
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X175-40 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 175mm 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.
Its hard-anodized aluminum extruded barrel makes it shorter and more compact than a same-bore ISO 15552 unit. The G1/8 port keeps air flow proportional to the small footprint.
The -40 code means an external stop screw lets you shorten the extend stroke by up to 40 mm on site, giving a usable range of 135 to 175 mm while the retract end stays fixed. This on-site end-position tuning is ideal for sharing one spare across stroke variants. Note this SKU lacks a magnet and cannot take a CMSE or DMSE sensor.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X175-40 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 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). |
| ×175 | 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.
Use the 40 mm extend-shortening window to precisely set a 135 to 175 mm reach for a part inspection gauge without machining new spacers.
Keep one 175 mm unit on the shelf and dial the stop screw back to match shorter machine stroke requirements during urgent line changes.
Leverage the shorter JIS profile to fit a 32 mm clamping actuator into a dense fixture while still adjusting the final clamp position on site.
The -40 mm adjustable window is perfect when you need to fine-tune the extend end position without swapping the cylinder. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because the 175 mm stroke exceeds 300 mm only in longer variants, always guide the load here to prevent rod side-loading. Add the -S version if you need CMSE or DMSE sensors.
Quick checklist
The air port is G1/8.
The external adjuster shortens the extend stroke by up to 40 mm on site, yielding a 135 to 175 mm usable range with the retract end fixed. The cushion only decelerates; for load holding on air loss, use an external rod lock or pilot-operated check valve.
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