Airtac SE50 Standard Cylinder SE50AX125
The AirTAC Airtac SE50 Standard Cylinder SE50AX125 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 125mm stroke, PT1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ50 mm
- Stroke125 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX125
The AirTAC SE50AX125 is a double-acting single-rod ISO 15552 profile cylinder engineered for demanding environments. It features a SUS420J2 stainless steel rod (code A) that resists corrosion during washdowns, while delivering a robust 982 N push force at 0.5 MPa. The extruded aluminum barrel omits external tie rods, yielding a compact footprint that mounts flush against machine frames.
Field-adjustable pneumatic cushioning at both end caps allows technicians to tune end-of-stroke deceleration via a set screw, protecting payloads from hard impacts. This specific SKU is configured without a position sensor magnet, operating at speeds from 30-800 mm/s with a PT1/4 port.
Airtac SE50 Standard Cylinder SE50AX125 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX125 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SE50 Standard Cylinder SE50AX125
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×125 | 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 SE50 Standard Cylinder SE50AX125 Is Used
Bottle Capper Heads
Drives capping heads on rotary beverage lines where the SUS420J2 rod survives daily chemical washdowns while applying 982 N of precise downward force.
Carton Flap Folders
Actuates mechanical flap-folding arms on corrugated box sealers, utilizing the 125 mm stroke to clear varying package heights at high cycling rates.
Pallet Diverter Gates
Pivots routing gates on roller conveyors to sort pallets, relying on the adjustable end cushions to soften stops and protect the 50 mm bore mechanism.
Is the Airtac SE50 Standard Cylinder SE50AX125 the Right Cylinder?
When sizing this 50 mm bore, compare its 982 N push at 0.5 MPa against the 40 mm bore (628 N) if your load is lighter, or step up to the 63 mm bore (1559 N) for heavier demands. As an ISO 15552 profile cylinder, it serves as a drop-in dimensional replacement for other ISO 15552 cylinders, sharing standard mounting hardware like FA or LB brackets. To add position feedback, you would specify an -S magnet for CMSE or DMSE sensors. Note that a plain SE cylinder relies on continuous air pressure to hold a load; if your process loses air, the piston drifts, requiring a BSE rod lock for safety.
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 SE50 Standard Cylinder SE50AX125 FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At 0.7 MPa, the push force increases to 1374 N. The maximum push force is 200 kgf at 1.0 MPa. Operating pressure spans 0.15-1.0 MPa with a speed range of 30-800 mm/s.
Yes, it is dimensionally interchangeable per ISO 15552, allowing a drop-in replacement for other standard profile cylinders using identical mounting accessories. However, it does not hold its position if air pressure is lost; you would need a BSE variant for rod-locking functionality.
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