
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X225-20S 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 aluminum extruded barrel skips external rods entirely, while the G1/2 port handles the air volume needed for dynamic cycling.
The JSIJ100X225-20S uses an external stop screw to trim the extend stroke by up to 20 mm on site, giving a usable forward range of 205 to 225 mm without swapping the cylinder. The retract end remains fixed, and the stop simply fine-tunes the end position rather than locking the load. A built-in piston magnet feeds CMSE or DMSE switches mounted in the side grooves, and adjustable 33 mm air cushions at both ends absorb kinetic energy near the stroke limits.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X225-20S |
|---|---|
| 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 205 to 225 mm clamping reach on-site to accommodate varying material thicknesses without re-engineering the fixture.
When sizing this 100 mm bore actuator, compare it against the neighboring 80 mm and 125 mm options. The 20 mm adjustable window is ideal for sharing one spare cylinder across multiple fixtures that need slightly different extend endpoints. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. The integrated -S magnet supports electronic position sensing. For this 225 mm stroke, ensure external guide rails carry the payload to prevent side-loading damage to the rod seal.
Quick checklist
This 100 mm bore cylinder pushes with 3927 N and pulls with 3574 N at 0.5 MPa. At 0.7 MPa it pushes 5497 N and pulls 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa. It uses a G1/2 air port, a 32 mm rod, and features 33 mm adjustable air cushions at both ends.
The nominal 225 mm extend stroke is the maximum length. An external stop screw lets you shorten the forward stroke by up to 20 mm on-site, yielding a usable extend range of 205 to 225 mm. The retract end is fixed. This stop only sets the end position; it does not hold the load on air loss, so use an external rod lock for vertical holding.
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.