
The AirTAC Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X400-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø80mm bore and 400mm stroke, G3/8 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.
Delivering 2513 N of push force at 0.5 MPa, this 80 mm bore JIS profile cylinder saves machine space because its hard-anodized aluminum extruded body is noticeably shorter than an ISO 15552 unit of the same bore. It connects via a G3/8 port and features a 25 mm rod with an M22x1.5 thread.
The external adjuster lets you trim the extend stroke by up to 10 mm on site, giving a usable range of 390 to 400 mm without swapping the cylinder. In practice it handles about 1508 N of real work, which means lifting roughly 128 kg vertically with a 2:1 safety margin. This SKU lacks a magnet, so it cannot take CMSE or DMSE sensors.
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ80X400-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 400 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G3/8 |
| Rod thread | M22×1.5 |
| 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, 29 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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 80 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×400 | 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 parts off a belt at 400 mm, with the 10 mm window trimming the final stop position to clear a moving guide.
Lowers a fixture and dials in the exact bottom seat within a 390-400 mm range, avoiding hard mechanical stops.
Extends to fold carton flaps, using the adjuster to match varying box heights without reprogramming the machine.
When sizing, the adjacent 63 mm bore offers 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N, letting you step up or down for exact force needs. The 10 mm adjust window is ideal for fine-tuning the extend end position on site or sharing a spare across stroke variants. You can mount it using FA, LB, TC, TCM1, or TCM2 brackets. Because the stroke is 400 mm, always use an external guide rail to prevent rod bending and side-load damage. Note that a plain cylinder drifts on air loss; the 29 mm adjustable cushions only decelerate, so fit an external rod lock or pilot-operated check valve to hold a load.
Quick checklist
At 0.5 MPa it pushes 2513 N and pulls 2268 N. At 0.7 MPa it pushes 3518 N and pulls 3175 N. The theoretical maximum is 513 kgf at 1.0 MPa. The air port is G3/8.
The 400 mm nominal stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 10 mm on site, giving a usable range of 390-400 mm. The retract end is fixed, and the stop sets position only, not load holding.
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