Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 850mm 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
- Stroke850 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S
The AirTAC SAUJ100X850-10S 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 10 mm, yielding a usable range of 840-850 mm. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same bore. It features a 1/2" port, an M20x1.5 rod thread, and 29 mm adjustable air cushions.
This 100 mm bore delivers substantial power: 3927 N push and 3681 N pull at 0.5 MPa, peaking at 7068 N push at 0.9 MPa. For sizing, a safe working load is roughly 2356 N (60% of the 0.5 MPa push), and it can vertically lift about 200 kg with a 2:1 safety margin. The -S suffix means a built-in magnet supports CMSG, DMSG, or EMSG sensors. For high-heat environments up to 150 C, Viton H seals are available.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 850 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 SAUJ100X850-10S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×850 | 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 SAUJ100X850-10S Is Used
Large Press Tending
Handles heavy stamping blanks. The 10 mm stroke trim fine-tunes the part ejection distance to avoid crashing into the press bed.
Pallet Positioning Stops
Acts as a robust physical stop for heavy inbound pallets. The external screw lets operators adjust the stopping point for varied pallet widths.
Heavy Door Actuation
Opens and closes large industrial machine doors. The adjustable end position ensures a perfect seal against the frame every time.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-10S the Right Cylinder?
When sizing, look at neighboring bores: an 80 mm bore provides 2513 N push at 0.5 MPa, while this 100 mm bore provides 3927 N. Choose the SAUJ over a fixed SAU when your machine assembly requires minor end-position tweaking without buying a new cylinder. The 10 mm adjust window is ideal for fine-tuning. Mounting options include Basic, FA flange, and LB foot styles, compatible with the AirTAC SC series. Because the stroke is 850 mm, you must use external guides to prevent rod bending and manage side loads. The -S magnet enables electronic or reed position sensing.
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 SAUJ100X850-10S FAQ
At 0.5 MPa it provides 3927 N push and 3681 N pull. Push force is 5497 N at 0.7 MPa and 7068 N at 0.9 MPa, with a theoretical max of 801 kgf at 1.0 MPa. The nominal 850 mm extend stroke can be shortened by up to 10 mm on-site using the external stop screw, giving a usable range of 840-850 mm.
No, a plain cylinder drifts without live air; the stop screw sets end position and the air cushion only decelerates, neither acts as a load lock. Use an external rod lock or pilot-operated check valve for holding. The -S suffix indicates a built-in piston magnet for CMSG, DMSG, or EMSG position sensors.
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