
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 750mm stroke, G3/4 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 SAIJ200X750-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a substantial 28274N of push force at 0.9 MPa and features a SUS420J2 stainless steel rod. The integrated -S magnet allows precise position detection using CMSE reed or DMSE electronic sensors fitted into the dual-side barrel grooves.
With a nominal 750mm stroke and a 100mm adjustment range, this model yields a usable travel window of 650 to 750mm. This built-in stopper allows you to dial back the extend position during commissioning without adding external physical stops. The adjuster and variable air cushions govern the travel end deceleration, but neither component acts as a lock to hold the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX750-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 750 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 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. |
|---|---|
| 200 | Bore size in mm. |
| ×750 | 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 exact 650-750mm extend position during machine setup to seat large components accurately without shimming external stops.
Adjust the stroke length on the fly to accommodate different oversized product dimensions moving down a heavy-duty transfer line.
Fine-tune the end-of-travel stopper on extended 750mm strokes to perfect the deceleration curve for massive payloads.
Choose this 200mm bore when your application requires the highest thrust classes, as stepping down to a 160mm bore drops the 0.5 MPa push force to 10053N. The adjustable stroke is ideal for product changeover on long conveyors, letting you fine-tune the 650-750mm travel window on the fly instead of physically swapping a fixed-stroke SAI cylinder. To match this ISO 15552 footprint for a direct replacement, verify the 750mm stroke, 100mm adjustment, PT tapered ports, and the -S magnet requirement.
Because the stroke is 750mm, the 40mm diameter rod and its M36x2 thread will still experience leverage forces if the load is unsupported. You must use an external guide to prevent side-load damage. Remember that the rear adjuster is strictly a travel stop; for fail-safe load holding without live air, select an SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
Quick checklist
At an operating pressure of 0.9 MPa, this 200mm bore cylinder generates a push force of 28274N and a pull force of 15080N.
The nominal stroke is 750mm with a 100mm rear adjuster, creating a usable travel window of 650 to 750mm that you can fine-tune during commissioning.
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