Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 950mm 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
- Stroke950 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S
The AirTAC SAUJ100X950-30S is a double-acting, single-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 30 mm on-site, yielding a usable 920-950 mm window. The nominal 950 mm is the maximum. It features a 1/2" port, M20x1.5 rod thread, and 29 mm adjustable air cushions. The extruded aluminum profile makes it shorter than an ISO 15552 cylinder of the same 100 mm bore.
This bore delivers serious power: 3927 N push and 3681 N pull at 0.5 MPa, climbing to 7068 N at 0.9 MPa. A practical computed insight sets the safe working load around 2356 N (60% of the 0.5 MPa push), which translates to a 200 kg vertical lift with a 2:1 safety margin. The -S suffix means a piston magnet is present for CMSG, DMSG, or EMSG switches. The stop screw dictates end position; it is not a load lock, and the cushion only decelerates.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 950 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 SAUJ100X950-30S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×950 | 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 SAUJ100X950-30S Is Used
Heavy Press Tonnage
Demands field stroke tuning to set precise bottoming pressure on varying tooling heights without remounting the actuator.
Pallet Diverting
Requires adjusting the extend stop to accommodate different pallet widths on the same line while handling heavy loads.
Large Crate Pushing
Needs on-site stroke trimming to push oversized containers exactly to a sensor checkpoint without overtravel.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-30S the Right Cylinder?
When sizing this 100 mm bore, step down to an 80 mm for lighter jobs (2513 N push at 0.5 MPa) or keep the 100 mm for heavy loads up to 7068 N at 0.9 MPa. Choose the SAUJ over a fixed SAU when your assembly needs minor on-site extend tuning without buying a new cylinder. Mounting options include Basic, FA flange, and LB foot, sharing compatibility with the AirTAC SC series. Because the -S magnet is included, you can directly fit CMSG/DMSG/EMSG sensors. For this long 950 mm stroke, you must 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 SAUJ100X950-30S FAQ
It provides 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and 7068 N at 0.9 MPa. The theoretical max is 801 kgf at 1.0 MPa. The nominal 950 mm extend stroke can be shortened by up to 30 mm via the external stop screw, giving a usable 920-950 mm window. It uses a 1/2" port and 29 mm cushions.
The external stop screw mechanically limits the extend end position. It sets the travel endpoint but is not a load lock. Without live air, the piston drifts; the cushion only decelerates near the end. For load holding, use an external rod lock or pilot-operated check valve. The -S suffix provides a built-in magnet for CMSG, DMSG, or EMSG sensors.
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