Airtac SAIJ100 Adjustable Cylinder SAIJ100BX290-100
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX290-100 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 SAIJ100BX290-100
The AirTAC SAIJ100X290-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 190-290mm usable travel window. It delivers 3927N of push force and 3681N of pull force at 0.5 MPa, utilizing a robust 25mm rod with an M20x1.5 thread. This configuration includes a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered G1/2 porting.
The rear adjuster acts purely as a mechanical stop to fine-tune the retract end-position during commissioning without adding external stops. It does not hold the load without live air pressure. This extruded aluminum barrel design includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX290-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX290-100 |
|---|---|
| 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 SAIJ100BX290-100
| 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 SAIJ100BX290-100 Is Used
Variable End-Stop Tuning
Dial in the exact retract position down to the millimeter during machine setup, trimming the 290mm stroke back by up to 100mm to accommodate varying material thicknesses.
Product Changeover
Quickly adapt packaging or conveying lines to new package sizes by adjusting the travel window to 190mm, avoiding the need to physically swap out the entire actuator.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in washdown or corrosive manufacturing areas where standard carbon steel rods would fail.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX290-100 the Right Cylinder?
Choose this 100mm bore when an 80mm cylinder (providing 2513N push at 0.5 MPa) is underpowered, but a 125mm bore is unnecessary. The 100mm adjustment range is ideal for product changeovers on automated lines, allowing you to dial in the exact 190-290mm travel window without swapping the cylinder. For load-holding without live air, select a SAIL or BSAI cylinder instead, as this adjuster is a stop, not a lock.
When replacing an ISO 15552 cylinder, match the 100mm bore, 290mm nominal stroke, 100mm adjuster, PT G1/2 ports, and the specified mounting set. Because the stroke is 290mm, an external guide rail is recommended to prevent excessive side-loading on the 25mm rod during extended travel. This model operates at speeds of 30-800 mm/s.
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 SAIJ100BX290-100 FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.9 MPa, the push force increases to 7068N.
The rear adjuster allows you to shorten the effective travel from the nominal 290mm down to a minimum of 190mm. It functions as a mechanical stop for end-position tuning and does not lock or hold the load without continuous air pressure.
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