
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX155-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 155mm 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 SAIJ200X155-10-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, making it suited for heavy-duty industrial handling. The integrated -S magnet enables position detection via AirTAC CMSE reed or DMSE electronic solid-state switches housed in the dual-side sensor grooves.
This specific SKU provides a 155 mm nominal stroke that can be fine-tuned down by up to 10 mm, creating a precise 145-155 mm usable travel window. It features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel maintains standard ISO 15552 mounting dimensions without relying on tie-rods.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX155-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 155 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. |
| ×155 | 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 145-155 mm end-of-stroke position during heavy press commissioning to accommodate material thickness variations without swapping actuators.
Adjust the rear stopper by up to 10 mm on the fly to handle slightly different pallet or product sizes on a high-thrust conveyor line.
Leverage the 15708 N push force and SUS304 stainless steel rod for heavy clamping tasks in environments where standard carbon steel rods would degrade.
Select this 200 mm bore actuator when an application demands extreme force that smaller bores cannot provide, such as stepping up from a 160 mm bore that offers 10053 N push force at 0.5 MPa. The 10 mm rear adjustment screw is ideal for dialing in exact end positions during commissioning or product changeovers without adding external stops. Although the stroke is 155 mm, if your setup extends beyond 300 mm, always use an external guide to support the load and counteract side-loading on the rod.
Remember that the rear adjuster functions strictly as a travel stop to set deceleration, not as a locking device; the cylinder cannot hold a load without live air pressure. For applications requiring true load-holding, consider the SAIL pneumatic lock or BSAI clamp-lock series. This model uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
Quick checklist
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 155 mm nominal stroke by up to 10 mm, providing a usable travel window of 145-155 mm. It is a stop for fine-tuning position, not a lock, and cannot hold the load without continuous air pressure.
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