Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-10 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 SAIJ100BX165-10
The AirTAC SAIJ100X165-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. By turning the rear screw, you can trim the effective travel by up to 10 mm, creating a 155-165 mm usable stroke window for precise end-position tuning at commissioning. It delivers a robust 3927 N push force at 0.5 MPa and 5497 N at 0.7 MPa.
This bore features a 25 mm carbon steel rod (here upgraded to SUS304 stainless steel) and an M20x1.5 rod thread, providing high rigidity and excellent side-load resistance for heavy moving masses. The rear adjuster acts purely as a mechanical stop to set the travel end and does not lock or hold the load without live air pressure. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-10 |
|---|---|
| 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 SAIJ100BX165-10
| 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 SAIJ100BX165-10 Is Used
Precision End-Stop Tuning
Dial in the exact 155-165 mm retract position during machine commissioning to ensure perfect alignment without machining external stopper blocks.
Product Changeover Setup
Quickly adapt the cylinder's effective stroke on packaging lines when product sizes change, using the rear screw to set a new travel limit.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy jigs or workpieces into place, relying on the 25 mm SUS304 rod for structural rigidity.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-10 the Right Cylinder?
Choose this 100 mm bore when your application requires significantly more thrust than the 63 mm bore (1559 N push at 0.5 MPa) but less than the massive 80 mm class (2513 N push). The adjustable-stroke design is ideal for machine setups requiring variable end stops or product changeovers without swapping the cylinder or adding external stops. Since this 165 mm stroke is below the 300 mm side-load threshold, it handles compact loads well, though an external guide is always recommended for optimal bearing life.
For load-holding without continuous air pressure, the rear adjuster and air cushions are insufficient; you would need an external rod lock, a pilot-operated check valve, or related AirTAC types like SAIL or BSAI. To replace this ISO 15552 cylinder exactly, match the 100 mm bore, 165 mm stroke, 10 mm adjustment, PT tapered ports, and the specified SUS304 rod material.
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 SAIJ100BX165-10 FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. If you increase the pressure to 0.7 MPa, the push force reaches 5497 N.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the nominal 165 mm stroke by up to 10 mm. This creates a 155-165 mm usable travel window, allowing you to fine-tune the end position without replacing the cylinder.
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