Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 80mm 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.
- BoreØ50 mm
- Stroke80 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder keeps your footprint tight. The hard-anodized aluminium barrel makes it shorter and more compact than a same-bore ISO 15552 unit. It handles a safe working load of about 589 N, which means you can vertically lift roughly 50 kg with a 2:1 safety margin.
The -10 code means an external stop screw lets you shorten the extend stroke on-site by up to 10 mm, giving a usable extend range of 70-80 mm without swapping the cylinder. The retract end remains fixed. This -S variant includes a piston magnet for CMSE/DMSE sensors in the side grooves, and the air supply connects via a G1/4 port.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 80 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).
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | 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.
Where the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S Is Used
Clamp Position Trimming
Dial in the exact 70-80 mm clamping reach on a machining fixture using the external stop screw, avoiding hard mechanical stops.
Transfer Gate Timing
Fine-tune the divert stroke on a conveyor sorting gate by up to 10 mm on-site to accommodate varying package sizes without changing cylinders.
Vertical Lift Stops
Lift 50 kg loads vertically and precisely adjust the upper end position to prevent over-travel into upper tooling.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S the Right Cylinder?
When sizing, the 63 mm bore steps up to 1559 N push at 0.5 MPa, while the 40 mm drops to 628 N, so this 50 mm sits squarely in the mid-range. The adjustable 70-80 mm extend window is ideal for fine-tuning end positions on-site or keeping one spare cylinder for multiple stroke variants. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. Because this -S model has the magnet, it accepts CMSE/DMSE switches; a no-S SKU cannot take a sensor. For any stroke over 300 mm, always use a guide rail to prevent side-load damage.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-10S FAQ
At 0.5 MPa it pushes 982 N and pulls 825 N. At 0.7 MPa it pushes 1374 N and pulls 1154 N. The theoretical maximum force is 200 kgf at 1.0 MPa. The air port is G1/4.
The 80 mm nominal stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 10 mm on-site, yielding a 70-80 mm usable range. The retract end is fixed. This mechanism sets the end position and does not lock the load; for load holding on air loss, use an external rod lock or pilot-operated check valve.
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