
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX150-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 150mm 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 SAIJ160X150-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window from 50 to 150 mm. The -S variant includes a standard magnet for position sensing and pairs directly with AirTAC CMSE reed and DMSE electronic solid-state switches.
This unit is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch mounting. While the rear adjuster sets the end-of-stroke position, it acts purely as a mechanical stop and does not hold the load without live air pressure.
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX150-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 150 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 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. |
|---|---|
| 160 | Bore size in mm. |
| ×150 | 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 50 to 150 mm travel window during machine commissioning to ensure massive pressing forces are applied precisely without mechanical bottoming.
Adjust the rear stopper on the fly to accommodate different material thicknesses or mold sizes on a single forming line, avoiding the need for cylinder replacement.
Select this 160 mm bore cylinder when an application requires heavy thrust combined with a highly variable end-stop, such as accommodating multiple product sizes on a single machine line without swapping hardware. For even greater thrust, moving up to a 200 mm bore provides 15708N at 0.5 MPa. Because the 150 mm nominal stroke falls below the 300 mm side-load threshold, external guide rails are less critical here, though the robust 40 mm rod and M36x2 thread handle substantial mechanical stress.
The adjustable rear screw allows precise commissioning and product changeovers, functioning differently from a fixed-stroke SAI cylinder. Remember that the rear adjuster and air cushions only decelerate the travel end; they do not act as a lock. For true load-holding without live air pressure, consider the SAIL pneumatic lock or BSAI clamp-lock series instead. This SAIJ model supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. It is dimensionally interchangeable per ISO 15552 standards.
Quick checklist
At 0.7 MPa, the push force increases to 14074N.
The rear mechanical stopper allows you to shorten the 150 mm nominal stroke by up to 100 mm, creating a usable travel window of 50 to 150 mm. This adjuster sets the end position but does not lock or hold the load without continuous air pressure.
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