Airtac SAU Standard Air Cylinder SAU80X80S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X80S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 80mm 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
- Stroke80 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X80S
The AirTAC SAU80X80S is a double-acting profile-type cylinder engineered to be shorter than an ISO 15552 unit of the same bore, yielding a compact footprint for tight machinery. It delivers a push force of 2513 N and a pull force of 2268 N at 0.5 MPa, operating via a 3/8" port. The extruded aluminum barrel integrates a sensor groove, and because this SKU includes the -S magnet, it is fully ready for CMSG, DMSG, or EMSG electronic switches.
For practical sizing, plan for a safe working load of roughly 1508 N at 0.5 MPa to account for seal friction and smooth travel. In a vertical lift scenario with a 2:1 safety margin, this actuator lifts about 128 kg. If your environment exceeds standard thermal limits, swapping to the Viton H seal option raises the operating range to 0-150 C.
Airtac SAU Standard Air Cylinder SAU80X80S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X80S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 80 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 SAU80X80S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 SAU80X80S Is Used
Injection Mold Clamping
Provides robust 2513 N clamping force on mid-sized injection molding platens where a shorter profile cylinder prevents frame interference.
Pallet Stopper Gate
Acts as a heavy-duty stop gate on conveyor lines, securely halting pallets weighing up to 128 kg in vertical lift configurations.
Press Ejection System
Ejects formed metal parts from hydraulic presses, utilizing the 80 mm stroke and integrated magnet to confirm ejection via DMSG sensors.
Is the Airtac SAU Standard Air Cylinder SAU80X80S the Right Cylinder?
When sizing this 80 mm bore, compare it directly with its neighbors: the 63 mm bore provides 1559 N push at 0.5 MPa, while stepping up to the 100 mm bore yields 3927 N. This SAU80X80S fits perfectly in the middle for medium-heavy machinery. It shares mounting accessories with the AirTAC SC series, allowing you to use LB foot brackets, FA/FB flanges, or CA/CB clevises. The 80 mm stroke keeps the rod short enough to avoid bending concerns.
Remember that a standard double-acting cylinder drifts when air is lost or a valve centers; the adjustable 28 mm air cushions only decelerate the piston near the end of travel and do not function as a braking lock. To suspend a load securely during an outage, install 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 SAU80X80S FAQ
This 80 mm bore cylinder features a 3/8" port and a 25 mm piston rod. It generates a push force of 2513 N and a pull force of 2268 N at 0.5 MPa. At 0.7 MPa the push force is 3518 N, and the theoretical maximum force is 513 kgf at 1.0 MPa.
No, it is not an ISO 15552 cylinder, but it is designed to be more compact. Mounting compatibility is strictly with the AirTAC SC series, meaning you can use SC-series LB foot, FA/FB flange, and CA/CB clevis accessories. The -S suffix means it includes a magnet for CMSG, DMSG, or EMSG sensors.
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