Airtac SE50 Standard Cylinder SE50X850S
The AirTAC Airtac SE50 Standard Cylinder SE50X850S is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 850mm 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
- Stroke850 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50X850S
The AirTAC SE50X850S is a double-acting single-rod profile cylinder built to the ISO 15552 standard, delivering a push force of 982 N at 0.5 MPa. Its extruded aluminum barrel omits external tie rods, yielding a compact footprint that mounts flush against machine frames while resisting corrosion. The integrated -S magnet enables direct position tracking using AirTAC CMSE reed or DMSE electronic switches seated in the triple sensor grooves.
Field-adjustable pneumatic cushioning at both stroke ends allows technicians to tune the exhaust bleed and soften hard mechanical impacts at high travel speeds. Because this is a non-locking actuator, the piston will drift if air pressure drops or the valve centers. For applications requiring position maintenance without live air, consider the BSE rod-lock variant.
Airtac SE50 Standard Cylinder SE50X850S Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50X850S |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 850 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 SE50X850S
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×850 | 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 SE50X850S Is Used
Pallet Diverting Gate
Uses the 850 mm stroke to actuate a diverting arm across a 1000 mm wide packaging conveyor, relying on the 982 N push force to overcome friction on fully loaded pallets.
Film Roll Splicing
Extends to position a new shrink-wrap film roll into a continuous flow wrapper splice station, utilizing the -S magnet and DMSE sensors to confirm full extension.
CNC Chip Conveyor
Drives a hopper gate on a machining center chip conveyor, where the adjustable end cushions soften the 800 mm/s impact of the 50 mm piston at stroke limits.
Is the Airtac SE50 Standard Cylinder SE50X850S the Right Cylinder?
This 50 mm bore provides 982 N push at 0.5 MPa. If your application is lighter, stepping down to the 40 mm bore drops the output to 628 N, whereas stepping up to the 63 mm bore increases it to 1559 N. At an 850 mm stroke, the 20 mm hard-chrome rod and its internal bearing face significant bending moments under side loads; always pair this unit with an external linear guide to prevent premature seal wear.
As a dimensionally interchangeable ISO 15552 cylinder, it serves as a drop-in replacement for other 50 mm profile cylinders on the market. Confirm your porting matches the PT1/4 threads, and specify the appropriate mounting accessory—such as an FA front flange or TC center trunnion—to handle the moment loads of the long 850 mm extension.
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 SE50X850S 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 when operated at the 1.0 MPa pressure limit.
No. The adjustable air cushions only decelerate the piston near the end of the stroke and do not function as a brake. If the valve is centered or air is lost, the rod will drift. A BSE rod lock variant or external pilot check valve is required for position holding.
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