Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 85mm 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
- Stroke85 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S
The AirTAC SAUJ100X85-75S is a double-acting single-rod profile cylinder built for on-site stroke adjustment. An external stop screw lets you trim the extend stroke by up to 75mm, giving a usable working stroke of 10-85mm. It features a 1/2 inch port, a 25mm piston rod, and an integrated magnet for position sensing.
This 100mm bore class delivers serious force: 3927N push and 3681N pull at 0.5MPa. The safe working load is roughly 2356N, allowing a vertical lift of about 200kg with a 2:1 margin. The extruded aluminum profile is shorter than an ISO 15552 cylinder of the same bore, and the -S suffix enables CMSG, DMSG, or EMSG switches.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 85 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 SAUJ100X85-75S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×85 | 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 SAUJ100X85-75S Is Used
Press Fit Tuning
Dial in the exact insertion depth of bearings on an assembly line by trimming the extend stroke up to 75mm on-site.
Variable Depth Sealing
Adjust the down-stroke end position to accommodate different box heights for sealing heads without changing tooling.
Mold Clamping Setup
Set precise clamping contact points for low-pressure molds, relying on the 3927N push force at 0.5MPa.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X85-75S the Right Cylinder?
Choose this 100mm bore when you need 3927N push at 0.5MPa; step down to an 80mm bore (2513N push) if your load is lighter, or accept the larger footprint if you need exactly this thrust. The 75mm adjust window is ideal for finalizing machine timing without machining custom spacers. Select FA flange or LB foot mounts, which share compatibility with the AirTAC SC series. The -S magnet supports electronic sensing. Because the 85mm stroke is under 300mm, side-load guide requirements are minimal, but always guide external 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 SAUJ100X85-75S FAQ
This 100mm bore cylinder provides 3927N push and 3681N pull at 0.5MPa, 5497N push at 0.7MPa, and 7068N push at 0.9MPa. The theoretical max is 801kgf at 1.0MPa. The external stop screw shortens the extend stroke by up to 75mm, yielding a usable 10-85mm range.
The -S suffix means a piston magnet is installed for CMSG, DMSG, or EMSG switches. Note that the stop screw only sets the end position; it is not a load lock. The air cushion only decelerates. For fail-safe load holding on air loss, use an external rod lock or pilot-operated check valve.
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