Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 800mm 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
- Stroke800 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder is built for long-reach tasks. The extruded 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 translates to lifting roughly 50 kg vertically with a 2:1 margin. The G1/4 port feeds the 20 mm rod for smooth 30-800 mm/s operation.
The -100 code means an external adjuster can shorten the extend stroke on-site by up to 100 mm, giving a usable range of 700-800 mm while the retract end stays fixed. You can fine-tune the end position without swapping the cylinder. This SKU has no magnet, so it cannot take a CMSE or DMSE sensor. Note that the adjustable air cushions only decelerate the piston; they do not hold the load on air loss, so fit an external rod lock or pilot-operated check valve for vertical lifts.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 800 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 JSIJ50X800-100
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×800 | 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 JSIJ50X800-100 Is Used
Long-Reach Vertical Lift
Raises 50 kg platforms through a 700-800 mm extend window. An external guide rail prevents rod bending on the 800 mm stroke.
Transfer Line Positioning
Pushes parts along a conveyor. The external adjuster lets operators fine-tune the 800 mm extend stop on-site without changing mounts.
Pallet Stopper Gate
Acts as a long-stroke stop gate. The 20.5 mm adjustable air cushions absorb the impact of fast-moving loads at the extend end.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X800-100 the Right Cylinder?
Size this 50 mm bore against the 40 mm (628 N push at 0.5 MPa) and 63 mm (1559 N) options to match your force needs. The adjustable 700-800 mm extend window is ideal when you need on-site end-position tuning or want a shared spare across stroke variants. Mounting options include FA, LB, TC, TCM1, and TCM2. Because this is an 800 mm stroke, you must support the load with external guides to prevent rod bending and side-load damage. This plain version lacks a magnet; choose the -S variant if you need CMSE/DMSE position 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 JSIJ50X800-100 FAQ
This 50 mm bore cylinder pushes 982 N and pulls 825 N at 0.5 MPa. At 0.7 MPa it pushes 1374 N and pulls 1154 N. The theoretical maximum force is 200 kgf at 1.0 MPa. It uses a G1/4 air port.
The nominal 800 mm stroke is the maximum. The external adjuster lets you shorten the extend stroke on-site by up to 100 mm, giving a usable extend range of 700-800 mm. The retract end is fixed. This mechanism sets the end position and does not lock the load.
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