
The AirTAC Airtac JSI Series Standard Cylinder JSI100X35 is a genuine double acting JIS-standard air cylinder with a Ø100mm bore and 35mm 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 compact machinery. Its extruded hard-anodized aluminum barrel sheds external rods to save space, measuring shorter than an ISO 15552 cylinder of the same 100 mm bore. The internal 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 safely lifts a 200 kg vertical load with a 2:1 margin. Air enters via a G1/2 port, and adjustable 33 mm cushions decelerate the 32 mm rod at both stroke ends. Because this specific SKU lacks the -S magnet, it cannot host CMSE or DMSE position switches.
| Model | Airtac JSI Series Standard Cylinder JSI100X35 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 35 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). |
| ×35 | 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.
Drives heavy bearings into automotive transmission housings using its 3927 N push force at 0.5 MPa.
Acts as a robust 100 mm bore stopper block on high-mass conveyor lines, handling impacts without tie rods.
Folds thick corrugated flaps on large appliance cartons, relying on the 35 mm short stroke for rapid cycling.
If 3927 N at 0.5 MPa is too much force, the neighboring 80 mm bore provides 2513 N; stepping up to the 125 mm bore yields 6136 N. This 35 mm stroke moves quickly within the 30-800 mm/s speed range. For mounting flexibility, choose LB foot, FA/FB flange, CA/CB/CR clevis, TC/TCM1/TCM2 trunnion, or an I/Y/F/U rod knuckle.
Remember that standard air cushions only decelerate the piston near the end of travel and do not function as a brake. If your application must hold a load vertically during air loss or valve centering, add an external rod lock or a pilot-operated check valve to prevent drift.
Quick checklist
The 100 mm bore uses a G1/2 port. At 0.5 MPa it pushes 3927 N and pulls 3574 N. At 0.7 MPa it pushes 5497 N and pulls 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa.
It is a JIS-standard profile cylinder that is shorter and more compact than an ISO 15552 cylinder of the same bore. Note that this specific SKU has no -S magnet, so it cannot accept CMSE or DMSE sensors.
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