
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X150-75 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 150mm stroke, G1/8 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
The external adjuster lets you shorten the extend stroke by up to 75 mm, meaning your usable forward travel is 75-150 mm while the retract end stays fixed. You can fine-tune the end position without physically swapping the cylinder.
Built as a JIS-standard extruded hard-anodized aluminium profile unit, it is noticeably shorter than an ISO 15552 cylinder of the same bore. The air supply connects via a G1/8 port, and the adjustable air cushions provide 20 mm of deceleration at each end.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X150-75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 20 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 346 N | 346 N |
| 0.7 MPa | 484 N | 484 N |
| Max (@1.0 MPa) | 70 kgf | |
JSIJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative).
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 32 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×150 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Dial in the exact 75-150 mm extend length on a diverter gate without machining a new stopper block.
Keep one adjustable unit in maintenance stock to cover multiple 32 mm bore machines with slightly different extend lengths.
Push small parts off a belt at 402 N, tweaking the extend reach on-site to match varying lane widths.
The 75 mm adjust window is ideal when you need to share one spare cylinder across several stroke variants or dial in a precise end position on the machine. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because this SKU lacks the -S suffix, it cannot take a magnetic sensor; add the -S variant for CMSE or DMSE switches. For any stroke over 300 mm, always guide the load to prevent side-load wear on the rod.
Quick checklist
At 0.5 MPa it pushes 402 N and pulls 345 N. At 0.7 MPa it pushes 563 N and pulls 483 N. The theoretical maximum force is 82 kgf at 1.0 MPa. The rod is 12 mm with an M10x1.25 thread.
The nominal stroke is 150 mm, but an external stop screw lets you shorten the extend stroke by up to 75 mm on-site. This gives a usable extend range of 75-150 mm, while the retract end remains fixed. The stop sets the end position and does not lock the load.
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