Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder is built for tasks needing exact end-position tuning. A built-in piston magnet supports CMSE/DMSE sensors in the side grooves, while the hard-anodized aluminum barrel makes the body shorter and more compact than a same-bore ISO 15552 unit. It handles about 589 N of real work, which is roughly 50 kg lifted vertically with a 2:1 margin.
The external adjuster lets you shorten the extend stroke on site by up to 20 mm, giving a usable range of 580 to 600 mm without changing the cylinder itself; the retract end remains fixed. Air connects via a G1/4 port, and adjustable air cushions of 20.5 mm decelerate the piston at both ends. Note that the cushion only slows the load; you need an external rod lock or pilot-operated check valve to hold a load securely on air loss.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 600 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 JSIJ50X600-20S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×600 | 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 JSIJ50X600-20S Is Used
Transfer Line Diverter
Fine-tune the 580 to 600 mm extend position on-site to push varying carton sizes onto downstream lanes without swapping the actuator.
Vertical Pallet Lift
Lifts roughly 50 kg vertically using the 982 N push force, with the external adjuster allowing precise end-stop positioning at the top of the 600 mm stroke.
Case Packing Stopper
Uses the built-in magnet and CMSE/DMSE sensors to confirm retraction, while the 20 mm adjuster dials in the exact stopping distance for different pack heights.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X600-20S the Right Cylinder?
When sizing this unit, stepping down to a 40 mm bore yields 628 N push at 0.5 MPa, while stepping up to a 63 mm bore provides 1559 N, letting you match the load precisely. The 20 mm adjustable window is ideal for sharing one spare across several stroke variants or fine-tuning a final push position on-site. Mounting options include FA, LB, TC, TCM1, and TCM2 brackets. Because the stroke is 600 mm, always use an external guide to prevent rod bending and side-load damage. The -S suffix means the magnet is present for CMSE/DMSE switches.
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 JSIJ50X600-20S FAQ
At 0.5 MPa it provides 982 N push and 825 N pull. At 0.7 MPa it provides 1374 N push and 1154 N pull. The theoretical maximum force is 200 kgf at 1.0 MPa. The air port size is G1/4.
The nominal 600 mm stroke is the maximum. An external stop screw lets you shorten the extend stroke on-site by up to 20 mm, giving a usable extend range of 580 to 600 mm. The retract end is fixed, and this mechanism sets the end position rather than locking the load.
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