Airtac SE50 Standard Cylinder SE50AX225
The AirTAC Airtac SE50 Standard Cylinder SE50AX225 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 225mm 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
- Stroke225 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX225
The AirTAC SE50AX225 is a double-acting single-rod profile cylinder built to the ISO 15552 standard, delivering a robust 982 N push force at 0.5 MPa. It features a 50 mm bore and a 225 mm stroke, utilizing a PT1/4 port and a 20 mm rod with an M16x1.5 thread. Because it uses a square extruded aluminum barrel without external tie rods, the body is highly compact, corrosion-resistant, and mounts flush against machine frames.
This specific SKU is configured with a SUS420J2 stainless steel rod (option A), making it highly suitable for corrosive environments or washdown duty. It includes field-adjustable air cushioning at both ends to decelerate the piston near stroke end, and operates without a position sensor magnet, relying on standard pneumatic control rather than electronic feedback.
Airtac SE50 Standard Cylinder SE50AX225 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX225 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 225 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 SE50AX225
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×225 | 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 SE50AX225 Is Used
Pharmaceutical Valve Actuation
Ideal for washdown processing lines, the SUS420J2 stainless rod resists moisture while providing 982 N of push to actuate heavy diverter valves in clean-in-place systems.
Carton Flap Folding
Delivers precise 225 mm travel to fold large corrugated carton flaps, utilizing the adjustable end cushions to prevent harsh impacts at high cycling speeds.
Belt Tracking Adjuster
Moves heavy conveyor belt tracking frames smoothly with its 825 N pull force, benefiting from the rigid square profile barrel that mounts flush to conveyor supports.
Is the Airtac SE50 Standard Cylinder SE50AX225 the Right Cylinder?
When sizing this 50 mm bore cylinder, evaluate your force requirements against its 982 N push at 0.5 MPa. If your application needs less force, stepping down to the 40 mm bore yields 628 N of push, while stepping up to the 63 mm bore provides 1559 N. This SE50AX225 is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other ISO 15552 cylinders using the same 50 mm bore, 225 mm stroke, PT1/4 port, and mounting accessories. Note that a plain SE cylinder does not hold its position or load when air is lost or exhausted; the piston will drift, so use a BSE rod lock for positive holding.
Since the 225 mm stroke is relatively long, be aware of side-load and rod-bearing bending risks. Even with the sturdy 20 mm rod, an unsupported load over this distance can cause premature wear, so incorporating an external guide mechanism is recommended for optimal longevity.
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 SE50AX225 FAQ
At 0.5 MPa, this 50 mm bore cylinder provides 982 N of push and 825 N of pull. At 0.7 MPa, the push increases to 1374 N, with a maximum push capacity of 200 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
Yes, the SE50AX225 is dimensionally interchangeable per ISO 15552, meaning it shares the exact same mounting interface, 50 mm bore, 225 mm stroke, and PT1/4 port dimensions. It serves as a direct drop-in replacement for other standard ISO 15552 profile cylinders.
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