
The AirTAC Airtac JSI Series Standard Cylinder JSI32X90STC is a genuine double acting JIS-standard air cylinder with a Ø32mm bore and 90mm 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, the AirTAC JSI32X90STC is a 32 mm bore double-acting JIS-standard profile cylinder that saves valuable machine space by being noticeably shorter than an ISO 15552 cylinder of the same bore. The extruded hard-anodized aluminum barrel omits external rods to resist wear, while the two-way piston seal retains grease for a long, low-friction service life. Because this SKU includes the -S magnet, it readily accepts CMSE or DMSE electronic switches in the side grooves for position sensing.
With a 90 mm stroke and a G1/8 port, it is well-suited for compact actuation tasks. Plan for roughly 241 N of real work at 0.5 MPa, which translates to lifting about 20 kg vertically with a 2:1 safety margin. The adjustable air cushions at both ends provide smooth deceleration near the stroke limits.
| Model | Airtac JSI Series Standard Cylinder JSI32X90STC |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 90 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). |
| ×90 | 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.
Pushes lightweight plastic moldings out of an injection press with 402 N of force at 0.5 MPa.
Actuates a 90 mm stroke diverter arm to route small packages on a packaging conveyor line.
Secures electronic PCBs during soldering, using the built-in magnet for precise end-of-stroke confirmation.
When sizing this 32 mm bore, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa, while the JSI32 is the smallest available option in the series. The included TC trunnion mount provides a pivoting centerline interface, and the -S magnet enables direct sensor integration. Note that a standard cylinder drifts if air pressure is lost or the valve is centered; use an external rod lock or pilot-operated check valve if the load must be safely held in place.
Quick checklist
The JSI32X90STC delivers 402 N push and 345 N pull at 0.5 MPa, 563 N push and 483 N pull at 0.7 MPa, with a theoretical maximum of 82 kgf at 1.0 MPa. It features a G1/8 air port and an M10x1.25 rod thread.
It is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same 32 mm bore, saving space without sacrificing the 90 mm stroke or adjustable cushioning.
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