
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-10S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 600mm stroke, G1/4 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 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder brings on-site extend-stroke flexibility to long-trreach tasks. The external adjuster lets you shorten the extend stroke by up to 10 mm, giving a usable range of 590-600 mm without swapping the unit. It handles about 377 N of real work safely, which means lifting roughly 32 kg vertically with a 2:1 margin. Built with an extruded hard-anodized aluminium barrel, the body is notably shorter and more compact than a same-bore ISO 15552 cylinder.
This double-acting single-rod variant includes a built-in piston magnet for CMSE/DMSE switches that drop directly into the side grooves. Air flows through a G1/4 port, and adjustable air cushions of 20.5 mm at each end absorb end-of-stroke shock. Because the 600 mm stroke is quite long, external guides are recommended to prevent rod bending under side loads. The retract end remains fixed, and the adjuster only sets the extend end position.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-10S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 600 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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, 20.5 mm |
| Max standard stroke | Up to 1200 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×600 | 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.
Adjusts the 600 mm extend stop by up to 10 mm on-site to perfectly align a diverter gate without machining new mounts.
Shifts boxes on a line using the 628 N push force, with the 10 mm window allowing quick tweaks for varying carton widths.
Uses the full 600 mm stroke to clear a machine bed, relying on the 20.5 mm cushions to decelerate the load smoothly.
When sizing this 40 mm bore, stepping down to a 32 mm bore drops the 0.5 MPa push force to 402 N, while stepping up to a 50 mm bore raises it to 982 N. The 10 mm adjustable window is ideal for sharing as a spare across slightly different stroke variants or fine-tuning the final end position on-site. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. The -S suffix means a magnet is already included for CMSE/DMSE sensors. For the 600 mm stroke, always use an external guide rail to manage side loads and prevent rod bending.
Quick checklist
At 0.5 MPa it provides 628 N push and 528 N pull. At 0.7 MPa it provides 879 N push and 739 N pull. The theoretical maximum force is 128 kgf at 1.0 MPa. The air port size is G1/4.
The nominal 600 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 10 mm, giving a usable extend range of 590-600 mm. The retract end is fixed, and this mechanism only sets the end position rather than locking the load.
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