Airtac SE50 Standard Cylinder SE50AX155
The AirTAC Airtac SE50 Standard Cylinder SE50AX155 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 155mm 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
- Stroke155 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50AX155
The AirTAC SE50AX155 is a double-acting single-rod ISO 15552 profile cylinder engineered for a 50 mm bore and a 155 mm stroke. It delivers a robust 982 N push force at 0.5 MPa, utilizing a SUS420J2 stainless steel rod (code A) specifically chosen for corrosive or washdown environments. The extruded aluminum barrel omits external tie rods, yielding a compact footprint that mounts flush against machine frames while resisting environmental degradation.
Field-adjustable air cushioning at both ends allows technicians to tune end-of-stroke deceleration via a set screw, softening hard impacts when cycling at speeds up to 30-800 mm/s. This specific SKU is configured without a sensor magnet, meaning position detection via CMSE or DMSE switches is not supported out of the box. The pneumatic ports are PT1/4, and the unit operates reliably within a 0.15-1.0 MPa pressure range.
Airtac SE50 Standard Cylinder SE50AX155 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50AX155 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 155 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 SE50AX155
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×155 | 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 SE50AX155 Is Used
Bottling Washdown Diverter
Employs the SUS420J2 stainless rod to resist moisture in beverage plants, using 982 N of push force to pivot guide rails and divert washing spray runoff.
Corrugated Box Flap Folder
Utilizes the 155 mm stroke to fold major flaps on packaging lines, relying on adjustable pneumatic cushions to prevent tearing the cardboard at high speed.
Seafood Sorting Gate
Leverages the tie-rod-free profile body for easy washdown on seafood processing conveyors, pushing product into grading lanes with 825 N of retract pull force.
Is the Airtac SE50 Standard Cylinder SE50AX155 the Right Cylinder?
Selecting this 50 mm bore makes sense when your application requires the 982 N push at 0.5 MPa provided here. If your load is lighter, stepping down to a 40 mm bore yields 628 N of push force, whereas heavier payloads would justify stepping up to a 63 mm bore for 1559 N. Because this is a standard double-acting cylinder, it will drift and cannot hold a load if air pressure is lost or the valve is centered; use a BSE rod lock variant if static holding is mandatory. As a dimensionally interchangeable ISO 15552 cylinder, it serves as a direct drop-in replacement for other ISO 15552 cylinders sharing the same 50 mm bore, 155 mm stroke, PT1/4 port, and mounting pattern. Note that the SUS420J2 rod material is ideal for moisture exposure, but you cannot add CMSE/DMSE position sensors later without a factory-installed magnet.
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 SE50AX155 FAQ
At 0.5 MPa, this 50 mm bore cylinder provides 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force increases to 1374 N, and the maximum push force is 200 kgf at 1.0 MPa. The operating speed range is 30-800 mm/s.
Yes, the SE50AX155 is dimensionally interchangeable per ISO 15552 standards. You can use it as a drop-in replacement for other ISO 15552 profile cylinders with a 50 mm bore and 155 mm stroke, retaining your existing mounting hardware. Just ensure your setup matches the PT1/4 port thread.
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