
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X160-50 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 160mm 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 extruded hard-anodized aluminium barrel keeps the assembly light without external tie rods, and the G1/2 port handles the air volume needed for its 30-800 mm/s speed range.
The -50 code means an external adjuster can shorten the extend stroke on-site by up to 50 mm, giving a usable extend range of 110-160 mm while the retract end stays fixed. You fine-tune the end position mechanically without swapping the cylinder, which is ideal for shared spares across stroke variants. This plain SKU has no magnet and cannot take a CMSE or DMSE sensor; add the -S variant for position feedback. Note that the adjustable stop sets end position only—it is not a load lock, so fit an external rod lock or pilot-operated check valve if you need to hold a load against air loss.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X160-50 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 160 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). |
| ×160 | 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.
Use the 50 mm extend-shortening window to dial in the exact pressing depth of bearings on an assembly line without changing the cylinder height.
Adjust the extended stop position on the fly to accommodate different package lengths arriving on a heavy-duty conveyor belt.
Fine-tune the extend stroke by up to 50 mm to align pallets precisely against a backstop before a secondary wrapping or strapping operation.
The 50 mm adjustable window is a major sizing advantage when you need on-site end-position tuning or want one shared spare across slightly different stroke variants. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2 brackets. Because this is a no-magnet SKU, it cannot accept CMSE or DMSE sensors; specify the -S version if your control system requires piston detection. For any stroke at or above 300 mm, always guide the load to prevent excessive side-loading on the rod.
Quick checklist
The theoretical maximum force is 801 kgf at 1.0 MPa. The air port size is G1/2.
The 160 mm nominal stroke is the maximum. The external adjuster lets you shorten the extend stroke on-site by up to 50 mm, giving a usable extend range of 110-160 mm. The retract end remains fixed, and the adjuster sets the end position rather than locking the load.
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