Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S
The AirTAC SAIJ100X600-50-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 600 mm nominal stroke that can be dialed back by up to 50 mm, creating a precise 550-600 mm usable travel window for exact end-position tuning during commissioning. In the 100 mm bore class, it delivers substantial thrust, pushing 5497 N and pulling 3681 N at 0.7 MPa.
This unit includes a magnetic piston (-S) for position sensing with CMSE reed or DMSE electronic switches fitted into the dual-side sensor grooves on the extruded aluminum barrel. It uses a robust 25 mm carbon steel rod with an M20x1.5 thread, paired with PT tapered port threads and 36 mm cushions at both ends. The rear adjuster acts purely as a mechanical stop to set the retract distance; it does not lock or hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 600 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 SAIJ100X600-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×600 | 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 SAIJ100X600-50S Is Used
Machine Changeover Tuning
Dial in the 550-600 mm travel window during product size changes to set exact retract positions without swapping out the cylinder.
Variable End-Stop Positioning
Adjust the rear mechanical stop to fine-tune where a heavy 100 mm bore pusher halts on a conveyor line, ensuring precise material placement.
Heavy-Duty Assembly Press
Leverage the 5497 N push force at 0.7 MPa to drive heavy components, using the 50 mm adjustment to set the final resting depth.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-50S the Right Cylinder?
Selecting this 100 mm bore over a smaller 80 mm bore steps the thrust up from 3518 N to 5497 N at 0.7 MPa, whereas moving to a 125 mm bore yields 8590 N for heavier payloads. An adjustable-stroke cylinder is chosen over a fixed-stroke SAI when a machine requires variable end-stops or fine-tuning during product changeovers without physically swapping the cylinder or adding external stop blocks. For load-holding without continuous air pressure, this standard SAIJ is insufficient; you must specify an SAIL or BSAI series, or use an external rod lock.
When matching an ISO 15552 replacement, verify the 100 mm bore, 600 mm stroke, 50 mm adjustment range, G1/2 port, PT thread type, and -S magnet option. Because the 600 mm stroke is long, the 25 mm rod provides good rigidity, but an external guide is still recommended to prevent excessive side-loading on the piston.
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 SAIJ100X600-50S FAQ
The rear adjuster is a mechanical stop that lets you shorten the effective stroke by up to 50 mm, providing a usable travel window of 550-600 mm. It allows you to fine-tune the end position at commissioning without changing the cylinder.
At 0.7 MPa, the push force is 5497 N and the pull force is 3681 N. At 0.9 MPa, the push force increases to 7068 N.
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