
The AirTAC Airtac JSI Series Standard Cylinder JSI32X800S is a genuine double acting JIS-standard air cylinder with a Ø32mm bore and 800mm 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, this double-acting 32 mm bore unit is a JIS-standard profile cylinder that is shorter and more compact 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 long, low-friction life. It operates at 30-800 mm/s and uses a G1/8 port.
Because the -S suffix equips the piston with a magnet, you can drop CMSE or DMSE reed and electronic switches directly into the side grooves for position sensing. 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. The 800 mm stroke is a long extension that requires careful external guidance to prevent rod bending under side loads.
| Model | Airtac JSI Series Standard Cylinder JSI32X800S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 800 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). |
| ×800 | 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.
Traverses an 800 mm path to position PCB panels at a routing station, using the magnet for end-of-travel confirmation.
Pushes lightweight sorting trays along a conveyor line, where the compact profile saves valuable machine footprint.
Extends across a 800 mm work area to move low-friction lab sample racks, lifting roughly 20 kg loads vertically.
If 402 N of push at 0.5 MPa is insufficient, stepping up to the JSI40X800S yields 628 N, while stepping down is not an option as 32 mm is the smallest JSI bore available. The M10x1.25 rod thread and 20 mm adjustable air cushions at both ends help manage end-of-stroke impact. For this 800 mm stroke, always use an external guide rail to support the load and prevent rod-bending forces. Remember that a plain cylinder drifts when air is lost or the valve is centered; the cushions only decelerate the piston near the ends and do not act as a lock. To hold a vertical load securely, install an external rod lock or a pilot-operated check valve.
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. It features a 32 mm bore, 800 mm stroke, G1/8 port, M10x1.25 rod thread, and operates at 30-800 mm/s.
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 on tight machines. The -S suffix means it has a built-in magnet for CMSE/DMSE sensors.
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