
The AirTAC Airtac JSI Series Standard Cylinder JSI100X100CB is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 100mm 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. It is built to move substantial mass, safely handling about 2356 N of real work, which translates to lifting roughly 200 kg vertically with a 2:1 margin.
This specific SKU features a CB clevis mounting interface and a 100 mm stroke, operating at speeds of 30-800 mm/s. Pneumatic connections use a G1/2 port, and the 32 mm hard-chrome rod utilizes an M26x1.5 thread. Because this model lacks the -S magnet option, it cannot accept CMSE or DMSE position sensors; add the -S variant if your application requires drop-in side-groove sensing.
| Model | Airtac JSI Series Standard Cylinder JSI100X100CB |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 100 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). |
| ×100 | 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 3927 N push force required to secure heavy injection mold halves during the low-pressure closing phase on 200-ton presses.
Leverages the CB clevis mount to pivot a heavy-duty diverting arm, smoothly routing loaded pallets weighing up to 200 kg on packaging lines.
Raises and lowers vertical lift gates in automated storage systems, utilizing the 33 mm adjustable cushions to prevent shock at the 100 mm stroke end.
When sizing this 100 mm bore, evaluate your force needs carefully: stepping down to the 80 mm JSI yields 2513 N of push at 0.5 MPa, while stepping up to the 125 mm bore provides 6136 N. The 100 mm strikes a balance at 3927 N. Remember that a standard cylinder does not hold its position if air pressure drops or the valve is centered—the piston will drift, and the 33 mm adjustable air cushions only decelerate the stroke at the ends, acting purely as end-of-stroke buffers rather than a locking brake. To suspend a load safely mid-stroke, integrate an external rod lock or a pilot-operated check valve into your circuit.
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 size is G1/2.
The JIS-standard extruded profile barrel makes this unit shorter and more compact than an ISO 15552 cylinder of the same 100 mm bore, saving machine footprint while retaining double-acting power.
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