Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 800mm 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
- Stroke800 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S
The AirTAC SAUJ100X800-50S is a double-acting single-rod profile cylinder with an 800 mm maximum extend stroke. An external stop screw lets you trim the extend stroke on-site by up to 50 mm, yielding a usable 750 to 800 mm window without buying a new actuator. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same 100 mm bore. It features a 1/2 inch port, M20x1.5 rod thread, and 29 mm adjustable air cushions.
This 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 200 kg vertical lift with a 2:1 margin. The -S suffix means a built-in piston magnet supports CMSG, DMSG, or EMSG switches. For high-heat environments, Viton H seals raise the operating range to 150 C.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 800 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 SAUJ100X800-50S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×800 | 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 SAUJ100X800-50S Is Used
Large Press Tonnage
Provides 7068 N of extend force at 0.9 MPa for heavy pressing operations, with the 50 mm stop screw allowing precise final position calibration of the tooling.
Pallet Positioning
Moves heavy loads along an 800 mm run, where the adjustable end-stop lets operators fine-tune the stopping distance to match varying pallet dimensions.
Long-Stroke Diversion
Actuates a large diverter arm across a wide belt; the on-site stroke trim compensates for mechanical drift or belt width changes without cylinder removal.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X800-50S the Right Cylinder?
When sizing this actuator, look both ways: if 5497 N push at 0.7 MPa is insufficient, confirm a larger custom solution; if excessive, step down to an 80 mm bore yielding 3518 N at 0.7 MPa. Choose the SAUJ adjustable-stroke variant over a fixed SAU when your machine assembly requires precise end-position tuning after installation. Mounting options include Basic, FA flange, and LB foot, sharing compatibility with the AirTAC SC series. Because the -S magnet is present, you can directly mount reed or electronic sensors. For the 800 mm stroke, external guides are strongly recommended to prevent rod bending and manage side loads.
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 SAUJ100X800-50S 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 external stop screw allows you to shorten the 800 mm extend stroke by up to 50 mm on-site, giving a usable window of 750 to 800 mm. The bore uses a 1/2 inch port.
The -S suffix indicates a built-in piston magnet for mounting CMSG, DMSG, or EMSG position switches. A plain cylinder does not hold load on air loss; the piston drifts and the 29 mm cushion only decelerates near stroke end. The stop screw sets the end position but is not a brake. For a held load, install an external rod lock or pilot-operated check valve.
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