Airtac SE125 Standard Cylinder SE125X240
The AirTAC Airtac SE125 Standard Cylinder SE125X240 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 240mm 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
- Stroke240 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X240
The AirTAC SE125X240 is a double-acting single-rod ISO 15552 profile cylinder built for heavy-duty pneumatics, delivering a substantial 6136 N push force at 0.5 MPa. Its extruded aluminum barrel omits external tie rods, yielding a smooth, corrosion-resistant body that mounts flush against machine frames while surviving harsh industrial environments.
This 125 mm bore unit features a 240 mm stroke and a field-adjustable air cushion at both ends to decelerate massive 1252 kgf peak loads smoothly. Note that this specific SKU lacks a built-in magnet, so it cannot host CMSE or DMSE position sensors without modification.
Airtac SE125 Standard Cylinder SE125X240 Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X240 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 240 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 SE125X240
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×240 | 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 SE125X240 Is Used
Injection Mold Platens
Drives heavy injection mold platens where the 8590 N push at 0.7 MPa securely locks the tooling halves together under high clamping pressure.
Stamping Press Feeders
Positions thick steel coils into heavy stamping presses, relying on the 125 mm bore's 6136 N force to shift substantial material weight accurately.
Palletizer Lift Gates
Actuates heavy safety lift gates on automated palletizers, using the field-adjustable end cushions to soften the 240 mm stroke stops at high speeds.
Is the Airtac SE125 Standard Cylinder SE125X240 the Right Cylinder?
If your application demands less force, stepping down to the 100 mm bore yields a 3927 N push at 0.5 MPa, whereas moving up is not an option as 125 mm is the largest standard SE size. Because this is a plain double-acting cylinder, it cannot hold a load if air pressure drops or the valve centers; the piston will drift, so you must specify a BSE rod lock for fail-safe vertical holding.
At 240 mm of travel, the 32 mm rod and M27x2 thread provide robust rigidity, but always verify side-load limits. For heavy off-center loads at this stroke length, integrate an external guide rail to prevent rod-bearing bending and premature seal 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 SE125X240 FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At 0.7 MPa, the push increases to 8590 N. The maximum push force is 1252 kgf at 1.0 MPa.
Yes, the SE125X240 is dimensionally interchangeable per ISO 15552 standards. You can drop it in as a replacement for other ISO 15552 profile cylinders using the standard PT1/2 port and matching mounting hardware.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SE125 Standard Cylinder SE125X240
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.