Airtac SAU Standard Air Cylinder SAU80X275
The AirTAC Airtac SAU Standard Air Cylinder SAU80X275 is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 275mm 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
- Stroke275 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X275
The AirTAC SAU80X275 is a double-acting profile-type cylinder featuring a 80 mm bore and 275 mm stroke. Its extruded aluminum barrel with an integrated sensor groove makes it shorter and more compact than an ISO 15552 cylinder of the same bore, saving valuable machine space while delivering 2513 N of push force at 0.5 MPa. It uses a 3/8" port and a 25 mm rod with an M20x1.5 thread.
For real-world sizing, plan for a safe working load of roughly 1508 N at 0.5 MPa to account for seal friction, which means it can lift about 128 kg vertically with a 2:1 safety margin. This SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG magnetic switches. If your environment exceeds the standard -20 to +70 C range, a Viton H seal option extends operation up to 150 C.
Airtac SAU Standard Air Cylinder SAU80X275 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X275 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 275 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 SAU80X275
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×275 | 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 SAU80X275 Is Used
Pallet Diverters
Pushes heavy pallets sideways on a packaging line using its 2513 N thrust at 0.5 MPa, fitting neatly into tight conveyor frames.
Warehouse Lift Gates
Raises and lowers material handling gates, safely managing loads near its 128 kg vertical lift capacity with a 2:1 safety margin.
Injection Molding Extraction
Extends 275 mm to pull molded parts from a press, benefiting from the adjustable 28 mm air cushions to brake the rapid extraction stroke.
Is the Airtac SAU Standard Air Cylinder SAU80X275 the Right Cylinder?
When sizing this unit, compare it against its neighbors: the 63 mm bore offers 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N. This 80 mm model strikes a strong balance for medium-heavy tasks. Because this specific SKU lacks the -S suffix, it has no magnet and cannot support position sensing. Mounting hardware like LB foot brackets, FA/FB flanges, or CA/CB clevises matches the AirTAC SC series. Note that air loss will cause the piston to drift; the cushions only decelerate travel near the stroke ends, so add an external rod lock or pilot check valve if you need to hold a suspended load.
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 SAU80X275 FAQ
The SAU80X275 has a 3/8" port and generates 2513 N push and 2268 N pull at 0.5 MPa. At 0.7 MPa it pushes 3518 N, and the theoretical maximum force is 513 kgf at 1.0 MPa.
No, it is not an ISO 15552 cylinder. It is a compact profile cylinder that shares mounting accessories with the AirTAC SC series, such as LB, FA, FB, CA, and CB brackets. Also, this non-S SKU lacks a magnet for sensors.
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