Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 290mm 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
- Stroke290 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100
The AirTAC SAIJ100X290-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 3927N of push force at 0.5MPa and provides a usable travel window of 190 to 290mm, letting you dial back the nominal stroke by up to 100mm.
This extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches. The 25mm carbon steel rod and M20x1.5 thread handle high side loads, while the PT tapered G1/2 port ensures reliable airflow. The rear screw acts as a travel stop for fine-tuning, not a lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 290 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 SAIJ100X290-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×290 | 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 SAIJ100X290-100 Is Used
Machine Changeover
Dial in the 190-290mm travel window during product-size changes on a line, setting exact retract positions without adding external stops.
End-Position Tuning
Fine-tune the retract end-point at commissioning to hit 3927N of thrust accurately, compensating for mechanical tolerance variations.
Assembly Station Setup
Adjust the stroke on the fly for different fixture heights, using the 25mm carbon steel rod to handle heavy side loads during assembly.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X290-100 the Right Cylinder?
Choose this 100mm bore when you need 3927N push force at 0.5MPa, stepping up from an 80mm bore that provides 2513N. Select the adjustable SAIJ over a fixed SAI when your machine setup requires commissioning fine-tune or variable end-stops without swapping cylinders. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
For ISO 15552 replacement, match the 100mm bore, 290mm stroke, 100mm adjustment, PT port, and mounting. Since the 290mm stroke is near the maximum standard limit, use an external guide to support long unsupported loads. The adjuster cannot hold loads without live air; for pilot-operated locking, consider SAIL or BSAI.
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 SAIJ100X290-100 FAQ
The rear adjuster screw lets you shorten the effective travel from the nominal 290mm down to 190mm, providing a 100mm adjustable window. It acts as a mechanical stop to fine-tune the retract end position without replacing the cylinder.
At 0.5MPa, it provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
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