
The AirTAC Airtac JSI Series Standard Cylinder JSI32X500 is a genuine double acting JIS-standard air cylinder with a Ø32mm bore and 500mm 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.
Delivering 402 N of push force at 0.5 MPa, this double-acting JIS-standard profile cylinder saves valuable machine space by being noticeably shorter than an ISO 15552 cylinder of the same 32 mm bore. The extruded hard-anodized aluminum barrel omits external rods to resist wear, while a two-way piston seal retains grease for long, low-friction life. Air connects via a G1/8 port.
Because this SKU lacks the -S magnet, it cannot accept CMSE or DMSE position switches. For real-world sizing, plan for about 241 N of actual work at 0.5 MPa, which translates to lifting roughly 20 kg vertically with a 2:1 safety margin.
| Model | Airtac JSI Series Standard Cylinder JSI32X500 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| JSI | JIS-standard profile cylinder (double-acting type). |
|---|---|
| 32 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×500 | 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.
Uses the full 500 mm travel to index small material trays in an electronics assembly line, safely moving parts weighing under 20 kg.
Pushes lightweight cardboard cartons at 30-800 mm/s onto a secondary conveyor belt during automated packing runs.
Extends to transfer small specimen racks between testing stations where a compact 32 mm bore footprint is required.
If 402 N at 0.5 MPa is too much force, note there is no smaller JSI bore, so you must reduce pressure; stepping up to the JSI40X500 yields 628 N. Since this is a 500 mm stroke, the Ø12 mm rod needs external guide support to prevent side-load bending. The air cushion only decelerates the piston near stroke end and will not hold a load if air is lost—install a pilot-operated check valve for vertical holding. Without the -S suffix, this unit cannot host magnetic sensors.
Quick checklist
At 0.5 MPa it provides 402 N push and 345 N pull. At 0.7 MPa it provides 563 N push and 483 N pull. The theoretical maximum is 82 kgf at 1.0 MPa, and the air port size is G1/8.
The JSI is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same 32 mm bore, giving you a space saving without losing the 500 mm stroke.
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