Airtac SAU Standard Air Cylinder SAU80X35S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X35S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 35mm 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
- Stroke35 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X35S
The AirTAC SAU80X35S is a double-acting profile-type cylinder engineered with a 35 mm stroke and a 3/8 inch port. 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 and a pull force of 2268 N at 0.5 MPa.
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 translates to lifting about 128 kg vertically with a 2:1 safety margin. The included -S piston magnet allows integration with CMSG, DMSG, or EMSG switches, and the standard TPU seals handle temperatures from -20 to +70 C.
Airtac SAU Standard Air Cylinder SAU80X35S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X35S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 35 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 SAU80X35S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×35 | 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 SAU80X35S Is Used
Injection Mold Clamping
Provides high 2513 N clamping force to secure injection mold halves within a compact press envelope, utilizing the short 35 mm stroke for rapid cycles.
Heavy Package Diverting
Pushes heavy palletized goods off a main conveyor belt using the integrated magnet for position confirmation via DMSG sensors at the stroke ends.
Pallet Stopper Gate
Acts as a robust stopper gate on roller conveyors, raising a 25 mm rod to halt 128 kg pallets before they enter a loading zone.
Is the Airtac SAU Standard Air Cylinder SAU80X35S the Right Cylinder?
When sizing this 80 mm bore, compare it to the adjacent 63 mm bore (1559 N push at 0.5 MPa) for lighter loads, or the 100 mm bore (3927 N push at 0.5 MPa) if you need substantially more thrust. The 25 mm piston rod and M20x1.5 thread provide a sturdy interface for your mechanical linkage. You can mount this unit using AirTAC SC-series accessories like LB foot brackets, FA/FB flanges, or CA/CB clevises.
Remember that a standard cylinder will drift if air pressure is lost or the valve is centered, as the adjustable 28 mm air cushions only decelerate the piston near stroke end rather than locking it. To suspend a load safely during an emergency stop, incorporate 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 SAU80X35S FAQ
The SAU80X35S features a 3/8 inch port and generates 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 the theoretical maximum force is 513 kgf at 1.0 MPa.
No, this is a profile-type cylinder that is more compact than an ISO 15552 unit, so it is not dimensionally interchangeable with ISO standards. Mounting accessories must match the AirTAC SC series. However, the -S suffix means it has a built-in magnet for CMSG, DMSG, and EMSG sensors.
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