Airtac SAU Standard Air Cylinder SAU80X240S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X240S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 240mm 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
- Stroke240 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X240S
The AirTAC SAU80X240S is a double-acting profile-type cylinder with an extruded aluminum barrel, delivering a robust 2513 N push force at 0.5 MPa. Because its overall length is shorter than an ISO 15552 cylinder of the same bore, it saves valuable space in tight machine layouts. It features a 3/8" port, an M20x1.5 rod thread, and adjustable air cushions at both ends to smoothly decelerate the piston.
For real-world sizing, plan for a safe working load of about 1508 N (roughly 60% of the 0.5 MPa rating) to account for friction, or expect it to lift about 128 kg vertically with a 2:1 safety margin. This -S variant includes a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG switches directly into the barrel's sensor groove for precise position detection.
Airtac SAU Standard Air Cylinder SAU80X240S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X240S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 240 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 SAU80X240S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×240 | 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 SAU80X240S Is Used
Injection Mold Clamping
Provides high clamping force for mid-sized injection mold tools, utilizing the 240 mm stroke to clear the mold parting line safely.
Pallet Stopper Gate
Acts as a heavy-duty stopper arm on conveyor lines, using its 128 kg vertical lift capacity to halt and index loaded pallets.
Press Fit Assembly
Drives bearings into heavy housings on an automated line, relying on the 2513 N push force to seat components without hydraulics.
Is the Airtac SAU Standard Air Cylinder SAU80X240S the Right Cylinder?
When sizing this unit, compare it against adjacent bores: a 63 mm bore yields 1559 N push at 0.5 MPa, while a 100 mm bore provides 3927 N, ensuring you can step up or down to match your exact load. Mounting is straightforward using AirTAC SC-series accessories, such as LB foot brackets, FA/FB flanges, or CA/CB clevises. Keep in mind that a standard cylinder drifts if air pressure drops or the valve is centered; the cushion only slows travel at the end of the stroke rather than locking the rod. For suspended loads, 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 SAU80X240S FAQ
This 80 mm bore cylinder features a 3/8" port and delivers 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 it reaches a theoretical maximum of 513 kgf at 1.0 MPa.
The -S suffix means it has a piston magnet, allowing CMSG, DMSG, or EMSG switches to be fitted into the profile groove. It is shorter than an ISO 15552 cylinder, so you must use AirTAC SC-series mounting accessories like LB, FA, or CA brackets rather than standard ISO hardware.
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