Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75
The AirTAC SAIJ100X800-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 725-800mm usable travel window, letting you dial back the 800mm nominal stroke by up to 75mm during commissioning. Operating at 0.5 MPa, it delivers 3927N of push force and 3681N of pull force.
This model uses a G1/2 port and a 25mm carbon steel rod with an M20x1.5 thread, offering robust resistance to side loads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 800 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 SAIJ100X800-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×800 | 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 SAIJ100X800-75 Is Used
Machine Setup & Commissioning
Fine-tune the 725-800mm travel window precisely during initial machine build, absorbing mechanical tolerances without machining custom spacers.
Product Size Changeovers
Quickly adapt end-stop positions on a packaging line for different carton lengths by dialing the rear adjuster instead of changing the entire cylinder.
Variable End-Stop Diverter
Adjust the retract stroke dynamically on a conveyor sorting station to hit varying target positions without needing multiple fixed cylinders.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X800-75 the Right Cylinder?
Choose this 100mm bore when an 80mm cylinder (providing 2513N push force at 0.5 MPa) cannot meet your thrust requirements, or step down if 3927N is excessive. The 75mm adjustment range is ideal for product changeovers, allowing variable end-stops without swapping cylinders or adding external stops. For strokes of 800mm, an external guide is recommended to prevent rod sag and manage side loads. This SAIJ cylinder is dimensionally interchangeable per ISO 15552. Note that the rear adjuster acts only as a travel stop; for load-holding without live air, use an SAIL or BSAI cylinder.
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 SAIJ100X800-75 FAQ
At 0.5 MPa operating pressure, the SAIJ100X800-75 provides 3927N of push force and 3681N of pull force. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster acts as an external stopper that shortens the effective stroke by up to 75mm. This gives the 800mm nominal stroke a usable travel window of 725-800mm, which can be fine-tuned during commissioning without replacing the cylinder.
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