
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X600-100 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 SAIJ200X200-100 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty applications. It features a rear mechanical adjuster that allows you to trim the effective stroke by up to 100 mm. For this 600 mm nominal stroke model, that creates a precise 500-600 mm usable travel window, enabling rapid product changeover without swapping the physical cylinder or adding external stops.
This 200 mm bore actuator uses a robust 40 mm carbon steel rod and a PT G3/4 port for high-volume air delivery. The extruded aluminum barrel incorporates sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. Unlike fixed-stroke SAI cylinders, this adjustable variant allows fine end-position tuning at commissioning. Note that the rear adjuster acts purely as a travel stop and does not lock the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X600-100 |
|---|---|
| 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.
Dial in the 500-600 mm travel window on the fly to accommodate different material thicknesses in a large forming press without changing the actuator.
Use the rear stopper to fine-tune the end position of heavy pallets on a 200 mm bore conveyor system, allowing precise alignment for robotic pickup.
Adjust the retract stroke by up to 100 mm during machine setup to safely clear large injection molds or tooling plates before initiating a cycle.
Selecting this 200 mm bore actuator is ideal when your machinery requires extreme force alongside variable end-stop positioning. If your application needs less force, dropping to a smaller bore saves weight and air consumption. Because the nominal 600 mm stroke exceeds 300 mm, the 40 mm rod is highly susceptible to side-loading; always use an external guide to prevent binding and premature seal wear.
Choose this adjustable-stroke model over a fixed SAI cylinder when you need to fine-tune the retract position during setup or accommodate multiple product sizes on the same line. It is dimensionally interchangeable per ISO 15552 mounting interfaces. For load-holding without live air pressure, the rear adjuster and air cushions will not act as a brake; instead, specify an SAIL pneumatic lock, BSAI clamp-lock, or an external pilot-operated check valve. This unit features PT tapered ports, a carbon steel rod, and no standard magnet.
Quick checklist
At the maximum 1.0 MPa pressure, it delivers up to 3204 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 600 mm nominal stroke anywhere within a 500-600 mm travel window. It is a travel stop, not a lock, meaning the cylinder requires live air to hold position.
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