Airtac SAU Standard Air Cylinder SAU80X35
The AirTAC Airtac SAU Standard Air Cylinder SAU80X35 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 SAU80X35
The AirTAC SAU80X35 is a double-acting profile-type cylinder with a 35 mm stroke. Built with an extruded aluminum barrel, it is physically shorter than an ISO 15552 cylinder of the same 80 mm bore, saving valuable machine space. It delivers a push force of 2513 N and a pull force of 2268 N at 0.5 MPa, utilizing a 3/8 inch port and an M20x1.5 rod thread.
For practical sizing, plan for a safe working load of about 1508 N at 0.5 MPa to account for seal friction, rather than the maximum theoretical rating. This translates to safely lifting about 128 kg vertically with a 2:1 margin. Since this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG, or EMSG sensor switches. If your environment exceeds 70 C, you can specify the Viton H high-temperature seal option for up to 150 C operation.
Airtac SAU Standard Air Cylinder SAU80X35 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X35 |
|---|---|
| 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 SAU80X35
| 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 SAU80X35 Is Used
Injection Mold Clamping
Provides 2513 N of push force at 0.5 MPa to secure smaller injection mold halves, leveraging the compact profile to fit within tight press tooling.
Heavy Package Diverter
Pushes heavy pallets or crates along a sorting line using a short 35 mm stroke, where the 128 kg vertical lift equivalent ensures robust actuation.
Press Ejection System
Ejects dense formed parts from a mechanical press, utilizing the 3/8 inch port for rapid air exhaust and fast 30-800 mm/s cycling.
Is the Airtac SAU Standard Air Cylinder SAU80X35 the Right Cylinder?
When sizing this 80 mm bore, compare it to its neighbors: a 63 mm bore yields 1559 N push at 0.5 MPa, while a 100 mm bore provides 3927 N. Choose the SAU80X35 when you need roughly 2513 N of push force within a very tight footprint. You can mount it using AirTAC SC-series accessories like LB foot brackets, FA/FB flanges, or CA/CB clevises.
Remember that a standard cylinder drifts when air is lost or a valve centers; the adjustable 28 mm air cushions only decelerate the piston near the end of travel and do not act as a brake. To hold a load securely, install 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 SAU80X35 FAQ
The SAU80X35 has an 80 mm bore and uses a 3/8 inch port. It generates 2513 N push and 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.
It is not an ISO 15552 cylinder; mounting accessories must match the AirTAC SC series, such as LB, FA, FB, CA, or CB brackets. Additionally, this SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG magnetic switches.
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