Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100 is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 900mm 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
- Stroke900 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100
The AirTAC SAUJ100X900-100 is a double-acting single-rod profile cylinder with an on-site stroke adjustment window. An external stop screw lets you shorten the extend stroke by up to 100 mm, yielding a usable working range of 800-900 mm. The nominal 900 mm stroke represents the maximum extension before trimming. 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 makes this unit shorter than an ISO 15552 cylinder of the same bore.
This 100 mm bore generates a push force of 3927 N and a pull force of 3681 N at 0.5 MPa, reaching 7068 N at 0.9 MPa. A practical computed insight: your safe working load is roughly 2356 N, which equates to a vertical lift capacity of about 200 kg with a 2:1 safety margin. Standard operating temperature is -20 to +70 C, but selecting the Viton H seal option raises this to 150 C. Note this SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG sensors.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100 Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 900 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 SAUJ100X900-100
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×900 | 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 SAUJ100X900-100 Is Used
Large Press Fixtures
Ideal for heavy press setups where the final 100 mm extend position must be dialed in on-site to accommodate varying material thicknesses.
Heavy Product Diverters
Provides robust diverting force on high-mass conveyor lines, allowing technicians to shorten the stroke precisely to match changing lane widths.
Pallet Stop Mechanisms
Used in pallet handling to halt large loads, with the external stop screw offering quick calibration for different pallet dimensions.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X900-100 the Right Cylinder?
When sizing this actuator, look at the neighboring bores: an 80 mm bore provides 2513 N push at 0.5 MPa, while the 100 mm bore offers 3927 N at the same pressure. Choose the SAUJ over a fixed-stroke SAU when your assembly requires field tuning of the extend position without buying a new cylinder. The 100 mm adjust window is ideal for prototypes or machines needing final positional calibration. Mounting options include Basic, FA flange, and LB foot styles, compatible with the AirTAC SC series. Because this is a non-magnetized SKU, you cannot mount position sensors. For the long 900 mm stroke, always use external guides 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 SAUJ100X900-100 FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. Push force rises to 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 stroke is 900 mm, and the external stop screw allows you to shorten the extend stroke by up to 100 mm on-site, giving a usable range of 800-900 mm.
The external stop screw mechanically limits the piston's extension, setting the end position without disassembling the cylinder. This stop is not a load lock. A plain cylinder does not hold its load on air loss or when the valve is centered; the piston will drift, and the 29 mm air cushion only decelerates near the stroke end. For secure load holding, install an external rod lock or a pilot-operated check valve.
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