
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X600-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 600mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ200X600-30 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 600 mm nominal stroke that can be dialed back by up to 30 mm, yielding a 570-600 mm usable travel window for precise end-position tuning at commissioning.
The extruded aluminum barrel features sensor grooves on both sides for CMSE reed or DMSE electronic switches if a magnet is later specified. A 40 mm carbon steel rod with an M36x2 thread provides high structural rigidity, though at 600 mm of travel, an external guide is recommended to manage side loading. The rear stopper mechanism acts solely as a travel end deceleration device and does not hold the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X600-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 600 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. 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. |
| ×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.
The 30 mm rear adjuster allows operators to fine-tune the 570-600 mm travel window during line changeovers without disassembling the machinery.
Moves substantial structural components or palletized goods, relying on the rigid 40 mm carbon steel rod to withstand demanding transfer cycles.
Selecting this 200 mm bore over a smaller 160 mm bore steps the thrust up from 10053 N to 15708 N at 0.5 MPa, providing the extra push needed for high-inertia pressing or heavy material handling. An adjustable-stroke design is chosen over a fixed-stroke SAI when a machine requires variable end-stops to accommodate product changeovers without physically swapping the cylinder or adding external stopper blocks.
When specifying a replacement, match the 200 mm bore, 600 mm stroke, 30 mm adjustment range, PT tapered G3/4 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting interface to ensure ISO 15552 dimensional interchangeability. Because the stroke is 600 mm, external load guiding is essential to prevent rod binding. For applications requiring the load to be held in place without continuous air pressure, the rear adjuster will not act as a lock; consider the SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock system instead.
Quick checklist
The rear adjusting screw acts as a mechanical stopper that shortens the effective travel from the 600 mm nominal stroke down to as little as 570 mm. This allows precise end-position tuning during setup, but it only decelerates the travel end and does not lock the load without live air pressure.
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