
The AirTAC Airtac JSI Series Standard Cylinder JSI100X175S 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, the AirTAC JSI100X175S is a double-acting JIS-standard profile cylinder built for tight machinery layouts. Its extruded hard-anodized aluminum barrel omits external rods, making the overall body shorter and more compact than a same-bore ISO 15552 unit. The integrated -S piston magnet allows CMSE and DMSE switches to drop directly into the side sensor grooves for precise position detection.
The bore dictates a G1/2 port and an M26x1.5 rod-end thread, while a 33 mm adjustable air cushion at both ends decelerates the 30-800 mm/s travel smoothly. A heterogeneous two-way piston seal retains grease for a long, low-friction service life. Plan for about 2356 N of real work at 0.5 MPa, which translates to lifting roughly 200 kg vertically with a 2:1 safety margin.
| Model | Airtac JSI Series Standard Cylinder JSI100X175S |
|---|---|
| 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.
Provides 3927 N of push at 0.5 MPa to secure mid-sized injection mold halves, utilizing the 175 mm stroke to clear the part ejection zone.
Actuates a diverter arm on a packaging line to reroute heavy loaded pallets, with the -S magnet triggering DMSE sensors to confirm full extension.
Raises a 150 kg material handling lift gate through its 175 mm travel, safely operating well within the 200 kg vertical lift capacity at 0.5 MPa.
When sizing this 100 mm bore, stepping down to the JSI80X125 yields 2513 N of push force at 0.5 MPa, while moving up to the JSI125 provides 6136 N for heavier demands. Because this SKU includes the -S magnet, it is fully ready for CMSE or DMSE position sensing. Remember that the standard air cushion only decelerates the piston near the stroke ends; it will not hold a load vertically if air pressure drops. For suspended loads, install an external rod lock or a pilot-operated check valve to prevent drift.
Quick checklist
At 0.5 MPa it provides 3927 N of push and 3574 N of pull. At 0.7 MPa the push is 5497 N and pull is 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa. The air port size is G1/2.
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 100 mm bore, saving valuable machine space.
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