Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30
The AirTAC Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 115mm 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
- Stroke115 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30
The AirTAC SAUJ80X115-30 is a double-acting, single-rod profile cylinder with an on-site adjustable extend stroke. An external stop screw lets you trim the working stroke by up to 30 mm, yielding a usable range of 85-115 mm from the 115 mm maximum. It features a 3/8" port, an M20x1.5 rod thread, and 28 mm adjustable air cushions at each end.
This bore delivers 2513 N push and 2268 N pull at 0.5 MPa, peaking at 4523 N push at 0.9 MPa. The extruded aluminum profile is shorter than an ISO 15552 cylinder of the same bore. For sizing, the safe working load is roughly 1508 N, and it can vertically lift about 128 kg with a 2:1 margin. This non-magnetized SKU cannot accept sensors.
Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 Technical Specifications
| Model | Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 115 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 SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30
| SAU | Profile-type standard cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×115 | 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 SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 Is Used
Press Fit Tuning
Allows operators to dial in the exact 85-115 mm extend position for inserting bearings without swapping physical spacers.
Divertor Stroke Adjust
Fine-tunes the extend stop on a sorting arm to handle varying package widths on the fly.
Sealing Head Setup
Adjusts the crush distance on a carton sealing jaw within the 30 mm window to accommodate different flap thicknesses.
Is the Airtac SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 the Right Cylinder?
Size this 80 mm bore against the 63 mm option (2182 N push at 0.7 MPa) or the 100 mm version (5497 N push at 0.7 MPa) based on your force needs. Choose the SAUJ over a fixed SAU when you need field tuning without buying a new cylinder. The 30 mm adjust window is ideal for final machine timing. Mounting options include Basic, FA flange, and LB foot, compatible with the AirTAC SC series. Since this SKU lacks the -S magnet, it cannot take CMSG or DMSG sensors. For the 115 mm stroke, ensure external guides handle any side-load to prevent rod binding.
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 SAUJ80 Adjustable Stroke Cylinder SAUJ80X115-30 FAQ
It delivers 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and 4523 N push at 0.9 MPa, with a 513 kgf max at 1.0 MPa. The 115 mm nominal extend stroke can be shortened by up to 30 mm via the external stop screw, giving an 85-115 mm working range. It uses a 3/8" port.
No to both. The stop screw only sets the end position; it is not a load lock, and the air cushion only decelerates. The piston will drift on air loss, so use an external rod lock or pilot-operated check valve for holding. Additionally, this SKU lacks the -S magnet, so it cannot accept CMSG/DMSG sensors.
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