Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-50S
The AirTAC Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-50S 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 SAUJ100X950-50S
The AirTAC SAUJ100X950-50S is a double-acting single-rod profile cylinder with an on-site stroke adjustment window. You can shorten the 950 mm maximum extend stroke by up to 50 mm via the external stop screw, yielding a usable 900 to 950 mm range 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, an 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 sets the safe working load around 2356 N (60 percent of the 0.5 MPa push force), translating to a vertical lift capacity of roughly 200 kg with a 2:1 safety margin. The -S suffix indicates a built-in piston magnet for CMSG, DMSG, or EMSG position switches. For high-heat environments beyond the standard -20 to +70 C range, Viton H seals extend operation to 150 C.
Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-50S Technical Specifications
| Model | Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-50S |
|---|---|
| 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 SAUJ100X950-50S
| 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 SAUJ100X950-50S Is Used
Large Press Dwell Tuning
Allows operators to fine-tune the 50 mm extend window on-site to perfectly set the dwell position of a large forming press without swapping actuators.
Palletizer Height Calibration
Provides adjustable end-stop positioning for varying pallet heights, letting maintenance trim the extend stroke by up to 50 mm to match new packaging dimensions.
Heavy Divert Stroke Setup
Delivers the high push force needed to divert heavy loads on a conveyor while permitting exact 900 to 950 mm stroke adjustment during line changeovers.
Is the Airtac SAUJ100 Adjustable Cylinder SAUJ100X950-50S the Right Cylinder?
When sizing this actuator, compare it against the neighboring 80 mm bore, which provides 2513 N push at 0.5 MPa. The 100 mm bore is necessary when your application demands the full 3927 N at 0.5 MPa or up to 801 kgf maximum theoretical force at 1.0 MPa. Choose the SAUJ adjustable type over a fixed SAU when your machinery requires precise field tuning of the extend end position, saving the cost of ordering custom-length actuators for prototype validation. The 50 mm adjust window is ideal for dialing in exact stopping points. Mounting options include Basic, FA flange, and LB foot styles, sharing compatibility with the AirTAC SC series. Because the -S magnet is present, you can directly mount CMSG, DMSG, or EMSG sensors. At a 950 mm stroke, the extended rod is highly susceptible to bending; always use external guide rails to support side loads and prevent rod damage.
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 SAUJ100X950-50S FAQ
This 100 mm bore cylinder provides 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and 7068 N push at 0.9 MPa, with a theoretical max of 801 kgf at 1.0 MPa. The external stop screw allows you to shorten the 950 mm maximum extend stroke by up to 50 mm on-site, giving a usable range of 900 to 950 mm. It uses a 1/2 inch port and 29 mm adjustable air cushions.
The external stop screw mechanically sets the extend end position, but it is not a load lock. A plain cylinder does not hold a load on air loss or when the valve is centered; the piston will drift, and the air cushion only decelerates motion near the end of the stroke. For a held load, you must use an external rod lock or a pilot-operated check valve. The -S suffix means a magnet is built in for CMSG, DMSG, or EMSG sensors.
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