Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 260mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke260 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30
The AirTAC SAIJ100X260-30 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a 260 mm nominal stroke and a 30 mm adjustment range, it provides a usable travel window of 230-260 mm for precise end-position tuning. It delivers 3927 N of push force at 0.5 MPa, scaling up to 7068 N at 0.9 MPa, making it suited for heavy-duty positioning tasks.
This model features a robust 25 mm carbon steel piston rod with an M20x1.5 male thread, paired with PT tapered G1/2 ports. The extruded aluminum barrel includes dual-side sensor grooves for mounting CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. The rear stopper screw allows you to dial in the retract end without adding external stops, though it acts only as a travel limiter and not a load-holding lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 260 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
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 SAIJ100 Adjustable Cylinder SAIJ100X260-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×260 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 Is Used
Variable End-Stop Positioning
Dial in the exact retract distance between 230 and 260 mm during machine commissioning to accommodate varying part sizes without external stop blocks.
Product Changeover Diverter
Quickly adjust the stroke window on a packaging line diverter to handle different carton lengths, using the 30 mm rear stopper screw for rapid setup.
Heavy-Duty Press Setup
Leverage the 7068 N push force at 0.9 MPa for pressing operations, fine-tuning the travel end to prevent over-travel during initial fixture calibration.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 the Right Cylinder?
Choose this 100 mm bore when your application requires high thrust, such as 5497 N at 0.7 MPa, which sits well above the 63 mm bore's 2182 N output. If your force needs are lighter, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa. The adjustable-stroke design is ideal for machine setups requiring variable end-stops during product changeovers, offering more flexibility than a fixed-stroke SAI cylinder.
For load-holding without live air pressure, note that this SAIJ's rear adjuster and air cushions function only as travel stops and deceleration devices, not as brakes; you would need an SAIL or BSAI cylinder for locking. This model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and is dimensionally interchangeable per ISO 15552. At a 260 mm stroke, the 25 mm rod handles moderate side loads, but an external guide is recommended for heavy off-center loads.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/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/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X260-30 FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 801 kgf.
The rear adjuster screw allows you to shorten the effective travel by up to 30 mm from the 260 mm nominal stroke, creating a 230-260 mm usable window. It acts as a physical stop to set the end position and does not hold the load without live air.
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