
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X600-50S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 600mm 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 profile barrel keeps the body shorter and more compact than a same-bore ISO 15552 cylinder. Air enters via a G1/2 port, driving a 32 mm rod with M26x1.5 threading and 33 mm adjustable air cushions at each end.
The -50 suffix means an external stop screw lets you trim the extend stroke by up to 50 mm on-site, giving a usable forward travel of 550 to 600 mm while the retract end stays fixed. You can fine-tune the end position without swapping the cylinder, making it ideal for shared spares across stroke variants. The -S code adds a built-in piston magnet for CMSE/DMSE switches in the side grooves. Note that a plain cylinder drifts on air loss; use an external rod lock for held loads.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X600-50S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 600 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). |
| ×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.
Tunes the 550 to 600 mm extend stop on-site to match varying pallet widths without changing the cylinder length.
Uses the 33 mm adjustable cushions to decelerate the heavy 100 mm piston smoothly at the end of a long 600 mm stroke.
This JSIJ model supports Basic, FA, LB, TC, TCM1, and TCM2 mounts. The -S magnet allows CMSE/DMSE sensors to drop directly into the barrel grooves. Because the 600 mm stroke creates leverage, always support the rod against side-load bending and use external guide rails to prevent premature wear.
Quick checklist
At 0.5 MPa it pushes 3927 N and pulls 3574 N. At 0.7 MPa it pushes 5497 N and pulls 5003 N. The theoretical maximum force is 801 kgf at 1.0 MPa.
The -50 code provides an external adjuster that shortens the extend stroke by up to 50 mm on-site. The usable extend travel is 550 to 600 mm, with 600 mm being the maximum. The retract end remains fixed.
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