Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-30S 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 SAIJ100BX260-30S
The AirTAC SAIJ100X260-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 260 mm nominal stroke that can be fine-tuned down by up to 30 mm, yielding a usable travel window of 230-260 mm for precise end-position calibration at commissioning. Delivering 3927 N of push force at 0.5 MPa, it handles heavy loads with a 25 mm carbon rod and M20x1.5 rod thread.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the rear stopper allows you to dial in the retract position without adding external stops or swapping the cylinder.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-30S |
|---|---|
| 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 SAIJ100BX260-30S
| 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 SAIJ100BX260-30S Is Used
Product Changeover
Dial in the 230-260 mm retract position during format size changes on a packaging line without replacing the cylinder or adding external hard stops.
Machine Setup
Fine-tune the end-of-stroke position during initial commissioning to achieve precise mechanical alignment using the rear 30 mm adjusting screw.
Heavy Forming
Leverage the 3927 N push force at 0.5 MPa for pressing or holding applications where the exact end-stop distance varies by 30 mm.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-30S the Right Cylinder?
Choose this 100 mm bore when you need substantial thrust, such as the 3927 N push force at 0.5 MPa, but want to avoid stepping up to the 160 mm bore which offers 10053 N at the same pressure. The adjustable 230-260 mm window is ideal for product-size changeovers on a line, letting you tune the retract end-stop on the fly instead of machining new hard stops. Because the stroke is 260 mm, ensure an external guide supports the load to prevent excessive side loading on the M20x1.5 rod.
For an exact ISO 15552 replacement match, verify a 100 mm bore, 260 mm stroke, 30 mm adjustment, PT tapered ports, and the -S magnet. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder. SAIJ supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ100BX260-30S FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 30 mm. This creates a usable travel window of 230-260 mm from the 260 mm nominal stroke, allowing precise end-position tuning without changing the cylinder.
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