Airtac SE50 Standard Cylinder SE50X55S
The AirTAC Airtac SE50 Standard Cylinder SE50X55S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 55mm 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
- Stroke55 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50X55S
The AirTAC SE50X55S is a double-acting, single-rod ISO 15552 profile cylinder engineered to deliver 982 N of push force at 0.5 MPa and up to 1374 N at 0.7 MPa. Its extruded aluminum barrel omits external tie rods, yielding a compact, corrosion-resistant body that mounts flush against machine frames without protruding hardware.
Because this unit carries the -S magnet code, it is fully primed for CMSE reed and DMSE electronic position sensing. The integrated field-adjustable pneumatic cushioning at both stroke ends allows you to tune end-of-travel deceleration via a set screw, softening hard mechanical stops during rapid 30-800 mm/s cycling.
Airtac SE50 Standard Cylinder SE50X55S Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50X55S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 55 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 SE50X55S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×55 | 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 SE50X55S Is Used
Carton Erector Flap Folding
Uses the 982 N push at 0.5 MPa to snap corrugated cardboard flaps into position on a continuous motion carton erector, relying on the 55 mm stroke for tight cycle timing.
Bottling Line Diverter Gate
Pivots a routing flap on a high-speed PET bottling conveyor, where the -S magnet triggers DMSE solid-state sensors to confirm lane change completion before the next slug of bottles arrives.
CNC Lathe Parts Chute Gate
Actuates a discharge door on a CNC turning center, utilizing the adjustable pneumatic cushion to softly decelerate the 30 mm cushion length and prevent metallic ringing against the machine enclosure.
Is the Airtac SE50 Standard Cylinder SE50X55S the Right Cylinder?
Delivering a maximum thrust of 200 kgf at 1.0 MPa, this 50 mm bore is a robust mid-range actuator. If your assembly requires less force, the 40 mm neighbor provides 628 N of push at 0.5 MPa; conversely, stepping up to the 63 mm bore yields 1559 N. Keep in mind that a standard SE cylinder relies on live air pressure to move and does not mechanically hold a load if air is exhausted or a valve centers—specify a BSE rod lock variant if static holding is mandatory.
For ISO 15552 retrofits, match the 50 mm bore, 55 mm stroke, PT1/4 port, and your required mounting accessory. The built-in -S magnet ensures drop-in compatibility with AirTAC CMSE and DMSE sensor tracks.
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 SE50X55S FAQ
At 0.5 MPa it provides 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force reaches 1374 N. The absolute maximum push force is 200 kgf when operating at the maximum 1.0 MPa pressure.
Yes. The SE50X55S is dimensionally interchangeable per ISO 15552 standards, meaning it shares the exact mounting footprint, 50 mm bore, 55 mm stroke, PT1/4 port, and M16x1.5 rod thread dimensions, allowing a direct drop-in replacement without major redesign.
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