
The AirTAC Airtac SAIJ50 Adjustable Cylinder SAIJ50AX600-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 600mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ50X600-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 600 mm stroke that can be fine-tuned down by up to 10 mm, creating a precise 590-600 mm usable travel window. Operating at 0.5 MPa, it generates 982 N of push force and 825 N of pull force. The barrel is extruded aluminum with sensor grooves on both sides, and this specific SKU includes a magnet (-S) for position detection alongside an SUS420J2 stainless steel rod (code A) for improved corrosion resistance.
Because the stroke extends to 600 mm, the 20 mm diameter piston rod requires external guidance to prevent excessive side-loading and premature seal wear. The rear adjuster functions strictly as a travel stop for end-position tuning and does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI variants, or integrate an external pilot-operated check valve.
| Model | Airtac SAIJ50 Adjustable Cylinder SAIJ50AX600-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 600 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
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. |
|---|---|
| 50 | 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 590-600 mm travel window during format size changes on a packaging line without swapping out the entire actuator.
Fine-tune the retraction end position by up to 10 mm during machine commissioning to perfect the placement of a 982 N push assembly.
Drive a 600 mm sorting mechanism where the exact end-of-stroke contact point needs slight field adjustment to prevent mechanical binding.
Select this 50 mm bore cylinder when an application requires a 600 mm stroke with a small 10 mm commissioning buffer, stepping up from a 40 mm bore that offers 628 N push force at 0.5 MPa. The adjustable rear stop allows you to dial in the exact retraction end-point during machine setup or product changeover without adding external physical stops. Remember that the SAIJ rear adjuster is a hard stop, not a locking mechanism; it cannot maintain position if air pressure is lost. To achieve a true ISO 15552 replacement match, verify the 600 mm stroke, the 10 mm adjustment range, PT tapered port threads, and the required mounting style from the available SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. The integrated magnet supports AirTAC CMSE reed and DMSE electronic solid-state sensors.
Quick checklist
At 0.5 MPa operating pressure, this 50 mm bore cylinder provides 982 N of push force and 825 N of pull force. At 0.7 MPa, the push force increases to 1374 N.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 10 mm, providing a usable travel window of 590-600 mm. It is a mechanical stop for position tuning, not a lock, and cannot hold the load without continuous air pressure.
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