Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-50S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-50S 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 SAUJ100X850-50S
The AirTAC SAUJ100X850-50S is a double-acting, single-rod profile cylinder with an adjustable extend stroke. An external stop screw lets you trim the working stroke on-site by up to 50 mm, giving a usable range of 800-850 mm. The 850 mm nominal stroke is the maximum. It features a 1/2 inch port, an M20x1.5 rod thread, and 29 mm adjustable air cushions at each end. The extruded aluminum profile barrel is shorter than an ISO 15552 cylinder of the same bore.
This 100 mm bore delivers substantial power: 3927 N push and 3681 N pull at 0.5 MPa, scaling to 7068 N push at 0.9 MPa. A practical computed insight is a safe working load around 2356 N, or a vertical lift capacity of roughly 200 kg with a 2:1 margin. The -S suffix means a piston magnet is included for CMSG, DMSG, or EMSG position sensing. Choose this adjustable unit over a fixed SAU when you need final end-position tuning without buying a new cylinder.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-50S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-50S |
|---|---|
| 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 SAUJ100X850-50S
| 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 SAUJ100X850-50S Is Used
Divert Gate Tuning
Adjusts the extend stroke by up to 50 mm to perfectly set a diverter gate position without machining new hard stops.
Pallet Stop Positioning
Trims the 850 mm extend stroke on-site to match varying pallet depths, ensuring precise stopping on a heavy-duty conveyor.
Press Die Clearance
Dials in the exact end position for a large press operation, accommodating different die heights using the external stop screw.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X850-50S the Right Cylinder?
When sizing, step down to an 80 mm bore for 2513 N push at 0.5 MPa, or step up if you exceed the 801 kgf maximum at 1.0 MPa. The 50 mm adjust window is ideal for finalizing machine setup. Mounting options include Basic, FA flange, and LB foot, with compatibility matching the AirTAC SC series. The -S magnet supports reed and electronic switches. Because the 850 mm stroke is long, always use external guides to prevent rod bending and manage side loads. Note that the stop screw sets end position only; it is not a load lock. For load holding without live air, install an external rod lock or pilot-operated check valve, as the cushion solely decelerates.
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 SAUJ100X850-50S FAQ
This 100 mm bore cylinder provides 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, with an 801 kgf maximum at 1.0 MPa. The 850 mm nominal extend stroke can be shortened by up to 50 mm on-site using the external stop screw, yielding an 800-850 mm usable range.
The -S suffix indicates a built-in piston magnet for mounting CMSG, DMSG, or EMSG position sensors. The cylinder does not hold a load on air loss; the piston drifts and the air cushion only decelerates near the end. For secure load holding, use an external rod lock or pilot-operated check valve.
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