
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X225-10S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 225mm 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 external stop screw lets you trim the extend stroke by up to 10 mm on site, yielding a usable 215 to 225 mm forward travel while the retract end remains fixed. You can fine-tune the endpoint without physically swapping the cylinder.
Built as a JIS-standard profile unit, the hard-anodized aluminum barrel makes it shorter and more compact than a same-bore ISO 15552 cylinder. The G1/2 port feeds the 32 mm rod, and the -S suffix means a built-in magnet is present for CMSE/DMSE sensors that mount directly into the side grooves.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X225-10S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 225 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). |
| ×225 | 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 215 to 225 mm clamping reach on a heavy press without machining new spacers, using the external adjuster to set the final contact point.
Shift large packages on a sorting line by tweaking the extend endpoint 10 mm shorter on the fly to accommodate varying box widths without changing cylinders.
Secure heavy pallets by adjusting the stop position to compensate for mechanical wear, ensuring precise 225 mm maximum placement every cycle.
The 10 mm extend-adjustment window is ideal when you need to synchronize multiple actuators or share a spare across slightly different stroke variants. Mounting choices cover Basic, FA, LB, TC, TCM1, and TCM2. Because the -S magnet is included, you can fit CMSE/DMSE reed or electronic switches. For any stroke at or above 300 mm, always use an external guide rail to absorb side loads and prevent rod binding.
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 maximum is 801 kgf at 1.0 MPa. This 100 mm bore unit uses a G1/2 port and a 32 mm rod with an M26x1.5 thread.
The nominal 225 mm extend stroke is the maximum. An external stop screw lets you shorten the forward stroke by up to 10 mm on site, giving a usable range of 215 to 225 mm. The retract end is fixed. This stop only sets the end position; it is not a load lock, so use an external rod lock or pilot-operated check valve if you need to hold a load on air loss.
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