Airtac SAU Standard Air Cylinder SAU80X155S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X155S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 155mm 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
- Stroke155 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X155S
The AirTAC SAU80X155S is a double-acting profile-type cylinder with an 80 mm bore and 155 mm stroke. Its extruded aluminum barrel is shorter than a same-bore ISO 15552 unit, saving valuable machine space. It delivers a push force of 2513 N and a pull force of 2268 N at 0.5 MPa. The 3/8" port and M20x1.5 rod thread handle high airflow for rapid cycling across the 30-800 mm/s speed range.
Because this SKU includes the -S magnet, it accepts CMSG, DMSG, or EMSG sensors directly in the profile groove for precise end-position detection. For real-world sizing, plan for a safe working load of about 1508 N (60% of the 0.5 MPa push figure) to overcome seal friction. Vertically, it lifts about 128 kg with a 2:1 safety margin. The standard TPU seals work from -20 to +70 C, while a Viton H option extends heat resistance up to 150 C.
Airtac SAU Standard Air Cylinder SAU80X155S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X155S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 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 SAU80X155S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | 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 SAU80X155S Is Used
Stamping Press Feed
Pushes heavy gauge metal blanks into a forming die, utilizing the 2513 N thrust at 0.5 MPa to overcome material resistance.
Pallet Stopper Gate
Acts as a robust 155 mm stroke barrier on a conveyor line to halt loaded pallets, safely absorbing kinetic energy via adjustable cushions.
Injection Mold Clamp
Secures heavy tooling halves together during low-pressure mold closing sequences, relying on the 80 mm bore strength.
Is the Airtac SAU Standard Air Cylinder SAU80X155S the Right Cylinder?
When sizing this 80 mm bore, compare it against adjacent options. Stepping down to a 63 mm bore yields 1559 N push at 0.5 MPa, whereas stepping up to a 100 mm bore provides 3927 N. This SAU80X155S fits neatly for medium-heavy tasks requiring 2513 N. It shares mounting dimensions with AirTAC SC-series accessories, so you can use LB foot brackets, FA/FB flanges, or CA/CB clevises. An I, Y, F, or U knuckle handles rod-end pivoting.
Remember that a standard double-acting cylinder drifts when air supply is lost or a valve centers; the adjustable 28 mm air cushions only decelerate the piston near stroke ends and do not act as a brake. If your application requires strict load holding on air loss, install 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 SAU80X155S FAQ
This 80 mm bore cylinder features a 3/8" port and generates 2513 N push / 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, the -S suffix indicates a built-in piston magnet. You can install CMSG, DMSG, or EMSG electronic or reed switches directly into the extruded profile barrel groove without needing extra brackets.
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