Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S
The AirTAC SAIJ100X160-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 120-160 mm usable travel window from its 160 mm nominal stroke. Delivering 3927 N of push force at 0.5 MPa, it handles substantial loads while allowing precise end-position tuning during commissioning without external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible detection mounting.
This specific configuration features a SUS304 stainless steel rod (code B) for superior corrosion resistance and a PT tapered port thread. The rear adjuster acts purely as a mechanical stop to set the retraction end-point; it does not lock or hold the load without continuous air pressure. For position-holding requirements without live pressure, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 160 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 SAIJ100BX160-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×160 | 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 SAIJ100BX160-40S Is Used
Changeover Calibration
Dial in the exact retraction end-point within the 120-160 mm window during product family changeovers without disassembling the machine.
Press Fit Tuning
Fine-tune the engagement depth of a 3927 N pressing operation at machine commissioning to compensate for mechanical wear or material variance.
Variable Stop Positioning
Adjust the rear stop screw to alter where a pallet halts on a conveyor line, providing flexible staging without adding physical hardstops.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-40S the Right Cylinder?
Choose this adjustable-stroke cylinder when your machine setup requires variable end-stops or frequent product-size changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder for minor position shifts. If your application demands less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa. Conversely, moving up to a 125 mm bore provides 6136 N. Since this is a 160 mm stroke, the 25 mm rod and M20x1.5 thread provide excellent rigidity, but any long unsupported travel still necessitates an external guide to prevent excessive side-loading.
To match this ISO 15552 interchangeable cylinder exactly, specify a 100 mm bore, 160 mm stroke, 40 mm adjustment range, PT port thread, SUS304 rod material, and a magnet for CMSE reed or DMSE electronic sensors. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR options.
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 SAIJ100BX160-40S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it provides up to 801 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 160 mm nominal stroke down to as little as 120 mm. This creates a 120-160 mm setup window for fine-tuning the retraction end position at commissioning, though it does not lock the load without live air pressure.
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