
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 195mm 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 SAIJ200X195-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 175 to 195 mm, letting you dial back the nominal 195 mm stroke by up to 20 mm during commissioning. Belonging to the highest force class, it generates 21991 N of push force at 0.7 MPa and 28274 N at 0.9 MPa.
This unit uses a SUS420J2 stainless steel rod (option A) for corrosion resistance and carries PT tapered port threads (G3/4). The rear adjusting screw functions strictly as a mechanical stop to set deceleration and end positions; it does not lock or hold the load without live air pressure. For position holding, consider the SAIL or BSAI series instead.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX195-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 195 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. |
| ×195 | 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 175-195 mm insertion depth for heavy-duty assemblies, allowing fine-tuning of the end-stop without changing the cylinder setup.
Adapt a single actuator to varying large-scale product dimensions on a line by adjusting the rear stopper up to 20 mm during format resets.
Precisely calibrate the retract end position during machine commissioning to accommodate mechanical tolerances in large-scale fixtures.
Choose this 200 mm bore when your application requires maximum thrust, stepping up from a 160 mm bore that yields 14074 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers where the exact end-of-stroke position shifts by a few millimeters, eliminating the need to swap out a fixed-stroke SAI cylinder or bolt on external stops. Because the 195 mm stroke is under the 300 mm threshold, side-load risks are moderate, but the substantial M36x2 rod thread still handles high offset loads better than smaller bores. When matching an ISO 15552 replacement, verify the 175-195 mm travel window, PT G3/4 ports, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Quick checklist
At 0.7 MPa operating pressure, this 200 mm bore cylinder provides 21991 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
The rear adjuster allows you to shorten the effective travel from the nominal 195 mm down to 175 mm. This creates a 175-195 mm adjustable window, acting as a mechanical stop to fine-tune end positions without replacing the cylinder.
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