Airtac SE50 Standard Cylinder SE50AX120
The AirTAC Airtac SE50 Standard Cylinder SE50AX120 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 120mm 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
- Stroke120 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX120
The AirTAC SE50AX120 is a double-acting, single-rod ISO 15552 profile cylinder engineered with a 50 mm bore and 120 mm stroke. It delivers a robust 982 N push force at 0.5 MPa (1374 N at 0.7 MPa), utilizing a PT1/4 port and a 20 mm rod with an M16x1.5 thread. Equipped with a SUS420J2 stainless steel rod (code A), this unit is specifically built for corrosive and washdown environments where standard carbon steel would fail prematurely.
The extruded aluminum barrel design omits external tie rods, yielding a compact, flush-mounting profile that resists dirt buildup and simplifies sensor placement across three integrated grooves. Furthermore, the field-adjustable pneumatic cushioning at both ends allows technicians to precisely tune end-of-stroke deceleration via a set screw, effectively softening hard mechanical impacts without relying on fixed rubber bumpers.
Airtac SE50 Standard Cylinder SE50AX120 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX120 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 120 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 SE50AX120
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×120 | 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 SE50AX120 Is Used
Stainless Steel Pouch Sealing
Drives the sealing jaw on a form-fill-seal machine, where the SUS420J2 rod resists daily chemical washdowns and the 982 N force securely crimps packaging film.
Wet Transfer Diverters
Actuates routing gates on a food-grade conveyor belt, utilizing the 120 mm stroke to pivot guides while enduring constant exposure to moisture and cleaning agents.
Lab Reagent Dispensing
Presses metering valves in a diagnostic equipment skid, benefiting from the clean, corrosion-resistant stainless rod and the adjustable cushion to prevent fluid splashing.
Is the Airtac SE50 Standard Cylinder SE50AX120 the Right Cylinder?
If your application requires less force, the 40 mm bore variant provides 628 N of push at 0.5 MPa, whereas stepping up to the 63 mm bore yields 1559 N for heavier loads. Because this SKU lacks the -S magnet option, it cannot host AirTAC CMSE or DMSE position sensors out of the box; if your sequence requires confirmation of piston travel, you will need a model specified with the S option. As a dimensionally interchangeable ISO 15552 cylinder, it serves as a direct drop-in replacement for any standard 50 mm bore, 120 mm stroke profile cylinder footprint.
Keep in mind that a plain double-acting cylinder does not hold its position or lock the load when air pressure is lost or exhausted; the piston will drift. If your machinery requires true mid-stroke holding or fail-safe braking, you must incorporate an external pilot-operated check valve or transition to the AirTAC BSE rod-lock variant.
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 SE50AX120 FAQ
The SE50AX120 generates a push force of 982 N and a pull force of 825 N at 0.5 MPa. At 0.7 MPa, the push force reaches 1374 N, and it achieves a maximum push of 200 kgf at 1.0 MPa.
Yes, the SE50AX120 is dimensionally interchangeable per ISO 15552 / VDMA 24562 standards. You can use it as a drop-in replacement for other 50 mm bore profile cylinders with a 120 mm stroke, matching the standard mounting interface and PT1/4 port size.
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