Airtac SAU Standard Air Cylinder SAU80X260S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X260S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 260mm stroke, 3/8" air ports and adjustable end cushioning. Its hard-anodized aluminum-profile barrel is shorter than an ISO 15552 cylinder of the same bore, and it shares SC-series mounting accessories.
- BoreØ80 mm
- Stroke260 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X260S
The AirTAC SAU80X260S is a double-acting profile-type cylinder engineered with an extruded aluminum barrel. It provides a massive 2513 N of push force and 2268 N of pull force at 0.5 MPa, operating via a 3/8" port and a 25 mm rod with an M20x1.5 thread. Because it is shorter than an ISO 15552 cylinder of the same bore, it saves valuable machine space while delivering high power. The integrated 28 mm adjustable air cushions at both ends decelerate the piston smoothly at stroke ends.
With the included -S magnet, this model directly supports CMSG, DMSG, and EMSG electronic switches in the profile groove. For real-world sizing, plan for a safe working load of about 1508 N (roughly 60% of the 0.5 MPa push figure) to account for seal friction. Alternatively, you can expect it to lift about 128 kg vertically with a 2:1 safety margin. If your environment exceeds standard temperatures, you can specify the Viton H high-temperature seal option to handle up to 150 C.
Airtac SAU Standard Air Cylinder SAU80X260S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X260S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAU series datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G (BSPP). A high-temperature seal (0-150 °C) is available.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAU Standard Air Cylinder SAU80X260S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×260 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAU-family variants: SAUD (double rod), SAUJ (adjustable stroke), SAUF (with built-in solenoid valve), and SAU-S with built-in magnet. Seals: TPU (blank) / Viton H / NBR N. Sensor switches: CMSG / DMSG / EMSG.
Where the Airtac SAU Standard Air Cylinder SAU80X260S Is Used
Heavy Stamping Press
Drives a heavy-duty stamping die with 2513 N of force, utilizing the 28 mm adjustable cushion to absorb impact at the end of the 260 mm stroke.
Pallet Lift Gate
Lifts loaded pallets weighing up to 128 kg vertically, relying on the 25 mm chrome rod to maintain rigidity during the transfer cycle.
Logistics Diverter
Pushes heavy parcels across a sorting line, where the compact profile length frees up space along the conveyor frame for other mechanics.
Is the Airtac SAU Standard Air Cylinder SAU80X260S the Right Cylinder?
This 80 mm bore sits between the 63 mm class (1559 N push at 0.5 MPa) and the 100 mm class (3927 N push at 0.5 MPa), making it the ideal middle ground for heavy material handling. You can mount it using AirTAC SC-series accessories like LB foot brackets, FA/FB flanges, or CA/CB clevises. Keep in mind that this standard double-acting cylinder will drift if air pressure drops or the valve is centered; the air cushion only decelerates the piston and does not act as a brake. For suspended or vertical loads that must hold position, add an external rod lock or a pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for 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 (FA/FB/CA/CB/LB — same as SC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAU Standard Air Cylinder SAU80X260S FAQ
This 80 mm bore cylinder features a 3/8" port and generates 2513 N push / 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, 4523 N push at 0.9 MPa, and a theoretical maximum of 513 kgf at 1.0 MPa.
No, it is not dimensionally interchangeable with ISO 15552 cylinders, though it shares mounting accessories with the AirTAC SC series. The -S magnet in this unit allows you to install CMSG, DMSG, or EMSG sensors directly into the barrel groove.
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