Airtac SAU Standard Air Cylinder SAU100X290S
The AirTAC Airtac SAU Standard Air Cylinder SAU100X290S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 290mm 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
- Stroke290 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X290S
The AirTAC SAU100X290S is a double-acting profile-type cylinder engineered for heavy-duty tasks. It provides a robust 3927 N push and 3681 N pull at 0.5 MPa, scaling up to 7068 N at 0.9 MPa. Its extruded aluminum barrel design is notably shorter than an ISO 15552 cylinder of the same 100 mm bore, delivering a significant space advantage in cramped machinery. The unit features a 1/2" port and a 25 mm carbon steel rod with an M20x1.5 thread.
Because this SKU includes the -S magnet, it readily accepts CMSG, DMSG, or EMSG sensors directly in the profile groove for precise end-of-stroke detection. For practical sizing, plan for a safe working load of about 2356 N (60% of the 0.5 MPa rating) to account for seal friction, or expect it to lift roughly 200 kg vertically with a 2:1 safety margin. The standard TPU seals handle -20 to +70 C, while a Viton H option extends heat resistance up to 150 C.
Airtac SAU Standard Air Cylinder SAU100X290S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X290S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 290 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 SAU100X290S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×290 | 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 SAU100X290S Is Used
Injection Mold Clamping
Applies high clamping force to secure heavy injection mold halves, utilizing the 3927 N push capacity to lock the tooling firmly in place during the plastic injection cycle.
Pallet Stopper Gate
Acts as a heavy-duty stopper arm on high-throughput conveyor lines, raising a 25 mm rod to halt fully loaded pallets before they enter the automated stretch-wrap station.
Press Ejection System
Ejects dense stamped metal parts from a hydraulic press bed, using the 290 mm stroke to push components completely clear of the lower die before the upper tool descends.
Is the Airtac SAU Standard Air Cylinder SAU100X290S the Right Cylinder?
When sizing this 100 mm bore actuator, compare it against adjacent options: a 63 mm bore yields 1559 N push at 0.5 MPa, whereas an 80 mm bore provides 2513 N, making the SAU100X290S the correct choice when those lower thresholds are insufficient. Mounting relies on AirTAC SC-series accessories, such as LB foot blocks, FA/FB flanges, or CA/CB clevises. At a 290 mm stroke, ensure your mechanical setup guides the load properly to prevent rod bending and premature seal wear.
Remember that the adjustable air cushions at both ends only decelerate the piston near the stroke limits; they do not function as a braking mechanism. If your application must maintain vertical positioning during a compressed air loss or valve centering, you must incorporate an external rod lock or a pilot-operated check valve to prevent dangerous drifting.
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 SAU100X290S FAQ
This 100 mm bore cylinder features a 1/2" port and generates 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and 7068 N push at 0.9 MPa. The theoretical maximum force is 801 kgf at 1.0 MPa.
No, it is not dimensionally interchangeable with ISO 15552 brackets; you must use AirTAC SC-series accessories like FA flanges or CA clevises. However, because this model includes the -S magnet, you can mount CMSG, DMSG, or EMSG switches directly into the barrel profile groove.
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