
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X450-100S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 450mm 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 nominal 450 mm travel is the maximum, yielding a usable 350-450 mm window, while the retract end remains fixed. This on-site tuning lets you dial in the exact end position without swapping the cylinder.
Built with an extruded hard-anodized aluminum profile barrel, the body is shorter and more compact than a same-bore ISO 15552 cylinder. Air connects via a G1/2 port, and adjustable 33 mm cushions decelerate the load at both ends. The -S suffix means a built-in piston magnet is present, allowing CMSE or DMSE sensors to drop directly into the side grooves for position detection.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X450-100S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 450 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). |
| ×450 | 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.
Trim the 450 mm extend stroke down to 380 mm on-site to act as an adjustable pallet stop without machining new hard stops.
Dial in the exact lower dead point of a light pressing operation using the 100 mm adjuster window, hitting the precise height every cycle.
Keep one actuator in maintenance stock and adjust its extend travel anywhere from 350 to 450 mm to replace several fixed-length units.
The JSIJ adjustable-stroke mechanism is ideal when you need to fine-tune the extend endpoint after installation or want a single spare part that covers several stroke variants. Mounting options include FA, LB, TC, TCM1, and TCM2. Because the stroke is 450 mm, always use an external guide rail to prevent rod bending and absorb side loads.
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 at 1.0 MPa is 801 kgf.
The 450 mm nominal stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 100 mm on site, giving a usable range of 350-450 mm. The retract end is fixed, and the adjuster sets the end position rather than holding 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.