
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX600-30 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
It features a SUS304 stainless steel rod and PT tapered ports. The integrated rear stopper allows you to trim the effective travel, creating a precise 570 to 600 mm usable window without changing the physical cylinder length.
This 100 mm bore actuator utilizes an extruded aluminum barrel with sensor grooves on both sides, operating at speeds of 30-800 mm/s. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX600-30 |
|---|---|
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| 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.
Dial in the 570-600 mm travel window during product size changes without physically replacing the actuator or adding external shims.
Fine-tune the retract end-stop during commissioning to achieve exact positioning for critical pressing or forming tasks.
Accommodate varying package sizes on a conveyor line by adjusting the stroke rearward by up to 30 mm on the fly.
The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, preventing the need to swap out a fixed-stroke SAI cylinder. To match this ISO 15552 interchangeable cylinder, specify the 100 mm bore, 600 mm stroke, 30 mm adjustment, PT ports, and SUS304 rod material.
Because this model features a 600 mm stroke, the 25 mm rod diameter should still be paired with an external guide to prevent excessive side-loading on the piston. Note that the SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Quick checklist
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the nominal 600 mm stroke by up to 30 mm. This creates a usable travel window of 570 to 600 mm. The adjuster only sets the end position and does not lock the load without live air pressure.
At 0.5 MPa, the push force is 3927 N.
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