Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 400mm 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
- Stroke400 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder brings compact efficiency to your pneumatic setup. Its extruded hard-anodized aluminium barrel omits external rods, making the overall body shorter and more compact than a same-bore ISO 15552 unit. A G1/4 port feeds the double-acting single rod, while adjustable air cushions of 20.5 mm absorb impact at both ends.
The -10 code defines an external stop screw window that lets you shorten the extend stroke on-site by up to 10 mm, giving a usable range of 390 to 400 mm without swapping the cylinder. This on-site fine-tuning is perfect for dialing in exact end positions. In practical terms it handles about 589 N of safe working load, or roughly 50 kg lifted vertically with a 2:1 margin. Note that this specific SKU lacks a magnet and cannot take a CMSE or DMSE sensor.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10 Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 400 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 JSIJ50X400-10
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×400 | 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 JSIJ50X400-10 Is Used
Conveyor Diverter Timing
Trim the 400 mm extend stroke by up to 10 mm on-site to perfectly sync a diverter gate with varying product lengths on the line.
Carton Flap Folding
Fine-tune the end position without changing the cylinder mount to accommodate different box heights during format changeovers.
Vertical Lift Stop
Lift up to 50 kg of stock vertically while using the external adjuster to set a precise upper stop limit safely.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X400-10 the Right Cylinder?
When sizing this unit, look at the neighbouring bores: a 40 mm bore gives 628 N of push at 0.5 MPa, while a 63 mm bore steps up to 1559 N. The 50 mm bore sits right in the middle, offering 982 N push and 825 N pull at 0.5 MPa. The 10 mm adjustable window is highly useful when you need to share a spare across slight stroke variants or trim the extend end-position on the fly. JSIJ mounting options include Basic, FA, LB, TC, TCM1, and TCM2. Because the 400 mm stroke is long, always support the load with an external guide to prevent rod bending and side-load wear. If you need position feedback, select the -S variant instead, as this plain version cannot host a sensor.
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 JSIJ50X400-10 FAQ
This 50 mm bore cylinder uses a G1/4 port and a 20 mm piston rod. It generates 982 N push and 825 N pull at 0.5 MPa, 1374 N push and 1154 N pull at 0.7 MPa, with a theoretical maximum of 200 kgf at 1.0 MPa.
The nominal 400 mm stroke is the maximum length. An external stop screw lets you shorten the extend stroke by up to 10 mm on-site, yielding a usable range of 390 to 400 mm. The retract end remains fixed. This stop only sets the end position; it does not lock the load, so use a pilot-operated check valve or external rod lock if you need to hold a load on air loss.
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