Airtac SAU Standard Air Cylinder SAU100X155S
The AirTAC Airtac SAU Standard Air Cylinder SAU100X155S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 155mm 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
- Stroke155 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X155S
The AirTAC SAU100X155S is a double-acting profile-type cylinder engineered to deliver massive thrust in a footprint notably shorter than a same-bore ISO 15552 unit. It generates 3927 N of push force at 0.5 MPa, making it ideal for heavy-duty machinery. Because this SKU includes the -S magnet, you can mount CMSG, DMSG, or EMSG switches directly into the extruded barrel groove for precise end-of-stroke sensing.
For real-world sizing, plan for a safe working load of roughly 2356 N—about 60 percent of the 0.5 MPa rating—to account for seal friction and smooth travel. In vertical lifting tasks, this translates to hoisting approximately 200 kg safely when applying a 2:1 margin. The 1/2" port and M20x1.5 rod thread handle high airflow, while the Viton H seal option extends operating temperatures up to 150 C for demanding environments.
Airtac SAU Standard Air Cylinder SAU100X155S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X155S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 155 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 SAU100X155S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×155 | 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 SAU100X155S Is Used
Heavy-Duty Stamping Press
Drives a 150 kg upper die down onto metal blanks, utilizing the 3927 N push force at 0.5 MPa to form thick-gauge steel components reliably.
Pallet Dispenser Mechanism
Lifts empty wooden pallets weighing up to 200 kg from a vertical magazine stack, benefiting from the compact profile length to fit tight conveyor zones.
Injection Mold Ejection
Pushes finished molded plastic parts out of a large industrial press, using the integrated -S magnet and DMSG sensors to confirm ejection completion.
Is the Airtac SAU Standard Air Cylinder SAU100X155S the Right Cylinder?
When sizing this 100 mm bore, evaluate your force margins carefully. Stepping down to an 80 mm bore yields 2513 N at 0.5 MPa, which is often insufficient for heavy presses, whereas this 100 mm unit provides 3927 N. If you need extreme force beyond the 801 kgf maximum theoretical limit at 1.0 MPa, you will require a larger custom multi-piston solution. Utilize AirTAC SC-series mounting accessories, such as LB foot or FA flange brackets, to secure the body.
Remember that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered; the adjustable 29 mm air cushions only decelerate the piston near the end caps and do not function as a braking lock. To suspend a load safely during an emergency stop, integrate an external pilot-operated check valve or a dedicated rod lock mechanism.
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 SAU100X155S FAQ
This 100 mm bore model features a 1/2" air port and an M20x1.5 rod thread. It delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, 7068 N push at 0.9 MPa, and a theoretical maximum of 801 kgf at 1.0 MPa.
No, it is not dimensionally interchangeable with ISO 15552 standards, though its extruded profile is deliberately shorter for space savings. You must use AirTAC SC-series accessories for mounting. Because this is the -S variant, it contains a piston magnet ready for CMSG, DMSG, or EMSG sensors.
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