Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 135mm 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
- Stroke135 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10
The AirTAC SAIJ100X135-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 125-135 mm usable travel window, allowing you to dial back the nominal 135 mm stroke by up to 10 mm during commissioning. Belonging to the 100 mm bore class, it outputs 3927 N of push force and 3681 N of pull force at 0.5 MPa operating pressure.
This model is configured with a SUS420J2 stainless steel rod (option A) and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed or DMSE electronic sensors if a magnet is added later. The rear adjuster acts purely as a travel stop to set deceleration and end positions, not as a load-holding lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 135 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 SAIJ100AX135-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×135 | 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 SAIJ100AX135-10 Is Used
Machine Changeover
Dial in the exact 125-135 mm end position during product size changeovers without machining new spacer blocks or swapping the cylinder.
End-Stop Calibration
Fine-tune the final retract position during machine commissioning to perfectly time the 3927 N push force against a mechanical stop.
Variable Positioning
Adjust the travel window on the fly for flexible assembly line tooling that processes parts of slightly varying heights.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-10 the Right Cylinder?
Choose this 100 mm bore adjustable cylinder when you need precise end-position tuning without swapping out physical stops during product changeovers. If your application requires less force, stepping down to an 80 mm bore yields 2513 N of push force at 0.5 MPa; conversely, moving up to a 125 mm bore provides 6136 N. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR brackets found on other series.
Because the 135 mm stroke is under the 300 mm threshold, external side-load guides are less critical here, though the robust 25 mm rod and M20x1.5 thread handle standard loads well. Remember that the rear adjuster is a stop, not a brake; for position holding without live air pressure, consider an AirTAC SAIL or BSAI series cylinder instead. This unit is dimensionally interchangeable per ISO 15552.
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 SAIJ100AX135-10 FAQ
At 0.5 MPa, 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 operational speed range is 30-800 mm/s.
The rear adjuster screw allows you to shorten the effective stroke by up to 10 mm, creating a usable travel window of 125-135 mm. This stopper sets the end position and deceleration point but does not lock or hold the load without continuous air pressure.
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