
The AirTAC Airtac JSI Series Standard Cylinder JSI100X180 is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 180mm 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 100 mm bore double-acting actuator fits heavy automation into tight spaces. Its JIS-standard extruded aluminium profile is noticeably shorter than an ISO 15552 cylinder of the same bore, saving valuable machine footprint without sacrificing power. The hard-anodized barrel omits external rods to resist wear, while the two-way NBR piston seal retains grease for a long, low-friction service life.
Because this specific SKU lacks the -S magnet, it cannot host CMSE or DMSE position switches. For sizing real tasks, plan for roughly 2356 N of actual work at 0.5 MPa, which translates to lifting about 200 kg vertically with a 2:1 safety margin. The unit features a G1/2 port, an M26x1.5 rod thread, and 33 mm adjustable air cushions at both ends to smooth out high-speed 30-800 mm/s strokes.
| Model | Airtac JSI Series Standard Cylinder JSI100X180 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 180 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). |
| ×180 | 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 the robust 3927 N push force needed to eject bulky plastic automotive interior panels from a 200-ton press, utilizing the 180 mm stroke to clear the mould halves safely.
Acts as a heavy-duty diverter on a packaging line, using its compact JIS profile to fit within tight conveyor framework while pushing loaded pallets onto a secondary spur.
Raises and lowers a 150 kg material lift gate in a distribution hub, operating well within the 200 kg vertical lift capacity to ensure smooth and reliable vertical movement.
If 3927 N at 0.5 MPa is more than your process requires, the 80 mm bore offers 2513 N of push force. For heavier demands, the 125 mm bore steps up to 6136 N. Since this 180 mm stroke is under 300 mm, rod bending is less of a concern, but always guide the load rigidly to prevent side loads from damaging the front cover packing. To add magnetic sensing, you must select the -S variant instead of this model.
Remember that standard pneumatic operation will not hold a load securely if air pressure drops or the valve is centred; the piston will drift. The integrated cushions only decelerate the rod near the stroke ends and do not act as a mechanical brake. For suspended or vertical loads that must remain fixed during a failure, install an external rod lock or a pilot-operated check valve.
Quick checklist
This 100 mm bore cylinder generates 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 is 801 kgf at 1.0 MPa. It uses a G1/2 air port and features a 32 mm piston rod with an M26x1.5 thread.
The JSI is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same bore, saving machine space. It uses an extruded hard-anodized aluminum barrel without external rods. Note that this specific SKU has no -S magnet, so it cannot support CMSE or DMSE magnetic sensors.
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