
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X225-50 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 hard-anodized aluminium barrel keeps the overall body shorter and more compact than a same-bore ISO 15552 unit, while the G1/2 port feeds the 32 mm rod.
The external stop screw provides a 50 mm on-site extend-shortening window, letting you dial in the usable stroke anywhere from 175 mm up to the 225 mm maximum without swapping the cylinder. Because this SKU lacks a magnet, it cannot take a CMSE or DMSE sensor; add the -S variant if you need position detection. Note that the adjustable cushion only decelerates the piston near the ends, so fit an external rod lock or pilot-operated check valve if the load must hold position on air loss.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X225-50 |
|---|---|
| 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 175 to 225 mm extend position on-site to accommodate different material thicknesses without machining new spacers.
Halts heavy pallets reliably using the adjustable end cushion, with the external screw allowing quick height changes for various pallet sizes.
The 50 mm adjuster is ideal for sharing a single spare cylinder across several stroke variants or fine-tuning the end position after a tooling change. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. For a 225 mm stroke, always guide the load to prevent rod side-loading, and remember this no-magnet version cannot support sensing switches.
Quick checklist
The theoretical maximum force is 801 kgf at 1.0 MPa. This 100 mm bore unit uses a G1/2 air port and a 32 mm piston rod.
The nominal stroke is 225 mm, which is the maximum extend length. An external stop screw lets you shorten the extend stroke on-site by up to 50 mm, giving a usable range of 175 to 225 mm. The retract end remains fixed, and this stopper sets the end position rather than locking the load.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.