
The AirTAC JSIJ100~125 Adjustable Cylinder JSIJ100X80-10 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø100mm bore and 80mm 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 makes it shorter than a same-bore ISO 15552 unit. The G1/2 port feeds the 32 mm rod to generate that thrust.
An external stop screw lets you shorten the extend stroke on-site by up to 10 mm, giving a usable range of 70-80 mm while the retract end stays fixed. You can fine-tune the end position without physically changing the cylinder. This plain SKU lacks a magnet, so it cannot take a CMSE or DMSE sensor. Note that the adjustable air cushion only decelerates the load; use an external rod lock or pilot-operated check valve if you need to hold a load on air loss.
| Model | Airtac JSIJ100~125 Adjustable Cylinder JSIJ100X80-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 80 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). |
| ×80 | 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.
Dial in the exact 70-80 mm extend position for seating bearings without swapping the actuator.
Use the external stop screw to set a precise lower dead point for a 200 kg vertical press tool.
Adjust the extend end-position on-site to deflect heavy pallets accurately into a test bay.
For lighter jobs stepping down to the 80 mm bore drops the 0.5 MPa push to 2513 N, while moving up to 125 mm raises it to 6136 N. The 10 mm adjust window is perfect for sharing one spare across slightly different stroke variants or tuning end positions on-site. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this is a non-magnet SKU, you cannot fit position sensors; choose the -S variant if you need CMSE or DMSE switches. Even at 80 mm stroke, always guide the rod to prevent side-load 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 is 801 kgf at 1.0 MPa. The air port is G1/2.
The nominal 80 mm extend stroke is the maximum. The -10 code means an external adjuster lets you shorten the extend stroke on-site by up to 10 mm, yielding a usable 70-80 mm range. The retract end is fixed.
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