range is 30-500 mm/s.
It is dimensionally interchangeable per ISO 15552, meaning it shares standard mounting and PT1/2 port dimensions with other profile cylinders. However, it does not hold position when air is exhausted; the adjustable air cushion only decelerates the piston near the stroke end, so an external rod lock is needed for fail-safe holding.
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