Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 25mm 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
- Stroke25 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10
The AirTAC SAIJ100X25-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 15-25 mm usable travel window, allowing you to dial back the 25 mm nominal stroke by up to 10 mm during commissioning. Delivering 3927 N of push force at 0.5 MPa, it handles heavy positioning tasks with precision.
This model uses a G1/2 PT port and a 25 mm carbon steel rod with an M20x1.5 thread, providing high rigidity against side loads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this SKU is supplied without a magnet. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 25 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 SAIJ100X25-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×25 | 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 SAIJ100X25-10 Is Used
Machine Setup Tuning
Dial in the exact 15-25 mm retract position during initial commissioning without machining external stopper blocks.
Product Changeover
Quickly adjust the end-stop for varying package sizes on a packaging line using the rear screw.
Heavy Positioning
Leverage the 3927 N push force to move heavy pallets while fine-tuning the stroke endpoint.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X25-10 the Right Cylinder?
Choose this 100 mm bore when an 80 mm cylinder (providing 2513 N push at 0.5 MPa) is insufficient for your load. The SAIJ100X25-10 is selected specifically when you need variable end-stops for product changeovers rather than a fixed-stroke SAI cylinder. The 10 mm adjustment window lets you fine-tune the retract position without swapping the cylinder or adding external stops.
Because the rear adjuster and air cushions only decelerate the travel end, this cylinder cannot hold a load without live air pressure. For fail-safe load holding, consider an external rod lock or related types like the SAIL or BSAI. Ensure your setup matches the PT port thread and the ISO 15552 mounting interface.
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 SAIJ100X25-10 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. At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 25 mm nominal stroke by up to 10 mm, resulting in a 15-25 mm usable travel window. It only sets the end position and does not lock the load without live air.
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Standard models usually ship in 3-4 days.
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