
The AirTAC Airtac JSI Series Standard Cylinder JSI100X1500S is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 1500mm stroke, G1/2 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 3927 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 100 mm 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 the -S suffix provides a built-in magnet, you can drop CMSE or DMSE reed and electronic switches directly into the side grooves for position sensing.
For practical sizing, plan for about 2356 N of real work at 0.5 MPa, which means it lifts roughly 200 kg vertically with a 2:1 safety margin. The G1/2 air port feeds the 32 mm hard-chrome rod, and adjustable 33 mm air cushions at both ends decelerate the piston smoothly across its 1500 mm travel. If you need dual-rod thrust or adjustable end-positions, consider the related JSID or JSIJ variants.
| Model | Airtac JSI Series Standard Cylinder JSI100X1500S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 1500 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M26×1.5 |
| 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, 33 mm |
| Max standard stroke | Up to 1500 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 | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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). |
|---|---|
| 100 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×1500 | 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 heavy stamped metal doors between welding stations, utilizing the full 3927 N thrust at 0.5 MPa to overcome conveyor friction.
Ejects 200 kg packaged assemblies from a stretch-wrap machine, relying on the 1500 mm stroke to clear the loading zone completely.
Extracts large molded plastic bins from presses, where the hard-anodized barrel withstands repeated high-impact cycling and factory debris.
When sizing this 100 mm bore, check both neighbors: a 63 mm bore gives 1559 N push at 0.5 MPa, while a 125 mm bore yields 6136 N. This model hits 3927 N, making it ideal for heavy-duty positioning. Since the stroke is 1500 mm, you must use an external guide to prevent rod bending and excessive side loads. Remember that a standard cylinder drifts when air is lost or the valve is centered; the cushions only decelerate the piston near stroke end and will not hold a load. For vertical or suspended loads, install an external rod lock or a pilot-operated check valve. The -S magnet matches CMSE/DMSE sensors perfectly.
Quick checklist
At 0.5 MPa it provides 3927 N push and 3574 N pull. At 0.7 MPa it provides 5497 N push and 5003 N pull. The theoretical maximum force is 801 kgf at 1.0 MPa. The air port is G1/2, the rod is 32 mm, and the rod-end thread is M26x1.5.
It is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same bore. The -S suffix means it has a built-in piston magnet, allowing CMSE or DMSE switches to be installed in the side grooves for precise position detection.
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