Airtac SAU Standard Air Cylinder SAU80X500SN
The AirTAC Airtac SAU Standard Air Cylinder SAU80X500SN is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 500mm 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
- Stroke500 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X500SN
The AirTAC SAU80X500SN is a double-acting profile-type cylinder with a 500 mm stroke and an extruded aluminum barrel. It is engineered to be more compact than an ISO 15552 cylinder of the same 80 mm bore, saving valuable machine space while sharing mounting accessories with the AirTAC SC series. 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, accounting for seal friction and smooth travel. This equates to safely lifting about 128 kg vertically with a 2:1 margin. The -S suffix provides a built-in piston magnet for CMSG, DMSG, or EMSG sensor switches, while the -N seal option uses NBR material. If your application involves high heat, you can opt for Viton H seals to raise the operating range from -20 to +70 C up to 0-150 C.
Airtac SAU Standard Air Cylinder SAU80X500SN Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X500SN |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 500 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 SAU80X500SN
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×500 | 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 SAU80X500SN Is Used
Pallet Diversion
Pushes heavy pallets sideways onto secondary packaging lines using the full 500 mm travel and 1508 N safe working load.
Vertical Lift Gate
Raises and lowers mezzanine safety gates, lifting approximately 128 kg vertically with a secure 2:1 safety margin.
Injection Mold Ejection
Drives a long-stroke ejection carriage on an injection molding cell, relying on the compact profile to fit tight cell boundaries.
Is the Airtac SAU Standard Air Cylinder SAU80X500SN 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. This model includes the -S magnet for sensors and the -N NBR seal. For the 500 mm stroke, external guides are strongly recommended to prevent rod bending and manage side loads. Note that an air cushion only decelerates the piston near stroke end; it does not act as a brake. If you need to hold a load vertically during air loss, add 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 SAU80X500SN FAQ
This 80 mm bore cylinder features a 3/8 inch port and an M20x1.5 rod thread. 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 of 513 kgf at 1.0 MPa.
Yes, it accepts AirTAC SC-series mounting accessories like LB foot, FA/FB flange, and CA/CB clevis. The -S suffix means it has a built-in magnet for CMSG, DMSG, and EMSG switches, but it is not dimensionally interchangeable with ISO 15552 standards.
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