Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 165mm 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
- Stroke165 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100
The AirTAC SAIJ100X165-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 65 to 165 mm, allowing you to dial back the nominal 165 mm stroke by up to 100 mm during commissioning. It delivers a robust 3927 N push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This unit is configured with a SUS420J2 stainless steel rod for enhanced durability against moisture and light corrosion. It uses PT tapered ports and omits the -S magnet option. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 165 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 SAIJ100AX165-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×165 | 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 SAIJ100AX165-100 Is Used
Variable End-Stop Positioning
Dial in the exact retract distance between 65 and 165 mm during machine setup to accommodate changing part dimensions without adding external stoppers.
Heavy-Duty Changeover
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or fixtures while adjusting the stroke on the fly for different product runs.
Commissioning Fine-Tuning
Use the 100 mm rear adjustment screw to perfect the end-position timing during initial machine commissioning without swapping out the entire cylinder.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX165-100 the Right Cylinder?
Select this 100 mm bore cylinder when your application requires substantial force but variable end-of-travel positioning, such as accommodating different product sizes on a single line. If you need less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa; stepping up to 125 mm provides 6136 N. The rear adjuster acts solely as a mechanical stop to fine-tune the end position and cannot hold a load without live air pressure. For true load-holding, consider an external rod lock or the SAIL series.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 165 mm stroke, 100 mm adjustment range, PT port thread, and mounting bracket type. Because the stroke is 165 mm, ensure adequate guidance for the load to prevent excessive side-loading on the 25 mm rod, especially during high-speed operation up to 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 SAIJ100AX165-100 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 allows you to shorten the effective stroke from the nominal 165 mm down to as little as 65 mm, providing a 65-165 mm travel window. It functions as a mechanical stop and does not lock the load without continuous air pressure.
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