
The AirTAC Airtac JSI Series Standard Cylinder JSI100X175STC is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 175mm 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 is built for heavy-duty automation. The extruded hard-anodized aluminum barrel omits external rods, making the unit shorter and more compact than an ISO 15552 cylinder of the same 100 mm bore. A heterogeneous two-way piston seal retains grease for extended, low-friction operation.
The -S suffix indicates a built-in piston magnet, allowing CMSE or DMSE electronic switches to drop directly into the side sensor grooves for position detection. Plan for roughly 2356 N of real work at 0.5 MPa, which translates to lifting about 200 kg vertically with a 2:1 safety margin. Air flows through G1/2 ports, and adjustable 33 mm cushions at both ends decelerate the 32 mm rod smoothly.
| Model | Airtac JSI Series Standard Cylinder JSI100X175STC |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 175 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). |
| ×175 | 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 coil stock into a mechanical press, utilizing the 3927 N push force at 0.5 MPa to overcome material friction.
Separates empty pallets from a magazine stack, where the compact JIS profile saves valuable floor space on the conveyor line.
Drives a secondary ejection arm to clear large molded parts, relying on the 33 mm adjustable air cushions to prevent end-of-stroke impact.
When sizing this 100 mm bore actuator, compare your actual load against the available force range. Stepping down to a JSI63 bore drops the 0.5 MPa push force to 1559 N, while moving up to a JSI125 increases it to 6136 N. The included TC trunnion mount provides a pivoting centerline interface that accommodates slight misalignment, ideal for articulated mechanisms. Because this SKU includes the -S magnet, it is fully ready for CMSE or DMSE sensor integration.
Remember that standard pneumatic cylinders drift when air is lost or the valve is centered. The adjustable end cushions only slow the piston near stroke limits and do not function as a locking brake. If your application requires strict position holding under load loss, install an external rod lock or a pilot-operated check valve.
Quick checklist
This 100 mm bore cylinder features G1/2 air ports and a 32 mm piston rod. The thrust output is 3927 N push and 3574 N pull at 0.5 MPa, increasing to 5497 N push and 5003 N pull at 0.7 MPa. The theoretical maximum force at 1.0 MPa is 801 kgf.
The JSI series follows JIS standards and uses an extruded hard-anodized aluminum barrel without external rods. This profile design makes it shorter and more compact than an ISO 15552 cylinder of the same bore, saving machine space while retaining double-acting functionality.
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