Airtac SAU Standard Air Cylinder SAU80X1200S
The AirTAC Airtac SAU Standard Air Cylinder SAU80X1200S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 1200mm 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
- Stroke1200 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAU Standard Air Cylinder SAU80X1200S
The AirTAC SAU80X1200S is a double-acting profile-type cylinder featuring an extruded aluminum barrel. It is engineered to be shorter and more compact than an ISO 15552 cylinder of the same 80 mm bore, providing a distinct space advantage in tight machinery layouts. It delivers a robust push force of 2513 N and a pull force of 2268 N at 0.5 MPa, operating with a 3/8" port and an M20x1.5 rod thread.
Because this 1200 mm stroke SKU includes the -S magnet, it readily accepts CMSG, DMSG, or EMSG switches in the profile groove for position sensing. For practical sizing, plan for a safe working load of about 1508 N at 0.5 MPa to account for seal friction, which translates to lifting roughly 128 kg vertically with a 2:1 safety margin. If your environment exceeds the standard -20 to +70 C range, the Viton H seal option extends operation up to 150 C.
Airtac SAU Standard Air Cylinder SAU80X1200S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU80X1200S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 1200 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 SAU80X1200S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×1200 | 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 SAU80X1200S Is Used
Long-Reach Part Transfer
Moves heavy castings along a 1200 mm axis, utilizing the 2513 N push force to shift parts between CNC machining centers without occupying ISO 15552 frame depths.
Pallet Push-Off Station
Diverts loaded pallets on a packaging line, where the compact profile saves floor space and the -S magnet triggers DMSG sensors to confirm full extension.
Vertical Lift Gate Actuation
Raises mezzanine safety gates using the 128 kg vertical lift capacity, requiring external guides to stabilize the long 1200 mm rod during travel.
Is the Airtac SAU Standard Air Cylinder SAU80X1200S the Right Cylinder?
When sizing this model, compare it against adjacent bores: the 63 mm variant offers 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N, making the 80 mm at 2513 N a strong middle-ground choice. Mounting is highly flexible since it shares AirTAC SC-series accessories like LB foot brackets, FA/FB flanges, and CA/CB clevises. Because this is a 1200 mm stroke, you must use external guides to prevent rod bending and manage side loads over the extended travel distance.
Keep in mind that the adjustable air cushions at both ends only decelerate the piston near the stroke limits; they do not function as a brake. If your application must hold a vertical load when air pressure drops or the valve is centered, you will need an external rod lock or a pilot-operated check valve to prevent drift.
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 SAU80X1200S FAQ
This 80 mm bore cylinder uses a 3/8" port and an M20x1.5 rod thread. It generates 2513 N push and 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.
It is not an ISO 15552 cylinder, but it is shorter than one and uses AirTAC SC-series mounting accessories like FA flanges and CB clevises. The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG sensors in the barrel groove.
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