
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X100-30 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 100mm 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 extruded hard-anodized aluminium barrel omits external rods, making it noticeably shorter than a same-bore ISO 15552 unit. The G1/8 port keeps air supply neatly scaled to this smaller frame.
The -30 code means an external adjuster can shorten the extend stroke on-site by up to 30 mm, giving a usable 70-100 mm range while the retract end stays fixed. You can fine-tune the end position without swapping the cylinder, which is ideal for shared spares across stroke variants.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X100-30 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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). |
| ×100 | 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 70-100 mm extend stop on a small parts diverter without machining a new mount.
Fit the short JIS profile into a dense fixture and tweak the 30 mm window to clamp varying heights.
Size this 32 mm bore against the 40 mm option if you need more push (628 N at 0.5 MPa), as the 32 mm sits at the low edge of the range. The adjustable stroke shines when you need on-site end-position tuning or want a single spare to cover several stroke variants. JSIJ mounting choices include Basic, FA, LB, TC, TCM1, and TCM2. Because this is a no-S SKU, it cannot take a magnetic sensor; add the -S variant for CMSE/DMSE switches. For any stroke over 300 mm, always guide the load to prevent side-load wear.
Quick checklist
The air port is G1/8.
The 100 mm nominal stroke is the maximum. An external adjuster lets you shorten the extend stroke on-site by up to 30 mm, yielding a 70-100 mm usable range. The retract end is fixed.
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