Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 750mm 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
- Stroke750 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75
The AirTAC SAIJ100X750-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 675-750 mm usable travel window, allowing you to trim up to 75 mm off the 750 mm nominal stroke during machine setup. Operating at 0.5 MPa, it delivers 3927 N of push force and 3681 N of pull force using a 25 mm carbon steel rod.
This model uses a G1/2 port and offers adjustable air cushions at both ends to decelerate heavy loads. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 750 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 SAIJ100X750-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×750 | 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 SAIJ100X750-75 Is Used
Product Changeover
Dial in the 675-750 mm travel window during line changeovers to accommodate different package lengths without changing hardware.
End-Stop Tuning
Fine-tune the exact retraction point during machine commissioning to perfect positioning without adding external mechanical stops.
Heavy Load Handling
Leverage the 3927 N push force and adjustable air cushions to move and decelerate heavy workpieces safely over a long stroke.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X750-75 the Right Cylinder?
Choose this 100 mm bore when your application requires around 3927 N of thrust at 0.5 MPa; if you need less force, a 80 mm bore provides 2513 N, while a 125 mm bore offers 6136 N. An adjustable stroke is ideal for product changeovers where the exact end-stop varies slightly, saving you from swapping cylinders or adding external stops. For load-holding without live air, select a SAIL or BSAI cylinder instead, as this adjuster is not a lock.
Because the 750 mm stroke is long, the 25 mm rod with its M20x1.5 thread will still experience deflection under heavy side loads. Always use an external guide to support the payload. To replace an ISO 15552 cylinder, match the 100 mm bore, 750 mm stroke, 75 mm adjustment, PT G1/2 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting.
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 SAIJ100X750-75 FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw lets you shorten the effective travel from 750 mm down to 675 mm. It functions as a mechanical stop for end-position tuning and is not a lock, meaning the cylinder requires live air to hold its position.
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