Airtac SE125 Standard Cylinder SE125BX200CA
The AirTAC Airtac SE125 Standard Cylinder SE125BX200CA is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø125mm bore and 200mm 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
- Stroke200 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 40 mm
About the Airtac SE125 Standard Cylinder SE125BX200CA
The AirTAC SE125BX200CA is a double-acting single-rod profile cylinder built to ISO 15552 dimensions, delivering a robust 6136 N push force at 0.5 MPa. It features a SUS304 stainless steel piston rod (code B) specifically engineered for corrosive environments and washdown duty. The square extruded aluminum barrel eliminates external tie rods, yielding a compact body that mounts flush against machine frames while resisting contamination.
This 125 mm bore unit utilizes a PT1/2 port and a field-adjustable air cushion at both ends to decelerate heavy 1252 kgf loads smoothly near stroke end. It carries a CA single clevis mounting accessory and operates without a position sensor magnet, relying purely on pneumatic control for its 200 mm stroke.
Airtac SE125 Standard Cylinder SE125BX200CA Technical Specifications
| Model | Airtac SE125 Standard Cylinder SE125BX200CA |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø125 mm |
| Stroke | 200 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 SE125BX200CA
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 125 | Bore size in mm. |
| ×200 | 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 SE125BX200CA Is Used
Stamping Press Ejection
Uses the 6136 N extend force to positively eject heavy formed metal panels from a stamping die, leveraging the SUS304 rod to resist cutting fluid splash.
Pivoting Diverter Arm
Employs the CA single clevis to pivot a heavy diverter gate on a high-capacity aggregate conveyor, absorbing shock via the field-adjustable end cushions.
Washdown Actuation
Drives a heavy-duty packaging flap in a food-grade washdown environment, where the SUS304 rod prevents corrosion during daily high-pressure cleaning cycles.
Is the Airtac SE125 Standard Cylinder SE125BX200CA the Right Cylinder?
Select this 125 mm bore cylinder when an application demands up to 6136 N of push at 0.5 MPa. If you need to step down to reduce physical size and air consumption, the neighboring 100 mm bore provides 3927 N of push at 0.5 MPa; as the largest standard ISO 15552 size in this series, there is no larger bore option available for scaling up. This SKU omits the -S magnet, so position feedback requires external limit switches rather than AirTAC CMSE or DMSE sensors.
Because this is a plain double-acting cylinder, it cannot hold a load if air pressure is lost or the valve is centered—the piston will drift. For gravity-loaded vertical applications requiring safety holding, consider the BSE rod lock variant. The CA single clevis supplied is ideal for pivoting articulation, and while 200 mm is a moderate stroke, always verify side-load limits on the 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 SE125BX200CA FAQ
At 0.5 MPa, this 125 mm bore cylinder provides 6136 N of push force and 5734 N of pull force. At 0.7 MPa, the push force increases to 8590 N. The maximum push force is 1252 kgf at 1.0 MPa. The operational speed range is 30-500 mm/s.
Yes, the SE125BX200CA is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 profile cylinders. It shares standard mounting dimensions and utilizes a PT1/2 port, though it uses a square extruded aluminum barrel without external tie rods.
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