Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 700mm 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
- Stroke700 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75
The AirTAC SAIJ100X700-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 3927N push force at 0.5 MPa. It features a 700mm nominal stroke that can be dialed back by up to 75mm, providing a precise 625-700mm usable travel window for fine-tuning end positions during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This model uses a 25mm carbon steel rod with an M20x1.5 thread and a G1/2 port. It supports speeds of 30-800 mm/s and includes adjustable air cushions at both ends to decelerate heavy loads smoothly. The rear adjuster functions strictly as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 700 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 SAIJ100X700-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×700 | 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 SAIJ100X700-75 Is Used
Variable End-Stop Positioning
Dial in the exact 625-700mm travel distance during machine setup to accommodate varying part lengths without needing to physically swap out the cylinder.
Product Changeover Systems
Quickly adjust the rear stopper screw when transitioning a production line to a new product size, reducing downtime and eliminating the need for external mechanical stops.
Heavy Load Diverting
Leverage the 3927N push force at 0.5 MPa to divert heavy pallets or materials on a conveyor, using the adjustable stroke to fine-tune the diverting distance.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-75 the Right Cylinder?
Choose this 100mm bore when the 80mm class (2513N push at 0.5 MPa) lacks the thrust for moving substantial masses, but step down to the 80mm if your force requirements are lower to save space and air consumption. The 75mm adjustment range is ideal for machinery requiring frequent product-size changeovers, allowing operators to set variable end stops without swapping the cylinder or adding external stops. Because the 700mm stroke is substantial, an external guide is recommended to manage side loads and prevent rod bending.
For ISO 15552 dimensional interchangeability, match the 100mm bore, 700mm stroke, 75mm adjustment, G1/2 PT port, and your required mounting style. The SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR. This configuration uses standard carbon steel rod material and does not include a magnet for sensors.
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 SAIJ100X700-75 FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides a push force of 3927N and a pull force of 3681N. At the maximum operating pressure of 0.9 MPa, the push force increases to 7068N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 700mm down to 625mm. This mechanical stopper only sets the end position and deceleration point; it does not lock or hold the load without continuous air pressure.
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