Airtac SAU Standard Air Cylinder SAU80X220S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X220S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 220mm 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
- Stroke220 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X220S
The AirTAC SAU80X220S is a double-acting, single-rod profile cylinder featuring an extruded aluminum barrel. It is engineered to be significantly shorter than an ISO 15552 cylinder of the same bore, providing a space-saving advantage in tight machinery layouts. Operating at 0.5 MPa, it delivers a push force of 2513 N and a pull force of 2268 N. The unit features a 3/8" port, an M20x1.5 rod thread, and a 25 mm piston rod.
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 vertical lift applications, this translates to lifting about 128 kg with a 2:1 safety margin. This SKU includes the -S magnet, allowing you to mount CMSG, DMSG, or EMSG switches directly into the barrel's sensor groove for precise position detection. If your environment exceeds the standard -20 to +70 C range, you can opt for the high-temperature Viton H seal to handle up to 150 C.
Airtac SAU Standard Air Cylinder SAU80X220S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X220S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 220 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 SAU80X220S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×220 | 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 SAU80X220S Is Used
Injection Mold Clamping
Provides 2513 N of push force at 0.5 MPa to secure mid-sized injection mold halves, utilizing the compact profile to fit within dense mold changeover machinery.
Package Divert Arm
Actuates a heavy routing arm on a logistics conveyor, using the 220 mm stroke to push parcels firmly onto adjacent sorting lanes without overshooting.
Pallet Stopper Gate
Functions as a heavy-duty pneumatic stop in palletizing cells, where the built-in -S magnet triggers DMSG sensors to confirm the gate is fully raised before pallet arrival.
Is the Airtac SAU Standard Air Cylinder SAU80X220S the Right Cylinder?
When sizing this actuator, compare its output against adjacent bores: the 63 mm bore offers 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N. Choose the 80 mm bore when your load requires the 2513 N push force and you need to maintain a tighter physical footprint. The 220 mm stroke is well within the 1500 mm standard maximum, keeping the unit readily available. Because this is a double-acting cylinder, it relies on continuous air pressure to move; the adjustable air cushions at both ends only decelerate the piston near the stroke limits and will not hold a load if air is lost. For suspended or vertical loads, integrate an external rod lock or a pilot-operated check valve to prevent drifting. Mounting is simplified using AirTAC SC-series accessories, including LB foot brackets, FA/FB flanges, and CA/CB clevises.
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 SAU80X220S FAQ
The SAU80X220S has a 3/8" air port and an M20x1.5 rod thread. At 0.5 MPa it pushes with 2513 N and pulls with 2268 N. At 0.7 MPa the push force is 3518 N, and at 0.9 MPa it is 4523 N. The theoretical maximum force is 513 kgf at 1.0 MPa.
You cannot use ISO 15552 brackets, as the SAU is a distinct profile cylinder that is physically shorter than an ISO equivalent. However, it shares mounting dimensions with the AirTAC SC series, so you can use SC-series LB, FA, FB, CA, and CB mounts. Because this model includes the -S magnet, it fully supports CMSG, DMSG, and EMSG sensors in the barrel groove.
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