Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-50S 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 SAIJ100BX260-50S
The AirTAC SAIJ100X260-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window from 210 to 260 mm without external stops. It delivers a robust 3927 N push force at 0.5 MPa, making it well-suited for heavy-duty positioning tasks. This variant includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet for position sensing.
Equipped with PT tapered G1/2 ports, it operates at speeds from 30 to 800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides for flexible CMSE or DMSE switch mounting. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-50S |
|---|---|
| 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 SAIJ100BX260-50S
| 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 SAIJ100BX260-50S Is Used
Variable End-Stop Tuning
Dial in the exact retract position within the 210-260 mm window during commissioning to accommodate different product sizes without changing the cylinder.
Product Changeover Systems
Quickly adjust the stroke stop on packaging or sorting lines when switching between product formats, minimizing downtime and mechanical rework.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to reliably move and stop heavy pallets or fixtures, using the rear screw to fine-tune the final resting position.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX260-50S the Right Cylinder?
Select this 100 mm bore cylinder when your application requires substantial thrust—stepping down to an 80 mm bore drops the 0.5 MPa push force to 2513 N. The 50 mm adjustment range is ideal for machine setups requiring variable end-stops during product changeovers, effectively replacing the need to swap out a fixed-stroke SAI cylinder. When matching an ISO 15552 replacement, verify the 260 mm nominal stroke, 50 mm adjust range, PT port thread, and the -S magnet requirement.
Because the 260 mm stroke is moderately long, the 25 mm rod diameter should still be guided externally to prevent excessive side-loading and premature seal wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, deliberately omitting FB, CA, CB, and CR brackets to streamline your profile cylinder setup.
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 SAIJ100BX260-50S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides a push force of 3927 N and a pull force of 3681 N. It can achieve a maximum push force of 7068 N at 0.9 MPa.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the effective travel from the 260 mm nominal stroke down to a minimum of 210 mm. This stopper only sets the end position and does not lock the load without live air pressure.
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