Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-100S 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 SAIJ100BX165-100S
The AirTAC SAIJ100X165-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 165 mm stroke by up to 100 mm. This creates a highly flexible 65-165 mm usable travel window, perfect for product changeovers without swapping hardware. It delivers substantial thrust, pushing 3927 N and pulling 3681 N at 0.5 MPa.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. The integrated magnetic field works seamlessly with AirTAC CMSE reed switches and DMSE electronic sensors fitted into the dual-side sensor grooves. The G1/2 PT tapered ports and M20x1.5 rod thread ensure robust fluid and mechanical connections across your pneumatic setup.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-100S |
|---|---|
| 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 SAIJ100BX165-100S
| 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 SAIJ100BX165-100S Is Used
Product Size Changeovers
Quickly fine-tune the end-of-stroke position from 65 to 165 mm during packaging line format changes without replacing the cylinder or adding shims.
Machine Setup Calibration
Dial in the exact clamping or positioning distance during initial commissioning, ensuring precise mechanical stops before locking down the sequence.
Variable End-Stop Testing
Safely test different travel distances on a new prototype fixture by adjusting the rear stopper screw rather than machining entirely new cylinder mounts.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-100S the Right Cylinder?
Selecting this 100 mm bore over a smaller 80 mm variant steps your push force up from 2513 N to 3927 N at 0.5 MPa, whereas dropping to a 63 mm bore would reduce thrust to 1559 N. You choose the SAIJ adjustable-stroke design over a fixed SAI model when you need precise end-position tuning at commissioning or during product-size changes, eliminating the need to bolt on external stops.
For ISO 15552 replacement matching, verify the 100 mm bore, 165 mm stroke, 100 mm adjustment range, G1/2 PT ports, and the -S magnet requirement. Note that the rear adjuster acts purely as a travel stop to set deceleration points; it does not hold the load without live air. If your application requires true load-holding without continuous pressure, consider the AirTAC SAIL or BSAI series instead. Furthermore, while the 25 mm rod handles standard side loads well, any stroke over 300 mm necessitates an external guide rod to prevent mechanical binding.
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 SAIJ100BX165-100S FAQ
At a 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 rises to 5497 N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 165 mm down to as little as 65 mm, creating a 65-165 mm adjustable window. This stopper sets the end position but does not lock the load without continuous air pressure.
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