Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 90mm 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
- Stroke90 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S
The AirTAC SAUJ100X90-40S is a double-acting single-rod profile cylinder with an on-site adjustable extend stroke. An external stop screw lets you shorten the 90 mm nominal travel by up to 40 mm, yielding a usable range of 50-90 mm. It features a hard-anodized extruded aluminum barrel, making it shorter than an ISO 15552 cylinder of the same bore. This 100 mm bore unit uses a 1/2 inch port and an M20x1.5 rod thread.
In the 100 mm class, this cylinder delivers a push force of 3927 N and a pull force of 3681 N at 0.5 MPa. A practical computed insight: the safe working load is roughly 2356 N, which translates to a vertical lift capacity of about 200 kg with a 2:1 safety margin. The -S suffix means a built-in piston magnet is present for CMSG, DMSG, or EMSG position sensing. The external stop sets the end position but does not lock the load; you need an external rod lock or pilot-operated check valve to hold a load securely against air loss.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 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 SAUJ100X90-40S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | 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 SAUJ100X90-40S Is Used
Press Fit Tuning
Allows operators to fine-tune the 50-90 mm extend position on-site for pressing bearings, accommodating material thickness variations without changing the cylinder.
Variable Depth Sealing
Ideal for packaging lines where the extend stroke needs precise 40 mm shortening to adjust sealing head heights for different carton formats.
Adjustable Diverters
Provides adjustable stopping points for product diverters, letting maintenance teams trim the extend end position to match new conveyor widths.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X90-40S the Right Cylinder?
When sizing this 100 mm bore actuator, compare it against the 80 mm neighbor: the 80 mm bore provides 2513 N push at 0.5 MPa, while this 100 mm unit outputs 3927 N at the same pressure, giving you a substantial step up in thrust. Choose the SAUJ over a fixed-stroke SAU when your machine assembly requires field tuning of the extend position within a 50-90 mm window, avoiding the need to buy multiple cylinders. Mounting options include Basic, FA flange, and LB foot styles, with compatibility matching the AirTAC SC series. The -S magnet allows electronic or reed switch integration. For this 90 mm stroke, side-load is minimal, but for any stroke over 300 mm, always use external guide rails to prevent piston binding.
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 SAUJ100X90-40S FAQ
This 100 mm bore cylinder has a 90 mm nominal extend stroke that can be shortened by up to 40 mm on-site, giving a 50-90 mm usable range. It provides 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, 7068 N push at 0.9 MPa, and a theoretical max of 801 kgf at 1.0 MPa. The air port is 1/2 inch.
The external stop screw physically limits the piston's extend travel, allowing you to trim the stroke by up to 40 mm without disassembly. The -S suffix indicates a built-in piston magnet, enabling the use of CMSG, DMSG, or EMSG sensors for position detection. Note that the stop screw only sets the end position; it does not lock the load.
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