Airtac SE50 Standard Cylinder SE50X625
The AirTAC Airtac SE50 Standard Cylinder SE50X625 is a genuine double-acting ISO 15552 / VDMA 24562 profile-barrel air cylinder with a Ø50mm bore and 625mm 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
- Stroke625 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
About the Airtac SE50 Standard Cylinder SE50X625
The AirTAC SE50X625 is a double-acting single-rod ISO 15552 profile cylinder engineered for a 625 mm stroke. Because this length exceeds the 1200 mm standard stroke ceiling for the 50 mm bore, it is supplied as a non-standard made-to-order unit. It yields a 982 N push force at 0.5 MPa and utilizes a PT1/4 port.
The extruded aluminum barrel omits external tie rods, yielding a square body that mounts flush and resists corrosion while exposing sensor grooves on three sides. Note that this specific SKU lacks the -S magnet, so position sensing via CMSE or DMSE switches is not supported without modification. The field-adjustable pneumatic cushioning at both ends allows you to tune end-of-stroke deceleration for long-travel payloads.
Airtac SE50 Standard Cylinder SE50X625 Technical Specifications
| Model | Airtac SE50 Standard Cylinder SE50X625 |
|---|---|
| Series | SE ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 625 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 SE50X625
| SE | ISO 15552 / VDMA 24562 profile-barrel double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×625 | 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 SE50X625 Is Used
Pallet Transfer Line
Provides the 982 N push force needed to index loaded pallets between machining stations over a 625 mm non-standard travel distance.
Case Erector Arm
Drives the folding mechanism for erecting corrugated cardboard boxes, utilizing the full 625 mm stroke to accommodate large format packaging.
Press Brake Ejector
Ejects formed sheet metal parts from a press brake, relying on the adjustable air cushion to soften the impact at the end of the long 625 mm extension.
Is the Airtac SE50 Standard Cylinder SE50X625 the Right Cylinder?
At 0.5 MPa, this 50 mm bore generates 982 N of push force. If your payload is lighter, stepping down to the 40 mm bore gives 628 N, whereas stepping up to the 63 mm bore provides 1559 N. Remember that a standard SE cylinder will drift and cannot hold a load if air pressure drops or the valve centers; for fail-safe holding, use a BSE rod lock variant or an external pilot-operated check valve.
Because the 625 mm stroke is non-standard and exceeds 300 mm, the unsupported piston rod is highly susceptible to bending under side loads. You must use an external guide rail to prevent rod-bearing damage and stick-slip friction during the extended travel.
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 SE50X625 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 is 1374 N. The maximum push force is 200 kgf at the 1.0 MPa operating pressure limit.
Yes, the SE50X625 is dimensionally interchangeable per ISO 15552 standards, meaning it shares the same mounting footprint and PT1/4 port sizes with other ISO 15552 profile cylinders. However, this specific SKU lacks the internal magnet required for position sensing.
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