Airtac SAU Standard Air Cylinder SAU100X70
The AirTAC Airtac SAU Standard Air Cylinder SAU100X70 is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 70mm stroke, 1/2" 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.
- BoreØ100 mm
- Stroke70 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X70
The AirTAC SAU100X70 is a double-acting profile-type cylinder featuring a 100 mm bore and 70 mm stroke. It supplies a substantial 3927 N push and 3681 pull force at 0.5 MPa, driven by a 1/2 inch port and a 25 mm carbon steel rod. Its extruded aluminum barrel with an integrated sensor groove makes it shorter and more compact than an ISO 15552 cylinder of the same bore, providing a distinct space advantage in dense machinery layouts.
For practical sizing, plan for a safe working load of roughly 2356 N at 0.5 MPa to account for seal friction and smooth travel. Vertically, this translates to lifting about 200 kg with a 2:1 safety margin. Since this specific SKU lacks the -S magnet, it cannot host CMSG, DMSG, or EMSG reed switches. You can pair it with AirTAC SC-series mounting hardware like LB foot brackets or CA clevises, and if ambient heat exceeds 70 C, specify the Viton H seal option for 0-150 C operation.
Airtac SAU Standard Air Cylinder SAU100X70 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X70 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| 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, 29 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SAU100X70
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×70 | 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 SAU100X70 Is Used
Heavy Stamp Press Feeding
Pushes thick metal blanks into a stamping press, utilizing the 3927 N push force to move heavy stock reliably within a compact machinery footprint.
Pallet Dispenser Indexing
Separates and pushes empty wooden pallets along a conveyor line, where the 200 kg vertical lift equivalent ensures reliable handling of heavy loads.
Injection Mold Ejection
Drives the ejection plate on a large plastic molding machine, using the 70 mm stroke to clear bulky parts quickly at cycle speeds up to 800 mm/s.
Is the Airtac SAU Standard Air Cylinder SAU100X70 the Right Cylinder?
When sizing this unit, consider the neighboring bores: stepping down to an 80 mm bore yields 2513 N push at 0.5 MPa, while this 100 mm bore provides 3927 N. If you need more power, there is no larger standard SAU option, so you would look outside the series. Keep in mind that a standard double-acting cylinder drifts when air is lost or the valve is centered; the adjustable 29 mm air cushions only decelerate the piston near the stroke ends and do not function as a braking lock. For suspended loads, add an external rod lock or a pilot-operated check valve. Mount this cylinder using SC-series FA flanges or an I-type knuckle.
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 SAU100X70 FAQ
This 100 mm bore cylinder features a 1/2 inch port and generates a push force of 3927 N and a pull force of 3681 N at 0.5 MPa. At 0.7 MPa, the push force is 5497 N. The theoretical maximum force is 801 kgf at 1.0 MPa.
No, this specific SKU does not include the -S magnet option, meaning it cannot support CMSG, DMSG, or EMSG magnetic switches. For mounting, it shares identical dimensions and accessories with the AirTAC SC series, offering a more compact profile than standard ISO cylinders.
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