
The AirTAC Airtac JSI Series Standard Cylinder JSI32X100S is a genuine double acting 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.
Generating 402 N of push force at 0.5 MPa, the AirTAC JSI32X100S is a double-acting JIS-standard profile cylinder built for tight machinery layouts. Its extruded hard-anodized aluminum barrel makes it noticeably shorter and more compact than an ISO 15552 cylinder of the same 32 mm bore, saving valuable space without losing power. The integrated -S piston magnet allows CMSE or DMSE switches to drop directly into the side grooves for precise position detection.
For practical sizing, plan for about 241 N of real work at 0.5 MPa, which means it lifts roughly 20 kg vertically with a 2:1 safety margin. A heterogeneous two-way piston seal retains grease for long, low-friction life, while the G1/8 port keeps air delivery proportional to this compact frame. The adjustable air cushions at both ends absorb end-of-stroke impact, ensuring smooth operation across the 30-800 mm/s speed range.
| Model | Airtac JSI Series Standard Cylinder JSI32X100S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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). |
| ×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.
Ideal for securing delicate electronic components on a PCB assembly fixture, providing 402 N of clamping force without overwhelming the part.
Drives a lightweight pop-up gate on a packaging conveyor to sort small cartons, using the built-in magnet for reliable mid-stroke sensing.
Moves an adhesive dispensing head up and down 100 mm on an automated labeling machine, benefiting from the compact profile to fit tight cell boundaries.
If you need slightly less force, there is no smaller JSI bore available, so this 32 mm option is the starting point. Stepping up to the JSI40X100S raises the 0.5 MPa push force to 628 N if your load demands more headroom. Because this 100 mm stroke is under 300 mm, side-load stress on the 12 mm rod is minimal, but always align the load axially to maximize seal life. Remember that a standard cylinder drifts when air is lost or the valve is centered—the cushion only decelerates the piston near stroke end, so install an external rod lock or pilot-operated check valve if you must hold a load securely.
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 force is 82 kgf at 1.0 MPa. The air port is G1/8.
It is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same bore. It uses an extruded hard-anodized aluminum barrel with no external rods, and the -S version includes a magnet for side-groove sensors.
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