Airtac SE125 Standard Cylinder SE125X500SFTC
The AirTAC Airtac SE125 Standard Cylinder SE125X500SFTC is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 500mm 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
- Stroke500 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125X500SFTC
The AirTAC SE125X500S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty pneumatics, delivering a substantial 6136 N push force at 0.5 MPa. Driven by a 32 mm hard-chrome rod with an M27x2 thread, it handles high side-load stresses effectively. The square extruded aluminum barrel omits external tie rods entirely, yielding a compact, corrosion-resistant body that mounts flush against machine frames.
Equipped with a built-in magnet for CMSE and DMSE position sensing, this 500 mm stroke unit utilizes a field-adjustable air cushion at both ends to decelerate massive loads smoothly over its 40 mm cushion length. The integrated FTC mounting accessory ensures rigid centerline attachment, while the standardized ISO 15552 dimensions guarantee a true drop-in retrofit for existing VDMA 24562 tooling.
Airtac SE125 Standard Cylinder SE125X500SFTC Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125X500SFTC |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 500 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 SE125X500SFTC
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×500 | 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 SE125X500SFTC Is Used
Automotive Stamping Press
Drives heavy lower dies on a 500 mm stroke, utilizing the 6136 N push force to seat tooling firmly and the adjustable 40 mm cushion to absorb high kinetic energy.
Palletizer Main Lift
Elevates full layer-forming platforms in packaging lines, relying on the rigid FTC mount and 32 mm rod to handle high eccentric loads without deflection.
Injection Mold Extraction
Pushes large molded plastic parts out of heavy machinery, using the integrated magnet with DMSE solid-state sensors to confirm part ejection over the long stroke.
Is the Airtac SE125 Standard Cylinder SE125X500SFTC the Right Cylinder?
At 0.5 MPa, this 125 mm bore generates 6136 N of extend force; if your application requires less thrust, stepping down to the 100 mm bore yields 3927 N, whereas moving up is not an option as this is the largest standard SE size. Because the 500 mm stroke places significant leverage on the rod bearing, an external guide is strongly recommended to prevent bending and premature seal wear under high side loads. Remember that the adjustable air cushion only decelerates the piston near stroke end and does not hold the load if air pressure drops; for position holding, consider 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 SE125X500SFTC FAQ
This 125 mm bore cylinder delivers 6136 N push and 5734 N pull at 0.5 MPa, 8590 N push at 0.7 MPa, and a maximum push of 1252 kgf at 1.0 MPa. Its operational speed range is 30-500 mm/s.
Yes, the SE125X500S is dimensionally interchangeable per ISO 15552 / VDMA 24562 standards, meaning it shares the exact same mounting footprint and port sizes (PT1/2) as other standard profile cylinders without requiring frame modifications.
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