The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X100-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 100mm 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.
Generating 982 N of push at 0.5 MPa, this 50 mm bore actuator brings precise on-site tunability to your JIS-standard pneumatic setup. The hard-anodized extruded aluminum profile is noticeably shorter and more compact than a same-bore ISO 15552 cylinder, saving valuable machine space without losing strength. It handles about 589 N of real work safely, which means you can lift roughly 50 kg vertically with a 2:1 margin.
The external stop screw lets you shorten the extend stroke by up to 10 mm on site, giving a usable extend range of 90 to 100 mm while the retract end remains fixed. You can fine-tune the end position without physically swapping the cylinder, which is ideal for dialing in shared spares across slightly different stroke variants. This version has no magnet and cannot take a sensor, so you will need the -S variant if your build requires CMSE or DMSE switches. Air connects via a G1/4 port.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X100-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 100 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M18×1.5 |
| 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×100 | 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 clamping depth on a machining fixture by adjusting the extend stroke up to 10 mm on-site, ensuring perfect material contact without remounting the cylinder.
Fine-tune the extension length of a sorting gate on a conveyor line to accommodate different package sizes, using the external stop screw to set the precise 90 to 100 mm reach.
Leverage the shorter JIS profile dimensions to fit a 50 mm bore actuator into tight storage density systems, adjusting the push stroke to safely eject varied carton depths.
When sizing this actuator, compare it against its neighbours: a 40 mm bore yields 628 N of push at 0.5 MPa, while stepping up to a 63 mm bore provides 1559 N. The 50 mm bore hits a versatile middle ground at 982 N. The 10 mm adjustable window is extremely useful when you need to tune the extend end position on-site or want a single spare part to cover 90 to 100 mm stroke variants. You can mount it using basic, FA, LB, TC, TCM1, or TCM2 brackets. For any stroke length at or above 300 mm, always use a guide rail to prevent side-load damage to the piston rod.
Quick checklist
At 0.5 MPa it delivers 982 N of push and 825 N of pull. At 0.7 MPa the force increases to 1374 N push and 1154 N pull. The theoretical maximum force is 200 kgf at 1.0 MPa. This 50 mm bore model uses a G1/4 air port.
The nominal 100 mm stroke is the maximum, but an external stop screw lets you shorten the extend stroke by up to 10 mm on-site, giving a usable range of 90 to 100 mm. The retract end remains fixed. This mechanism only sets the end position and decelerates the piston via the adjustable air cushion; it does not hold a load on air loss. For load holding, you must use an external rod lock or a pilot-operated check valve.
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