Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 95mm 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
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20
The AirTAC SAIJ100X95-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 95mm stroke that can be dialed back by up to 20mm, creating a precise 75-95mm usable travel window for fine-tuning end positions during commissioning. Delivering 3927N of push force at 0.5MPa, it handles substantial workloads without needing external stops.
This actuator features a 25mm piston rod with an M20x1.5 thread and a G1/2 port, engineered to manage high side-load stresses. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. Mounting options cover the standard SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR configurations.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 95 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 SAIJ100X95-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×95 | 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 SAIJ100X95-20 Is Used
Machine Setup & Changeover
Fine-tune the 75-95mm travel window during product family changeovers, adjusting the retract stop by up to 20mm without replacing the actuator.
Variable End-Stop Positioning
Dial in the exact end-of-stroke position during commissioning to accommodate mechanical tolerances or varying material thicknesses on the fly.
Heavy-Duty Forming Operations
Leverage the 3927N push force at 0.5MPa for pressing or forming tasks where the precise retract distance must be calibrated to the workpiece.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-20 the Right Cylinder?
Choose this 100mm bore when an application requires heavy thrust—such as 3927N push at 0.5MPa—and a variable end-stop. If your process needs less force, stepping down to the 80mm bore yields 2513N; if you need more, the 125mm bore offers 6136N. The adjustable stroke is ideal for product-size changeovers on a line, allowing you to shift the retract position by up to 20mm without swapping out the cylinder. The rear adjuster acts purely as a mechanical stop to set travel limits and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series, or an external rod lock.
When replacing an ISO 15552 cylinder, match the 100mm bore, 95mm stroke, 20mm adjustment, PT tapered port, and the specific mounting style. Because the 25mm rod and M20x1.5 thread handle significant side loads, ensure your setup provides adequate external guiding for the payload.
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 SAIJ100X95-20 FAQ
At a 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.9MPa, the push force increases to 7068N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 95mm nominal stroke by up to 20mm. This creates a 75-95mm usable travel window for fine-tuning the end position at commissioning without adding external stops.
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