Airtac SAU Standard Air Cylinder SAU80X750
The AirTAC Airtac SAU Standard Air Cylinder SAU80X750 is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 750mm 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
- Stroke750 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X750
The AirTAC SAU80X750 is a double-acting profile-type cylinder featuring an extruded aluminum barrel with integrated sensor grooves. It provides a robust push force of 2513 N and a pull force of 2268 N at 0.5 MPa, operating via a 3/8" port and a 25 mm rod with an M20x1.5 thread. Designed to be physically shorter than an ISO 15552 cylinder of the same bore, it delivers a distinct space advantage within confined machinery envelopes.
For practical sizing, plan for a safe working load of roughly 1508 N at 0.5 MPa to account for seal friction, which translates to lifting about 128 kg vertically with a 2:1 safety margin. The standard TPU seals handle temperatures from -20 to +70 C, while a Viton H option extends this to 150 C. Note that this specific SKU lacks a magnet, so it cannot support CMSG, DMSG, or EMSG magnetic switches.
Airtac SAU Standard Air Cylinder SAU80X750 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X750 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 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 SAU80X750
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SAU80X750 Is Used
Pallet Transfer Diversion
Pushes heavy loaded pallets laterally across a high-speed packaging line, utilizing the 2513 N push force to overcome sliding friction without stalling.
Vertical Lift Gate Actuation
Raises and lowers a 120 kg loading dock gate over the 750 mm travel, relying on the smooth end-of-stroke deceleration to prevent mechanical slamming.
Industrial Press Ejection
Ejects formed metal parts from a hydraulic press bed, where the compact profile length allows the cylinder to fit within the restricted press foundation.
Is the Airtac SAU Standard Air Cylinder SAU80X750 the Right Cylinder?
When sizing this 80 mm bore, stepping down to a 63 mm unit drops the 0.5 MPa push force to 1559 N, whereas stepping up to a 100 mm bore increases it to 3927 N. Because this is a plain double-acting cylinder, it will not hold a load if air pressure is lost or the valve is centered; the piston will drift. You must incorporate an external rod lock or a pilot-operated check valve for secure vertical load holding. The adjustable air cushion at both ends only decelerates the piston near stroke end and should never be mistaken for a braking mechanism.
With a 750 mm stroke, the 25 mm rod is susceptible to bending under lateral stress; always use an external guide rail to prevent side-loading and premature seal wear. Mounting hardware is fully compatible with AirTAC SC-series accessories, including LB foot mounts, FA/FB flanges, and CA/CB clevises, along with I, Y, F, or U knuckles.
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 SAU80X750 FAQ
This 80 mm bore cylinder features a 3/8" port and delivers 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 at 0.9 MPa it is 4523 N. The theoretical maximum force is 513 kgf at 1.0 MPa.
Because this SAU80X750 SKU does not include the -S magnet option, it cannot support CMSG, DMSG, or EMSG magnetic switches. For physical mounting, it shares the same accessory footprint as the AirTAC SC series, allowing you to use LB foot brackets, FA/FB flanges, and CA/CB clevises.
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