
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X700-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 700mm 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 SAIJ200X700-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 700 mm stroke that can be dialed back by up to 20 mm, yielding a usable travel window of 680 to 700 mm for precise end-position tuning at commissioning.
This extruded aluminum profile barrel features sensor grooves on both sides and includes a standard -S magnet for position detection. It works seamlessly with AirTAC CMSE reed switches and DMSE solid-state electronic sensors. The robust 40 mm carbon steel rod and M36x2 thread handle heavy loads, while the PT tapered port threads ensure a tight, high-flow pneumatic connection.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X700-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 700 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. |
| ×700 | 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 680 to 700 mm end-stop for heavy-duty pressing operations, ensuring precise bottoming force without swapping cylinders.
Quickly adjust the retract position on automated lines when changing product sizes, using the 20 mm trim window to accommodate varying material heights.
An adjustable stroke is chosen over a fixed SAI cylinder when you need to fine-tune the retract end-stop during machine setup or product changeover without adding external stops. The rear adjuster acts purely as a travel stop and does not hold the load without live air; for true load-holding without pneumatic pressure, consider the SAIL or BSAI series. Because the 700 mm stroke is long, an external guide is recommended to prevent excessive side-load on the 40 mm rod. This unit is dimensionally interchangeable per ISO 15552 and includes a -S magnet, PT ports, and mounting options limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
At 0.7 MPa, the push force increases to 21991 N.
The external rear screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 700 mm down to 680 mm. It only sets the travel end and does not lock or hold the load without live air pressure.
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