Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 85mm 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
- Stroke85 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S
The AirTAC SAUJ100X85-10S is a double-acting single-rod profile cylinder with an on-site stroke adjustment. An external stop screw lets you shorten the extend stroke by up to 10 mm, giving a usable working stroke of 75-85 mm. The 85 mm nominal length serves as the maximum travel. It features a 1/2 inch port, an M20x1.5 rod thread, and 29 mm adjustable air cushions.
This 100 mm bore generates 3927 N push and 3681 N pull at 0.5 MPa. The computed safe working load is roughly 2356 N, which translates to a 200 kg vertical lift with a 2:1 safety margin. The extruded aluminum profile is shorter than an ISO 15552 cylinder of the same bore. The -S suffix indicates a built-in piston magnet for CMSG, DMSG, or EMSG sensors.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 85 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 SAUJ100 Adjustable Cylinder SAUJ100X85-10S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×85 | 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 SAUJ100 Adjustable Cylinder SAUJ100X85-10S Is Used
Press Fit Tuning
Allows operators to dial in the exact 75-85 mm extend position for seating bearings, compensating for material thickness variations on-site.
Carton Flap Folding
Provides adjustable end-stop positioning for folding mechanisms, ensuring precise flap alignment without reprogramming machine logic.
Product Diverting
Enables field adjustment of the diverting stroke length to handle different package widths on the fly via the external stop screw.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-10S the Right Cylinder?
When sizing this unit, compare it against the 80 mm bore, which yields 2513 N push at 0.5 MPa. If your application requires less force, the smaller bore saves space. If you need more, note that 100 mm is the largest available SAUJ size. Choose the SAUJ over a fixed SAU when you need to fine-tune the extend end position on-site without buying a new cylinder. The 10 mm adjust window is ideal for minor mechanical timing corrections. Mounting options include Basic, FA flange, and LB foot, sharing compatibility with the AirTAC SC series. Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG switches. For any stroke over 300 mm, ensure external guiding to prevent excessive side loading on the rod.
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 SAUJ100 Adjustable Cylinder SAUJ100X85-10S FAQ
This 100 mm bore cylinder delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and 7068 N push at 0.9 MPa. The theoretical max force is 801 kgf at 1.0 MPa. The external stop screw allows you to shorten the extend stroke by up to 10 mm on-site, making the usable extend range 75-85 mm.
The external stop screw mechanically sets the extend end position. It is not a load lock. A plain cylinder drifts on air loss, and the 29 mm air cushion only decelerates the piston near the end of travel. To hold a load securely, you must add an external rod lock or a pilot-operated check valve.
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