Airtac SAU Standard Air Cylinder SAU80X30
The AirTAC Airtac SAU Standard Air Cylinder SAU80X30 is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 30mm 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
- Stroke30 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X30
The AirTAC SAU80X30 is a double-acting profile-type cylinder built around an extruded aluminum barrel with integrated sensor grooves. By eliminating external tie rods, it achieves a meaningfully shorter overall envelope than an ISO 15552 cylinder of the same bore, making it highly effective for machinery where axial space is restricted. In this 80 mm bore class it provides 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 carbon steel rod with an M20x1.5 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 dynamics. If lifting a mass vertically, this translates to hoisting about 128 kg safely with a 2:1 margin. The unit features 28 mm adjustable air cushions at both ends to tame end-of-stroke impact. Note that because this specific SKU lacks the -S magnet suffix, it cannot host CMSG, DMSG, or EMSG magnetic switches for position sensing.
Airtac SAU Standard Air Cylinder SAU80X30 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X30 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 30 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 SAU80X30
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×30 | 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 SAU80X30 Is Used
Injection Mold Clamping
Ideal for short 30 mm clamping strokes on mid-sized injection molds, utilizing the 2513 N push force to secure tooling halves rapidly.
Heavy Package Diverter
Provides robust lateral pushing power on packaging lines to divert heavier cartons, benefiting from the compact profile to fit within tight conveyor frames.
Pallet Stopper Gate
Acts as a heavy-duty stop mechanism in pallet handling systems, where the 25 mm rod withstands repeated impacts from incoming loads.
Is the Airtac SAU Standard Air Cylinder SAU80X30 the Right Cylinder?
When sizing this actuator, evaluate your force margins against adjacent bores. If your application is lighter, the 63 mm bore offers 1559 N push at 0.5 MPa and saves physical space. If you need substantially more thrust, stepping up to the 100 mm bore yields 3927 N at 0.5 MPa. This 80 mm model strikes a balance with 2513 N push at 0.5 MPa and a maximum theoretical output of 513 kgf at 1.0 MPa.
Mount this cylinder using AirTAC SC-series accessories, such as LB foot brackets, FA/FB flanges, or CA/CB clevises. Remember that a standard double-acting cylinder drifts when air pressure is lost or the control valve is centered; the adjustable cushion only decelerates the piston near the stroke ends and will not act as a braking lock. To suspend a load securely during an emergency stop, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 SAU80X30 FAQ
The SAU80X30 features a 3/8" air port and a 25 mm rod. It delivers 2513 N push and 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 force of 513 kgf at 1.0 MPa.
No, because this specific SKU does not include the -S magnet option, it cannot support CMSG, DMSG, or EMSG magnetic switches. You would need to select an SAU80X30-S variant to utilize the integrated sensor groove for position detection.
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