Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-30
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-30 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 JSIJ50X80-30
Generating 982 N of push force at 0.5 MPa, this 50 mm bore model brings on-site flexibility to mid-range pneumatic setups. The extruded hard-anodized aluminium profile barrel keeps the body shorter and more compact than a same-bore ISO 15552 cylinder, while the G1/4 port matches standard JIS sizing.
An external adjuster lets you shorten the extend stroke by up to 30 mm on-site, yielding a usable extend range of 50-80 mm without swapping the cylinder. It handles about 589 N of real work safely, which translates to lifting roughly 50 kg vertically with a 2:1 margin. Note this plain SKU lacks a magnet and cannot take a CMSE/DMSE sensor.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-30 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-30 |
|---|---|
| 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 JSIJ50X80-30
| 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 JSIJ50X80-30 Is Used
Stroke Tuning for Clamping
Dial in the exact 50-80 mm extend position on-site to clamp varying part thicknesses without re-engineering the fixture.
Compact Divert Gate
Fits into tight transfer lines where the shorter JIS profile saves space, using the adjuster to set the precise gate drop distance.
Shared Spare Inventory
Keep one cylinder as a universal spare for multiple 50 mm bore machines, adjusting the extend stroke down 30 mm to match specific equipment needs.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X80-30 the Right Cylinder?
When sizing this 50 mm bore, step down to a 40 mm cylinder for lighter loads (628 N push at 0.5 MPa) or up to a 63 mm bore for heavier jobs (1559 N push at 0.5 MPa). The 30 mm adjuster window is ideal for sharing one spare across multiple stroke variants or fine-tuning the end position during machine commissioning. Mounting options include FA, LB, TC, TCM1, and TCM2. For any stroke over 300 mm, always guide the load to prevent rod side-loading. Because this is a non-S SKU, it cannot accept a magnetic switch; choose the -S variant if you need CMSE/DMSE sensing.
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 JSIJ50X80-30 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 max force is 200 kgf at 1.0 MPa. It uses a G1/4 air port and a 20 mm piston rod with an M18x1.5 thread.
The 80 mm nominal stroke is the maximum. The external adjuster lets you shorten the extend stroke by up to 30 mm on-site, giving a usable extend range of 50-80 mm. The retract end is fixed. This stop sets the end position but does not hold the load; use an external rod lock or pilot-operated check valve if you need to prevent drift on air loss.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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