Airtac SAU Standard Air Cylinder SAU80X75S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X75S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 75mm 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
- Stroke75 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X75S
The AirTAC SAU80X75S is a double-acting profile-type cylinder engineered to be shorter than an ISO 15552 unit of the same bore, saving valuable machine space. It delivers a push force of 2513 N and a pull force of 2268 N at 0.5 MPa, operating through a 3/8" port with a 25 mm rod and M20x1.5 thread.
Featuring a built-in piston magnet, this unit supports CMSG, DMSG, and EMSG switches for precise position detection. For practical sizing, plan for a safe working load of roughly 1508 N at 0.5 MPa, or expect it to lift about 128 kg vertically with a 2:1 safety margin.
Airtac SAU Standard Air Cylinder SAU80X75S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X75S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 75 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 SAU80X75S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×75 | 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 SAU80X75S Is Used
Injection Mold Extraction
Provides the robust push force needed to eject heavy plastic parts from molding machines without consuming excessive machine length.
Pallet Stopper Gate
Acts as a heavy-duty stopper arm on conveyor lines, securely halting loaded pallets before downstream sorting operations.
Press Ejection System
Drives finished components out of mechanical presses, utilizing the 28 mm adjustable cushion to absorb high kinetic energy at stroke end.
Is the Airtac SAU Standard Air Cylinder SAU80X75S the Right Cylinder?
When sizing this actuator, stepping down to a 63 mm bore yields 1559 N of push force at 0.5 MPa, whereas stepping up to a 100 mm bore provides 3927 N. Choose the 80 mm bore when your application requires substantial force within a compact footprint.
The included -S magnet enables solid-state or reed sensor tracking along the barrel groove. Note that the adjustable air cushion only decelerates the piston near stroke end; it does not function as a brake. To prevent drift upon air loss or valve centering, integrate an external rod lock or a pilot-operated check valve. Mounting hardware matches the AirTAC SC series, allowing you to use LB foot brackets, FA/FB flanges, or 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 SAU80X75S FAQ
This 80 mm bore model features a 3/8" port and generates 2513 N push / 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and a theoretical maximum of 513 kgf at 1.0 MPa.
Yes, the -S suffix indicates a built-in magnet for CMSG, DMSG, or EMSG switches. It also shares mounting accessory compatibility with the AirTAC SC series, utilizing a shorter profile than standard ISO 15552 cylinders.
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