
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X200-75 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 200mm 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.
The hard-anodized aluminum barrel keeps the build clean without external tie rods, and the G1/2 port matches the bore's high flow demands.
A 75 mm external stop screw window lets you trim the extend stroke anywhere from 200 mm down to 125 mm directly on-site, perfect for dialing in end positions without swapping the whole cylinder. Note that this specific SKU lacks a magnet, so it cannot take CMSE or DMSE sensors.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X200-75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 200 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| 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 | 3525 N | 3525 N |
| 0.7 MPa | 4935 N | 4935 N |
| Max (@1.0 MPa) | 719 kgf | |
JSIJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative).
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 100 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×200 | 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.
Dial in the exact 125 to 200 mm extend reach on a light assembly press without machining new spacers or changing the actuator.
Adjust the stop block position on the fly for mixed-product conveying lines, accommodating different package sizes on the same line.
Fine-tune the extend endpoint to align heavy 200 kg pallets precisely before banding, using the 75 mm on-site adjustment window.
When sizing this 100 mm bore, stepping down to an 80 mm drops the 0.5 MPa push force to 2513 N, while moving up to a 125 mm raises it to 6136 N. The adjustable stroke is ideal for sharing one spare across multiple stroke variants or fine-tuning a machine setup on the floor. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. Because this is a non-S SKU, it cannot accept position sensors. For any stroke at or over 300 mm, always use a guide rail to prevent side-load damage to the rod.
Quick checklist
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 max force is 801 kgf at 1.0 MPa. It uses a 32 mm rod, an M26x1.5 rod thread, a G1/2 port, and has 33 mm adjustable air cushions at both ends.
The nominal 200 mm extend stroke is the maximum. An external stop screw lets you shorten the extend distance by up to 75 mm on-site, giving a usable extend range of 125 to 200 mm. The retract end remains fixed. This mechanism sets the end position and does not lock the load; for load holding on air loss you need an external rod lock or pilot-operated check valve.
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