
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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 SAIJ200X275-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a massive 15708 N push force at 0.5 MPa and utilizes a 100 mm adjustment range, creating a 175-275 mm usable travel window for precise end-position tuning during commissioning. This model features a SUS420J2 stainless steel rod (A option) and PT tapered port threads.
Because the nominal stroke is 275 mm, long unsupported travel requires an external guide to manage side loads despite the robust 40 mm rod diameter. The rear adjuster acts purely as a mechanical stop to fine-tune the retract distance without swapping the cylinder, but it does not hold the load without live air. For position holding without pneumatic pressure, consider the SAIL or BSAI series instead.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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. |
| ×275 | 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 175-275 mm travel window during heavy press commissioning to accommodate material thickness variations without machining new stopper blocks.
Rapidly adjust the retract end-position on a conveyor diverter when switching to a different product size, utilizing the 100 mm trim range for fast line resets.
Fine-tune the end-stop on large assembly jigs where a 40 mm SUS420J2 stainless rod resists side loads while setting precise clamping distances.
Choose this 200 mm bore cylinder when your application requires extreme thrust up to 15708 N at 0.5 MPa, and stepping down to a 160 mm bore (providing 10053 N push at 0.5 MPa) would be insufficient. The 100 mm adjustment window is ideal for machine setups that undergo frequent product changeovers, allowing operators to dial in the exact end-stop without adding external spacers.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 275 mm stroke, PT port threads, and the required mounting set (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that SAIJ omits the FB, CA, CB, and CR mounts. This non-magnetic variant does not support CMSE or DMSE sensors; if position feedback is required, select an -S magnet option instead.
Quick checklist
The rear adjuster acts as a mechanical stop that lets you shorten the 275 mm nominal stroke by up to 100 mm, providing a usable travel window of 175-275 mm. It only sets the travel end and does not lock or hold the load without live air pressure.
At 0.5 MPa operating pressure, the SAIJ200X275-100 provides 15708 N of push force and 15080 N of pull force. At 0.9 MPa, the push force increases to 28274 N.
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