Airtac SAU Standard Air Cylinder SAU80X90
The AirTAC Airtac SAU Standard Air Cylinder SAU80X90 is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 90mm 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
- Stroke90 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X90
The AirTAC SAU80X90 is a double-acting profile-type cylinder featuring a 80 mm bore and 90 mm stroke. Its extruded aluminum barrel makes it shorter and more compact than an ISO 15552 cylinder of the same bore, providing a space-saving advantage in tight machinery. It delivers a robust push force of 2513 N at 0.5 MPa, paired with a 3/8" port and an M20x1.5 rod thread.
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. This equates to lifting about 128 kg vertically with a 2:1 safety margin. The unit uses adjustable air cushions at both ends to decelerate the piston near stroke end, and because this SKU lacks the -S magnet, it cannot accept CMSG, DMSG, or EMSG magnetic switches.
Airtac SAU Standard Air Cylinder SAU80X90 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X90 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 90 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 SAU80X90
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×90 | 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 SAU80X90 Is Used
Stamping Press Feed
Drives the clamp and feed mechanism in a metal stamping line, utilizing the 2513 N push force to grip heavy steel coils securely before transfer.
Pallet Dispenser
Pushes empty wooden pallets into a stacking magazine, where the 128 kg safe vertical lift capacity easily handles the weight of multiple stacked units.
Package Divertor
Actuates a routing gate on a high-speed logistics conveyor, using the compact 90 mm stroke to quickly redirect heavy cartons onto secondary packing lanes.
Is the Airtac SAU Standard Air Cylinder SAU80X90 the Right Cylinder?
When sizing this actuator, compare it against adjacent bores: a 63 mm bore provides 1559 N push at 0.5 MPa, while a 100 mm bore yields 3927 N. This 80 mm model offers 2513 N, making it ideal for medium-heavy tasks. Mounting is straightforward using AirTAC SC-series accessories, such as LB foot brackets, FA/FB flanges, or CA/CB clevises. For stroke guidance, the 90 mm travel is short enough to avoid rod-bending concerns.
Remember that a standard double-acting cylinder drifts when air is lost or the valve is centered. The air cushion only slows the piston near the end of travel and does not function as a braking lock. If your application requires vertical load holding, integrate 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 SAU80X90 FAQ
The SAU80X90 has a 3/8" port and an M20x1.5 rod thread. At 0.5 MPa it pushes 2513 N and pulls 2268 N. At 0.7 MPa the push force is 3518 N, and the theoretical maximum force is 513 kgf at 1.0 MPa.
It is not an ISO 15552 cylinder, so you must use AirTAC SC-series mounting accessories like LB, FA, or CA brackets. Additionally, this specific SKU lacks a magnet, so it cannot support CMSG, DMSG, or EMSG magnetic sensors.
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