Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 500mm 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
- Stroke500 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder provides an on-site adjustable extend stroke of 470 to 500 mm. An external stop screw lets you trim the forward end position by up to 30 mm without swapping the actuator, while the retract end remains fixed. The extruded hard-anodized aluminium barrel keeps the total envelope shorter and more compact than a same-bore ISO 15552 unit.
It handles a safe working load of about 589 N, which translates to lifting roughly 50 kg vertically with a 2:1 margin. Pneumatically ported at G1/4 with a 20 mm rod and M18x1.5 thread, the unit runs at 30-800 mm/s. Note this specific SKU lacks a magnet, so it cannot take CMSE or DMSE sensors; adding the -S variant enables that. The adjustable cushion only decelerates the piston, so fit an external rod lock or pilot-operated check valve if you need to hold a load on air loss.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 500 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 JSIJ50X500-30
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×500 | 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 JSIJ50X500-30 Is Used
Transfer Line Diverter
Fine-tunes the 500 mm extend reach by up to 30 mm to push varying box sizes onto lateral lanes without changing the cylinder.
Vertical Lift Gate
Lifts roughly 50 kg of gate payload using the 982 N push force, with the stop screw allowing precise door closure height adjustment.
Press Pin Insertion
Dials in the exact pin seating depth on-site within the 470 to 500 mm window, avoiding costly mechanical shim changes.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X500-30 the Right Cylinder?
Size this 50 mm bore against its neighbours: a 40 mm gives 628 N push at 0.5 MPa, while a 63 mm jumps to 1559 N. The JSIJ series mounting options cover Basic, FA, LB, TC, TCM1 and TCM2. The -30 mm adjuster is ideal when you need to fine-tune a shared spare across slightly different stroke variants. Because the stroke is 500 mm, always support the load with external guides to prevent rod bending and excessive side loading. Remember this no-magnet SKU cannot accept position sensors.
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 JSIJ50X500-30 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 is 200 kgf at 1.0 MPa. The air port is G1/4, the rod is 20 mm, and the rod-end thread is M18x1.5.
The nominal 500 mm stroke is the maximum. The external stop screw lets you shorten the extend stroke on-site by up to 30 mm, giving a usable extend range of 470 to 500 mm. The retract end is fixed, and the stop sets position only, not load holding.
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