
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X800-20 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 800mm 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 barrel makes it shorter and more compact than a same-bore ISO 15552 unit. It features a G1/2 port and a 32 mm rod.
The external stop screw lets you trim the extend stroke by up to 20 mm on site, giving a usable range of 780 to 800 mm while the retract end stays fixed. This on-site tuning is ideal for shared spares across stroke variants. Note this SKU lacks a magnet and cannot take a CMSE or DMSE sensor. The air cushion only decelerates near stroke end; it will not hold a load on air loss, so fit an external rod lock for vertical safety.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X800-20 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 800 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). |
| ×800 | 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.
Shifts loaded pallets along a transfer line, using the 20 mm adjuster to dial in the exact push-off distance without repositioning the cylinder mount.
Actuates an 800 mm stroke gating mechanism in a warehouse sorter, using the adjustable stop to synchronize the gate opening precisely with package sizes.
The -20 mm adjustable window is invaluable for fine-tuning end positions without swapping the cylinder. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this is an 800 mm stroke, you must support side loads with external guides to prevent rod bending. As a non-magnet SKU, it cannot host sensors; choose an -S variant if you need CMSE or DMSE switches.
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. It uses a G1/2 port and a 32 mm piston rod.
The nominal 800 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke by up to 20 mm on site, giving a usable extend range of 780 to 800 mm. The retract end remains fixed. This stop only sets the end position; it does not lock the load.
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