
The AirTAC JSIJ32~50 Adjustable Cylinder JSIJ32X50-10 is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø32mm bore and 50mm stroke, G1/8 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 nominal 50 mm stroke remains the maximum travel, yielding a usable 40-50 mm extend range, while the retract end stays fixed. Built with an extruded hard-anodized aluminum barrel, the body is noticeably shorter and more compact than a same-bore ISO 15552 unit. Air connections use a G1/8 port, and adjustable air cushions of 20 mm decelerate the piston at both ends.
This double-acting double-rod actuator operates at 30-800 mm/s within a 0.15-1.0 MPa pressure range. Because this specific SKU lacks the -S magnet option, it cannot accept CMSE or DMSE sensors for position detection. Note that the adjustable stop sets the end position but does not lock the load; a plain cylinder drifts on air loss, so fit an external rod lock or pilot-operated check valve if you need to hold a suspended weight.
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ32X50-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 mm |
| Max standard stroke | Up to 1000 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | 484 N |
| Max (@1.0 MPa) | 70 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). |
|---|---|
| 32 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×50 | 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 40-50 mm extend reach for a small gripper arm on an assembly line using the external adjuster, ensuring parts seat perfectly without reprogramming the machine.
Push light cardboard flaps into position during a sealing process, using the shorter JIS profile to fit the actuator neatly within a tight conveyor framework.
Keep one 50 mm nominal stroke cylinder as a universal replacement for 45 mm or 48 mm applications, simply backing the stop screw out to match the required travel on-site.
The 10 mm adjustable window is highly useful for sharing a single spare cylinder across multiple stroke variants or fine-tuning the final end position on-site without mechanically remounting the unit. You can mount it using FA, LB, TC, TCM1, or TCM2 brackets. For any stroke length of 300 mm or more, always use a dedicated external guide rail to prevent excessive side-loading on the 12 mm piston rod.
Quick checklist
The theoretical maximum force is 82 kgf at 1.0 MPa. It features a 12 mm rod, M10x1.25 rod thread, G1/8 port, and 20 mm adjustable cushions at both ends.
The -10 code indicates an external stop screw that shortens the extend stroke by up to 10 mm on-site. The nominal 50 mm stroke is the maximum, giving a usable extend range of 40-50 mm, while the retract end remains fixed. This mechanism only sets the end position and does not function as a load lock.
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