The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X100-50 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.
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder saves machine space by being noticeably shorter than a same-bore ISO 15552 unit. The hard-anodized aluminum barrel keeps the assembly light while the G1/4 porting matches the bore size.
An external adjuster lets you shorten the extend stroke on-site by up to 50 mm, giving a usable range of 50-100 mm without changing the cylinder itself. This on-site tuning handles about 589 N of real work safely, roughly 50 kg lifted vertically with a 2:1 margin. The retract end remains fixed, and since this SKU lacks a magnet, it cannot take a CMSE/DMSE sensor.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X100-50 |
|---|---|
| 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 50-100 mm extend position on-site to clamp varying part widths without swapping the entire cylinder.
Adjust the extend stop to deflect different package sizes on a conveyor line, ensuring precise routing without re-engineering the actuator.
Fit a shorter JIS-profile ejection mechanism into tight machine cells and tune the 50 mm shortening window for safe part ejection.
Size this 50 mm bore against the 40 mm (628 N push at 0.5 MPa) and 63 mm (1559 N) options to match your pressure and force needs. The 50 mm adjustable window is ideal when you need to fine-tune the extend end position on the machine or keep one shared spare across slightly different stroke variants. Mounting choices include FA, LB, TC, TCM1, and TCM2. Because this is a non-magnet SKU, you cannot fit position sensors. For any stroke over 300 mm, always use a guide rail to prevent side-load damage.
Quick checklist
This 50 mm bore cylinder uses a G1/4 port. It delivers 982 N push and 825 N pull at 0.5 MPa, 1374 N push and 1154 N pull at 0.7 MPa, with a theoretical maximum of 200 kgf at 1.0 MPa.
The external adjuster lets you shorten the extend stroke on-site by up to 50 mm, giving a usable extend range of 50-100 mm while the nominal 100 mm remains the maximum. The retract end is fixed, and the stop screw sets the end position but does not lock the load.
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