
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X900-30S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 900mm 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 extruded barrel houses a 32 mm rod, M26x1.5 rod thread, and G1/2 ports. Because the external stop screw allows the extend stroke to be shortened on-site by up to 30 mm, you can fine-tune the end position without remounting the actuator. The integrated piston magnet supports CMSE and DMSE reed or electronic switches that mount directly into the side grooves.
The nominal 900 mm stroke represents the maximum extend length, yielding a usable range of 870 to 900 mm while the retract end remains fixed. Adjustable air cushions of 33 mm at each end absorb kinetic energy near the stroke limits. Remember that the cushion only decelerates the piston; a plain cylinder cannot hold a load on air loss, so fit an external rod lock or pilot-operated check valve for vertical safety. Operating pressure spans 0.15 to 1.0 MPa across a -20 to +70 C range.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X900-30S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 900 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). |
| ×900 | 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.
Pushes heavy pallets along a 900 mm routing lane, using the 30 mm extend adjuster to dial in the exact deflection angle without moving the cylinder mounts.
Deposits crates at varying rack levels by shortening the extend stroke on-site from 900 mm down to 870 mm for tight shelf clearances.
The JSIJ series supports Basic, FA, LB, TC, TCM1, and TCM2 mounting styles. The built-in magnet (-S) enables direct CMSE/DMSE sensor integration. Because the 900 mm stroke is long, always use external guides to prevent rod bending and manage side loads.
Quick checklist
The theoretical maximum force is 801 kgf at 1.0 MPa. It features a 32 mm rod, M26x1.5 rod thread, G1/2 ports, and 33 mm adjustable air cushions at both ends.
The nominal 900 mm stroke is the maximum extend length. The external adjuster lets you shorten the extend stroke on-site by up to 30 mm, giving a usable range of 870 to 900 mm for fine-tuning the end position. The retract end remains fixed. This stop screw sets the position and does not lock the load.
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