
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX170-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 170mm 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 SAIJ200X170-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that provides a usable travel window of 70 to 170 mm. Equipped with a SUS304 stainless steel rod and a magnetic piston for CMSE reed and DMSE electronic sensors, it delivers a robust 15708 N push force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This adjustable-stroke model allows you to fine-tune the retract end-position at commissioning without swapping the cylinder or adding external stops. It operates at 30-500 mm/s and uses PT tapered ports sized at G3/4. The rear adjuster acts purely as a travel stop for deceleration alongside the variable air cushions, meaning it does not hold the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX170-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 170 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. |
| ×170 | 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 70-170 mm travel window during machine setup to accommodate different part lengths without changing the cylinder.
Rapidly adjust the retract position on the fly during production line changeovers, saving downtime on mechanical reconfiguration.
Leverage the 15708 N push force at 0.5 MPa for heavy pressing tasks while fine-tuning the exact end-position to prevent overtravel.
Choose this 200 mm bore when your application requires maximum thrust, stepping up from a 160 mm bore that provides 10053 N push at 0.5 MPa. The 100 mm adjustment range is ideal for product-size changeovers on a line, letting you dial in the exact end-stop without mechanical rework. For load-holding without live pressure, this cylinder is not a lock; you would need to specify an SAIL pneumatic lock or an external rod lock.
As a dimensionally interchangeable ISO 15552 profile cylinder, it replaces standard units using the same mounting footprint. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Because the stroke is 170 mm, side-load is moderate, but the 40 mm rod and M36x2 thread handle it well; for longer unsupported strokes, always use an external guide.
Quick checklist
At 0.5 MPa, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach up to 21991 N push at 0.7 MPa.
The rear adjuster allows you to trim the 170 mm nominal stroke back by up to 100 mm, creating a usable 70-170 mm travel window. It functions as a mechanical stop for end-position tuning and does not lock the load without live air.
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