
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200X200-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 200mm 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 SAIJ200X200-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers massive thrust, providing 15708N push force and 15080N pull force at 0.5 MPa. The built-in -30 mm adjustment screw allows you to dial back the 200 mm nominal stroke, creating a precise 170-200 mm usable travel window for exact end-position tuning at commissioning.
This bore size uses a robust 40 mm carbon steel rod with an M36x2 thread, paired with G3/4 PT tapered ports to handle high airflow. The extruded aluminum barrel includes sensor grooves on both sides, and because this is a -S variant, it contains a magnet for position detection via AirTAC CMSE reed or DMSE electronic solid-state switches. It features adjustable air cushions at both ends, each offering 50 mm of deceleration travel to absorb heavy impact loads.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X200-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 200 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. |
| ×200 | 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.
Fine-tune the 170-200 mm travel window during heavy press commissioning to achieve exact material deformation without adding external mechanical stops.
Quickly adjust the rear stopper on a packaging line to handle different product sizes, using the 30 mm trim range to adapt the end position rapidly.
Leverage the 15708N push force at 0.5 MPa to secure heavy workpieces, using the adjustable end-stop to compensate for varying material thicknesses.
Selecting this 200 mm bore model is appropriate when your application requires up to 15708N of push force at 0.5 MPa, which is significantly greater than the 10053N available from the neighboring 160 mm bore. The adjustable-stroke feature is chosen over a fixed SAI cylinder when you need a variable end-stop to accommodate product-size changes on a line without physically swapping the actuator. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders, matching the 200 mm bore, 200 mm stroke, G3/4 PT ports, and mounting footprint. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Quick checklist
It features a rear adjusting screw that allows you to shorten the effective stroke by up to 30 mm. This creates a usable travel window of 170-200 mm, enabling precise end-position tuning at commissioning without replacing the cylinder.
At 0.5 MPa operating pressure, it provides 15708N of push force and 15080N of pull force. It can reach a maximum thrust of 3204 kgf at 1.0 MPa.
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