Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S
The AirTAC SAIJ100X350-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 350 mm nominal stroke that can be dialed back by up to 50 mm, yielding a highly flexible 300-350 mm usable travel window. Delivering 3927 N of push force at 0.5 MPa, it is built for heavy-duty positioning tasks.
This variant includes a standard carbon steel rod and a -S magnet for position sensing. You can mount AirTAC CMSE reed or DMSE electronic solid-state switches directly into the sensor grooves machined on both sides of the extruded aluminum barrel. The rear stopper allows precise end-position tuning at commissioning without adding external stops, while the PT-threaded G1/2 port ensures high airflow for the 30-800 mm/s speed range.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 350 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 SAIJ100X350-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×350 | 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 SAIJ100X350-50S Is Used
Product Size Changeovers
Dial in the 300-350 mm stroke window during format changes on packaging lines, using the rear screw to set the exact new end-position without mechanical rebuilds.
Heavy-Duty Pressing
Leverage the 3927 N push force at 0.5 MPa for pressing assemblies, fine-tuning the bottoming position precisely to avoid damaging components during commissioning.
Variable End-Stop Diverter
Actuate diverter gates on conveyors where the target position shifts by up to 50 mm between production runs, relying on the 30-800 mm/s speed for rapid cycling.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X350-50S the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore falls short on power, as the 80 mm delivers 2513 N push at 0.5 MPa compared to the 3927 N provided here. The 50 mm adjustment range is ideal for machines processing multiple product sizes, allowing operators to change the end-stop on the fly rather than swapping cylinders. Because the stroke is 350 mm, the M20x1.5 rod should be paired with an external guide to prevent excessive side-loading on the piston.
When specifying a replacement, ensure you match the 100 mm bore, 350 mm stroke, 50 mm adjustment, PT port threads, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider an AirTAC 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 SAIJ100X350-50S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it achieves a maximum push force of 801 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the 350 mm nominal length down to 300 mm. It only sets the travel end and decelerates the load via the air cushion; it does not lock the position without live air pressure.
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