
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX95-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 95mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
It features a SUS304 stainless steel rod and a PT tapered port thread. The built-in magnet enables position sensing with CMSE reed or DMSE electronic switches.
With a 95 mm nominal stroke and a 50 mm adjustment code, this model provides a usable travel window of 45 to 95 mm. This wide tuning range allows precise end-position calibration during commissioning without swapping cylinders or adding external stops. The adjuster acts purely as a travel stop for deceleration, not a lock, so live air is required to hold the load.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 95 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 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. |
|---|---|
| 100 | Bore size in mm. |
| ×95 | 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 retract distance between 45 and 95 mm during machine setup to accommodate varying material thicknesses without mechanical rebuilds.
Quickly adjust the stroke on packaging lines when switching between different product sizes, using the rear screw to set the new precise end position.
The 50 mm adjustment range is ideal for product-size changeovers on a line, giving you a 45-95 mm window to dial in. For load-holding without continuous air pressure, you would need an external rod lock or a related type like the SAIL or BSAI, as the SAIJ adjuster is strictly a stop.
To replace an ISO 15552 cylinder, match the 100 mm bore, 95 mm stroke, G1/2 port, and your required mounting style from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. The 25 mm rod and M20x1.5 thread handle high side loads well, but even at 95 mm, always ensure proper external guiding for heavy loads.
Quick checklist
The rear adjuster screw lets you trim the effective stroke anywhere within a 45 to 95 mm window. It acts as a mechanical stop to set the end position, but it is not a lock; the cylinder still requires live air to hold a load.
At 0.7 MPa, the push force increases to 5497 N.
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