Airtac SE125 Standard Cylinder SE125X145S
The AirTAC Airtac SE125 Standard Cylinder SE125X145S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 145mm 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
- Stroke145 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X145S
The AirTAC SE125X145S is a double-acting single-rod ISO 15552 profile cylinder engineered for heavy-duty pneumatic tasks, delivering a robust 6136 N push force at 0.5 MPa. Its square extruded aluminum barrel omits external tie rods, yielding a compact, corrosion-resistant body that mounts flush against machine frames while maintaining the standardized ISO 15552 footprint.
Equipped with a built-in magnet (-S), this unit supports AirTAC CMSE reed and DMSE electronic sensors for precise end-of-stroke detection without external hardware. The field-adjustable pneumatic cushioning at both ends allows technicians to tune the 40 mm cushion length via a set screw, softening the impact of a 1252 kgf maximum load as it reaches the stroke limits.
Airtac SE125 Standard Cylinder SE125X145S Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X145S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 145 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 SE125X145S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×145 | 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 SE125X145S Is Used
Stamping Press Ejection
Provides the 6136 N push force required to knock heavy stamped metal panels out of progressive dies, using the 145 mm stroke to clear the press bed safely.
Injection Mold Separation
Rips apart stubborn large-format injection molds by delivering 5734 N of retract pull, leveraging the 32 mm rod to resist bending during initial breakaway.
Pallet Lift Gate Actuation
Drives the heavy pivot arms of automated pallet lift gates, where the -S magnet triggers DMSE electronic sensors to confirm gate lockup before conveyor transfer.
Is the Airtac SE125 Standard Cylinder SE125X145S the Right Cylinder?
Selecting the SE125X145S is ideal when your application requires moving substantial masses over a 145 mm stroke. If you need to step the bore down to reduce air consumption and physical size, the neighboring 100 mm bore provides 3927 N push at 0.5 MPa. As the largest standard SE bore, stepping up beyond 125 mm requires a custom or multi-stage solution. Remember that a plain SE cylinder relies on continuous air pressure to maintain its position; if the air supply drops, the piston will drift, so integrate a BSE rod lock for fail-safe load holding.
For an ISO 15552 replacement, match the 125 mm bore, 145 mm stroke, PT1/2 port, and your specific mounting accessory. Although this stroke is under 300 mm, the heavy 32 mm rod and M27x2 thread provide excellent rigidity, yet any severe lateral loading should still be managed with an external guide rail to prevent rod-bearing wear.
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 SE125X145S FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At 0.7 MPa, the push force increases to 8590 N. The maximum push force is 1252 kgf when operated at the 1.0 MPa pressure limit.
Yes, the SE125X145S is dimensionally interchangeable per ISO 15552 standards. You can drop it in as a replacement for other ISO 15552 profile cylinders, matching the 125 mm bore, 145 mm stroke, and PT1/2 porting, while utilizing standard mounting accessories.
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