Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-40S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-40S 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 SAIJ100X700-40S
The AirTAC SAIJ100X700-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 660 to 700 mm usable travel window, allowing you to dial back the nominal 700 mm stroke by up to 40 mm during commissioning. Delivering 3927 N of push force at 0.5 MPa, it handles heavy actuation tasks with precision.
Equipped with a carbon steel rod and a magnet for CMSE / DMSE sensors, this unit uses PT tapered ports (G1/2). The extruded aluminum barrel includes sensor grooves on both sides. Remember that the rear adjuster acts only as a travel stop and deceleration point; it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-40S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-40S |
|---|---|
| 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 SAIJ100X700-40S
| 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 SAIJ100X700-40S Is Used
Product Changeovers
Dial in the 660-700 mm travel window to accommodate varying product lengths on the same conveyor line without mechanical modifications.
Machine Setup
Fine-tune the retract end-stop during commissioning to achieve exact positioning, avoiding the need for external stopper blocks.
Heavy Assembly Presses
Leverage the 3927 N push force at 0.5 MPa to drive heavy-duty joining operations, adjusting the stroke to prevent over-travel.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-40S the Right Cylinder?
Choose this 100 mm bore when you need substantial thrust, delivering 3927 N push at 0.5 MPa. If your application requires less force, stepping down to an 80 mm bore yields 2513 N, while moving up to a 125 mm bore provides 6136 N. The adjustable stroke is ideal for product changeovers, letting you fine-tune the end position without swapping cylinders or adding external stops.
Because the 700 mm stroke is long, an external guide is recommended to manage side loads and prevent rod bending. For load-holding without continuous air pressure, this plain cylinder is insufficient; consider an AirTAC SAIL or BSAI series, or an external rod lock. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100X700-40S FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. It can reach up to 7068 N push at 0.9 MPa.
The rear adjuster screw lets you shorten the 700 mm nominal stroke by up to 40 mm, creating a 660-700 mm travel window. This stopper only sets the end position; it does not lock the load without live air.
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