Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 55mm 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
- Stroke55 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S
The AirTAC SAIJ100X55-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 3927N of push force at 0.5MPa and features a 55mm nominal stroke that can be fine-tuned down by up to 10mm, creating a precise 45-55mm usable travel window. This built-in adjustability allows you to dial in the exact end position during commissioning without adding external stops.
This variant includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors, which seat neatly into the sensor grooves on both sides of the extruded aluminum barrel. The carbon steel piston rod features an M20x1.5 thread, and the cylinder uses a PT tapered G1/2 port. Air cushions at both ends manage deceleration, but remember the adjuster is a travel stop, not a lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 55 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 SAIJ100X55-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×55 | 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 SAIJ100X55-10S Is Used
Machine Setup Calibration
Dial in the exact 45-55mm end position during initial commissioning to perfectly align heavy clamping fixtures without machining custom spacers.
Product Size Changeover
Quickly adjust the stroke by up to 10mm on packaging lines when switching between different product sizes, minimizing downtime.
Variable End-Stop Positioning
Use the rear stopper screw to set precise retraction limits on heavy-duty forming presses where a fixed stroke would lack the necessary flexibility.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X55-10S the Right Cylinder?
Choose this 100mm bore when you need substantial thrust, such as the 3927N push or 3681N pull force at 0.5MPa. If your application requires less force, stepping down to a 63mm bore yields 1559N push force, while stepping up to a 125mm bore provides 6136N. The adjustable rear stop is ideal for machine setups requiring variable end-stops or product-size changeovers, giving you flexibility that a fixed-stroke SAI cylinder cannot. To match this ISO 15552 dimensionally interchangeable cylinder, specify the 100mm bore, 55mm stroke, 10mm adjustment, PT G1/2 port, and the -S magnet. If you need to hold a load without live air pressure, look to the SAIL or BSAI series, as the SAIJ adjuster does not lock.
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 SAIJ100X55-10S FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw acts as a mechanical stop that lets you trim the 55mm nominal stroke back by up to 10mm, providing a usable travel window of 45-55mm. It sets the end position but does not lock the load without live air.
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