Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-20S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-20S 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 SAIJ100BX160-20S
The AirTAC SAIJ100X160-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel within a 140-160 mm window. Delivering 3927 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and is equipped with a magnet for electronic DMSE or reed CMSE position sensing. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This adjustable model lets you dial in the retract end-position during commissioning or product changeovers without swapping the cylinder or adding external stops. The rear adjuster functions strictly as a travel stop and deceleration point alongside the variable air cushions—it does not hold the load without live air. For load-holding without pressure, consider an external rod lock or the AirTAC SAIL series.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-20S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-20S |
|---|---|
| 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 SAIJ100BX160-20S
| 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 SAIJ100BX160-20S Is Used
Machine Changeover
Dial in the 140-160 mm travel window during product size changes without physically swapping cylinders or re-engineering fixture stops.
Variable End-Stop Tuning
Use the rear adjuster to set precise retract positions for multi-format tooling, ensuring exact alignment during commissioning.
Heavy Clamping Setups
Leverage the 3927 N push force at 0.5 MPa to secure heavy workpieces, relying on the adjuster to fine-tune the clamping depth.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX160-20S the Right Cylinder?
Select this 100 mm bore cylinder when an application requires substantial thrust (up to 3927 N at 0.5 MPa or 7068 N at 0.9 MPa) but demands on-site stroke flexibility. If you need less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa; if you require more, a 125 mm bore provides 6136 N. The 20 mm adjustment range is ideal for setups needing precise variable end-stops rather than a fixed-stroke SAI cylinder.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 160 mm stroke, PT G1/2 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2—omitting FB, CA, CB, CR). Because the stroke is 160 mm, side-load risks are moderate, but an external guide is still recommended for heavy unsupported loads. The 25 mm rod and M20x1.5 thread provide robust piston support, and the -S magnet enables precise DMSE/CMSE sensor feedback.
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 SAIJ100BX160-20S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster acts as an external stop, allowing you to shorten the 160 mm nominal stroke by up to 20 mm, creating a usable 140-160 mm travel window. It sets the end position but does not lock the load without live air pressure.
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