
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX25-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 25mm 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 SAIJ200X25-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position without external stops. With a 25 mm nominal stroke and a 10 mm adjustment range, it provides a usable travel window of 15 to 25 mm. Fitted with a SUS304 stainless steel rod and PT tapered ports, it delivers a robust 15708 N push force at 0.5 MPa.
This heavy-duty actuator features an extruded aluminum barrel with sensor grooves on both sides for flexible switch placement. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX25-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 25 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. |
| ×25 | 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 15-25 mm travel during setup to ensure precise pressing force without machining custom spacers.
Quickly adjust the end-stop by up to 10 mm when switching between product sizes on a shared production line.
Fine-tune the clamping endpoint to accommodate varying material thicknesses without repositioning the entire fixture.
Choose this 200 mm bore when you need maximum thrust in a compact travel distance, stepping up significantly from the 160 mm bore which provides 10053 N at 0.5 MPa. The adjustable stroke is ideal for applications requiring exact end-position tuning at commissioning or during product changeovers, avoiding the need to swap cylinders or add external stopper blocks. For ISO 15552 dimensional replacement, match the 25 mm stroke, 10 mm adjuster, PT port, and standard mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Quick checklist
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. It can reach a maximum push force of 3204 kgf at 1.0 MPa.
The rear adjuster allows you to mechanically shorten the 25 mm nominal stroke, providing a usable travel window of 15 to 25 mm. This stopper only sets the end position and does not lock the load without continuous air pressure.
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